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View Full Version : HOW TO: disable DRLs on a 99+ GA


HotRedGA
07-01-2003, 10:47 AM
Ok. This I know for sure works on 99-00 model GAs. But I'm pretty sure its the same for 01-03 too. This makes for an alternative for the DRL kits that are no longer in production. There is hint that a fully Plug and Play version is underway which I would recommend if you want to return to stock easily. If you are brave enough to mess with the BCM wiring there here you go.

First do not remove any relays or fuses; however, I highly recommend that you unplug your negative battery terminal.. Don't want to risk popping fuses or pooching the Body Control Module (BCM).



no drl
at the BCM, locate Connector C2 (center)

On the "B" side row of pins, locate the dark blue wire (b4)

Cut this wire, leaving as much as possible still attached to the BCM.

Now simply add on a piece of wire to the side that is still connected to the body control module. attach this wire to a good ground, like a screw in the metal part of the dashbehind the glove box or I used the interior light mounting bracket screw right there next to the BCM.

The BCM now see's this to mean that the regular headlights are on, and so it energizes the relay that turns off the DRL's.

thats it.. no more DRLs. ALC and independant fogs will be posted soon. I want to make sure I have the proper connector pins for them.

Godly 1
07-02-2003, 12:11 AM
What is a DRL?

Godly 1

CHollman82
07-02-2003, 12:47 AM
Daytime running lamps

redgoose
07-02-2003, 01:36 AM
So have tried this yet? Is there a diagram of the process anywhere?

If someone does can they take pics of the process?:)

Thanks for the info, i just don't want to be the guanna.:)

99SEDude
07-02-2003, 10:14 AM
Is it really that easy?

HotRedGA
09-09-2003, 09:35 AM
Oh my! I never received any notice that people were replying to this thread.

These instructions have been tested and work great... They are only good for 99 and 00 models though.. So far the best thing available for 2001+ cars is to tape over the Ambient light sensor on your dash and run with your running lights on.

I am in the process of working on the 01+ override but don't have a donor car to use.

I have pictures but the Acrobat file I was creating was lost due to a virus on my laptop.. I am redoing the instructions.

Nothing like replying back 2 months after the fact.. I'm sorry

ccarr8705
09-28-2003, 08:49 PM
Well I am still interested in the DRL disabling and getting my foglights to work when ever I want, not just at night.

Merlyn
09-29-2003, 03:36 AM
Originally posted by HotRedGA
These instructions have been tested and work great... They are only good for 99 and 00 models though.. So far the best thing available for 2001+ cars is to tape over the Ambient light sensor on your dash and run with your running lights on.

I am in the process of working on the 01+ override but don't have a donor car to use.

I have an '01, and will be moving to Ohio within a month or so. Maybe we could get together and figure something out?

ccarr8705
09-29-2003, 08:58 AM
Hes in youngstown. I wouldnt mind making a little trip.

AeR0
10-04-2003, 01:15 AM
so in order to do it on my 99 i need to mess around with the bcm?

no other way???

NChill4x4
10-04-2003, 01:41 AM
I'm pretty much in Youngstown too! We can experiment with the lighting!

magyver
11-01-2003, 03:45 PM
"Now simply add on a piece of wire to the side that is still connected to the body control module. attach this wire to a good ground, like a screw in the metal part of the dashbehind the glove box or I used the interior light mounting bracket screw right there next to the BCM. "

could you t-tap that and put it to ground as well so people dont have to cut wires? i belive that will work as well! and no wires cut!!!

ccarr8705
11-01-2003, 04:10 PM
Where is the BCM. I have wire and a lot of time on my hands and I hate the DRLs with my Headlight covers

magyver
11-01-2003, 05:08 PM
its on the passanger side kick panel

theres 3 9/32 screws that youll need to take out, one of which you will need a deep socket... then pull her out and boom, there it is... but before that, pull that black peg out on the right side and pull the plastic push thing out first and take out that little plastic cover first, cause a bolt is under there..

magyver
11-01-2003, 05:50 PM
i got her done, and will have picts up in about 15min so bare with me..

oh, and i got to test it too!!!1

magyver
11-01-2003, 06:09 PM
pict, this is it, after you slide the bcm towards the drivers side door all the way as far as u can then push towards the hood, and pull down on the trunk side of the modual, it should come down, pull out the center harness, then cut the dark blue b4 and splice on your other wire then take a torx driver and loosen the screw that holds your floor light fixture in and wrap it around there and your done!!!!

magyver
11-01-2003, 07:06 PM
ok so i cant test it cause its night, but the now i have automatic headlights that i dont like either, i like to roll with just my running and fogs on at dusk/dawn, so anyone know how to do that? i know where the sensor is, might have to do a resistor mod on that... ill keep ya posted

99GrandAMSE
11-01-2003, 07:08 PM
... I think the ALC sensor is in the defroster duct at the base of the windshield ... not sure a flashlight shined in there will trick it into thinking it is day out or not but you could try just to see if you modification works :)

magyver
11-01-2003, 07:26 PM
Originally posted by 99grandamse
... I think the ALC sensor is in the defroster duct at the base of the windshield ... not sure a flashlight shined in there will trick it into thinking it is day out or not but you could try just to see if you modification works :)

i put some black tape over that when i first got the car, and cant for the life of me think why i did it, lol

TimG
11-01-2003, 11:02 PM
Would black tape over that work in a 98? Cause I love drivin my black car down a road, and then turning off the lights, and dissapear completely. Well, I've never accually done that, since my headlights are always on at night, but I would love to. So, would black tape work? And where is the sensor? A pic maybe?

magyver
11-01-2003, 11:22 PM
Originally posted by sickness
Would black tape over that work in a 98? Cause I love drivin my black car down a road, and then turning off the lights, and dissapear completely. Well, I've never accually done that, since my headlights are always on at night, but I would love to. So, would black tape work? And where is the sensor? A pic maybe?

dude, all u got to do is pull up your ebrake one click and you lose your headlights!!!!!!

but im sure your sensor is in the same spot as mine and tape dosent do the trick, you have to take the sensor out and it has two wires going back to the ecm, take those wires and splice em together with each other and boom, no more automatic headlights..

but pulling your ebrake one click kills drls and automatic, and i know your gonna say i dont want to drive with it up, but dude, it dosent matter, its not on till your 3 or 4 clicksup... otherwise, you can take the blue wire thats under your center consolein the back and cut it and wire it to a ground somewhere, thats what i did in my 97! but u get a "brake" light, but i got used to it... it has no purpose other than to let you know your brake is up, dosent tell you if you have a brake problem... no sensors for that..

ccarr8705
11-02-2003, 08:55 AM
You cant fully diminish your Headlights at night with the ebrake. We tried that one with the ebrake up one because we were going to saran and TP this kids car and the lights turned back on after like a mile but not the regs i think they were the DRLs.

magyver
11-02-2003, 10:46 AM
Originally posted by ccarr8705
You cant fully diminish your Headlights at night with the ebrake. We tried that one with the ebrake up one because we were going to saran and TP this kids car and the lights turned back on after like a mile but not the regs i think they were the DRLs.

that worked fin on my 97, did it for two years ! and it works fine on my buddys 98 , did it for him a year ago and it still works...

Aaron
11-02-2003, 02:21 PM
from grandamgt.com:

ALC bypass
at connector C2 find A3 the yellow/black wire, and B2 light green/black wire.. be careful because there are two light green/black wires on that connector.. the one you want is closest to the yellow/black wire.

cut these wires again leaving as much wire as possible attached to the BCM.. simply tie the two wires together and tape them up real good. (this is the same thing as removing ambient light sensor and adding a jumper wire)

The BCM will now think that it is daylight all the time and it will not energize the relay to turn on the headlights.

independant fogs instructions are available just PM me. Most people have been concerned about DRL and ALC bypasses..

-----

the rest of the thread: http://www.grandamgt.com/forum/showthread.php?s=&threadid=17559

I did this on my old GA and it worked fine. Good luck.

Vince
11-02-2003, 07:25 PM
I did both the DRL and the ALC bypass, and I have complete control of my lights. My car is black and I have the dark headlight covers on, it looked cool when the lights were off, but sucked when the lights were on during the day. Now I don't have to worry about it. Took me about 45 minutes to do both.

TimG
11-02-2003, 07:57 PM
Awesome. I lifted up my e-break a little and my lights went right off. Too bad I can't flip a switch or something, disableing them whenever I want. Anyone know how something like that could be done?

Aaron
11-02-2003, 08:33 PM
The ALC bypass will allow you to do it at night, the DRL bypass for during the day.

ccarr8705
11-02-2003, 10:20 PM
hmm so maybe if I use the BCM to get the ALC bypass I can put my MicroRelays back in the fuse box. Because I totally F'ed up my light sensor and cut the hell outta my hand.

http://www.gaownersclub.com/forum/showthread.php?s=&threadid=16115

And the BCM is that the side closest to the wiring harness or what? Because for my DRLs I just stripped part of the dark blue wire and grounded it. Its still attached to the wiring harness.

Aaron
11-03-2003, 07:53 AM
The BCM is under the glovebox on the passenger side I'll take some pictures later today.

There are three harnesses that plug into the BCM. The instructions tell you what ones to use.

You have to take out I think 3 7mm bolts and a couple of plastic retainer clips to get at the the little bastard, it's really tricky your first time.

edit: yeah you can put in the relays again, after this mod is done, and your SVS light should go off also :)

ccarr8705
11-03-2003, 08:58 AM
Thank god. I know what your talking about with the wiring harnesses but I only see two. There is a harness with like 6 wires and one with 2. The one with six is the one that I took to dark blue wire and t-tapped it and grounded it. Is this the same wiring harness that I will use for the ALC?

Aaron
11-03-2003, 09:31 AM
I don't think you're at the BCM though, where did you find it? The wiring harnesses should plug into a box about the same size as a cable modem router.

ccarr8705
11-03-2003, 02:14 PM
Im at something else. . Is the BCM that black box type thing. Because That opened up and I found my computer chip. Some pictures would be good for what to ground. FOr now I am going back outside to unground the (my guess) HVAC Motor.

ccarr8705
11-03-2003, 03:23 PM
ONce again new dilemma nothing horribly bad. I grounded my Dark Blue wire. I dont know where you got the letters (b4) for the wire because I couldnt find numbers and stuff, but i took the dark blue wire from the harness in the middle and stripped it (i didnt cut it) I just stripped a section away and added a wire and grounded it. But the problem is when the copper of the wire I used to ground touches metal, it sparks?

Also when I grounded it and put the -terminal back in the DRLs are on no matter where the key is. The key doesnt even have to be in the car and they are on so I ungrounded it and dont know what to do.

and also how would I do the wires for the ALC bypass, just clip both of them and tie them together?

I hope i dont F anything up in the process nothing seems Fd up so Im alright.

Vince
11-03-2003, 04:58 PM
I did the same thing, the problem is you didn't ground the right wire. You grounded the wire that's not attached to the bcm connector. You have to cut the wire, and ground the wire that comes OUT OF THE BCM CONNECTOR, and not the other wire. I grounded the other wire and had the same problem, lights on all the time. I just covered the other wire with black tape and left it alone. Oh, and the number and letters are there, you just need like a microscope to see them. The top row of the conncector is A...1 thru 8 or something, and bottom is B...1 thru 8 or something. I disconncted my battery before I did this. I unplugged the middle connector, and on the ends, you can BARELY see the lettering and number. Clean the dust off, maybe you'll see it.

Vince
11-03-2003, 05:17 PM
Oh, forgot about the ARL's, but yeah, clip both of them and TIE THE ONES ON THE HARNESS TOGETHER, not the other ones. I just taped the other ones up. I suggest you cut the wires like 2 or more inches from the harnes if you can. The more the better.

99GrandAMSE
11-03-2003, 05:53 PM
... I'll just stick with my DRL Kit :D

ccarr8705
11-03-2003, 10:15 PM
This helps a hell of a lot thanks. I will finish this BS up tomorrow and post my results.

99GrandAMSE
11-04-2003, 10:03 AM
Originally posted by ccarr8705
This helps a hell of a lot thanks. I will finish this BS up tomorrow and post my results.

Sorry I couldn't help bud ... I guess that I should of kept my comment to myself :( but I stand by what I said (I could have done this, in fact, with the help of my schematic I figured this out a long time ago with regards to knowing what to do but I just felt a 'Kit' was a better way to do it :D)

Artic
11-04-2003, 11:13 AM
I think the no cut spice in kit iceman was talking about is the best way to go

Vince
11-04-2003, 01:44 PM
I'm all for plug and play operations, but personally, I am not spending 100 bucks to do this simple operation, when I could just undo it in 15 to 30 minutes. I think 100 bucks is way to much, but that's just my opinion. I guess cause I've already cut and spliced and all, and realized it's really easy if you it right. It's like taking your car to have the air filter changed for like 20 bucks, when you could just buy one for like 6 bucks, lift the filter cover, and put it in yourself. Well, that's just my 2 cents.

ccarr8705
11-04-2003, 02:36 PM
Well everything is done and right on my car. If you want to know what my probs were then go to
http://www.gaownersclub.com/forum/showthread.php?s=&threadid=16156

and Vince is right it is better to save 100 bucks and I always like knowing that i did the job myself.

99GrandAMSE
11-04-2003, 06:12 PM
... that is assuming I actually paid $100 for the kit :wink4: ... anyway, I was disrespecting this method of removing the lights fellas when in fact (like I said) I was gonna do this quite some time ago but to me, I prefer the 'kit' ... that's all :D

Here's a thought for you guys, why didn't you connect this up in conjunction with switches so you could turn it ON or OFF simply by the flick of a switch? Just a thought for you :)

magyver
11-04-2003, 07:06 PM
i already posted these picts somewhere, but here they are


shows the blue b4 of c2 cut and wired from the bcm to the floor dome light torx screw...

http://www.gaownersclub.com/forum/showthread.php?threadid=9639

ccarr8705
11-04-2003, 08:26 PM
lol you posted a post for the same thread. hahahahahaha

GTPprix
11-08-2003, 03:21 PM
Or.. You can forget any cutting splicing or other general hacking of your car and program it out of the BCM hehe

99GrandAMSE
11-08-2003, 08:07 PM
Originally posted by GTPprix
Or.. You can forget any cutting splicing or other general hacking of your car and program it out of the BCM hehe

... if you knew a dealer with the right equipment, sure :)

99GrandAMSE
11-09-2003, 03:07 PM
Originally posted by GTPprix
Or.. You can forget any cutting splicing or other general hacking of your car and program it out of the BCM hehe

Welcome to our site BTW :wave:

GTPprix
11-09-2003, 03:09 PM
Hey thanks :) Funny thing about dealers, the procedure they get for removing them is cutting and splicing as well, which is pretty funny actually, we have damn near the same procedures listed here! :)

99GrandAMSE
11-09-2003, 03:13 PM
Originally posted by GTPprix
Hey thanks :) Funny thing about dealers, the procedure they get for removing them is cutting and splicing as well, which is pretty funny actually, we have damn near the same procedures listed here! :)

Yeah ... I was told that but if my local dealer would actually get a TechIII ... it would make things easier (according to what the Shop Foreman told me); however, they are pretty pricey :( ... I have a DRL Kit though and MAY install it in the spring, who knows :)

GTPprix
11-09-2003, 03:16 PM
Yuppers, scary thing about the Tech II is when it comes to GA BCM's teh DRL/Auto Headlights are something that it still can't permanantly circumvent :( So your not missing too much, if you ever get out to my neck of the woods, let me know I'll take care of it for ya :)

99GrandAMSE
11-09-2003, 03:29 PM
Originally posted by GTPprix
Yuppers, scary thing about the Tech II is when it comes to GA BCM's teh DRL/Auto Headlights are something that it still can't permanantly circumvent :( So your not missing too much, if you ever get out to my neck of the woods, let me know I'll take care of it for ya :)

Considering travelling to Michigan to visit with Adam ;) :D

GTPprix
11-09-2003, 03:30 PM
Just lemme know when :)

99GrandAMSE
11-09-2003, 03:33 PM
Originally posted by GTPprix
Just lemme know when :)

Will do ... you should consider coming to the next gathering in Albany :)

HotRedGA
11-15-2003, 10:33 AM
I'm so sorry everyone.. I haven't been getting any email notifications about this thread and I haven't been on the boards in a good while... I think I got the notification problem worked out.. if anyone has questions or anyone is in the ytown region and would like some help with their DRLs feel free to let me know... also you can find me on AOL IM and Yahoo Messenger...
AOL=HotRedGA
Y!=armith1

:cool:

HotRedGA
11-15-2003, 10:43 AM
Originally posted by 99grandamse

Here's a thought for you guys, why didn't you connect this up in conjunction with switches so you could turn it ON or OFF simply by the flick of a switch? Just a thought for you :)

I have posted a diagram for integrating a switch to go between override and factory.. I don't think I have posted the info on here yet though.. I'll find the info and post it.

HotRedGA
02-16-2004, 12:29 PM
wow this has been a quiet thread.. I guess that everyone got ahold of a tech III or gave up.

I have info on 01-03 GAs if anyone is interested.

Peace

sunrunner_pei
02-16-2004, 12:44 PM
Originally posted by HotRedGA
wow this has been a quiet thread.. I guess that everyone got ahold of a tech III or gave up.

I have info on 01-03 GAs if anyone is interested.

Peace

I'm interested!

Merlyn
02-16-2004, 02:05 PM
I am interested!!

snarkee
02-16-2004, 02:51 PM
i have a 03 gt and i pulled the #22 relay today and my DRL's are off...and no SVS lights

99GrandAMSE
02-16-2004, 06:22 PM
Originally posted by snarkee
i have a 03 gt and i pulled the #22 relay today and my DRL's are off...and no SVS lights

... that is what I thought I read someplace that in '03 you could simply pull the relay :shrug:

JJHargus
02-18-2004, 07:17 PM
You know i am thinking that it wouldnt be that hard to make a plug and play kit for this process.. I think i will try and find out if i can get a male and female plug like the one on the BCM.. Maybe i get lucky and find some.... Make some for club members....

HotRedGA
02-18-2004, 08:02 PM
There is a couple of people who have already designed a PnP kit but I don't think it is ready for sale yet..

azeniskid
02-19-2004, 12:39 AM
I just had a guy named Chris White reflash my bcm to knock out my DRL's

99GrandAMSE
02-19-2004, 08:26 AM
... problem is in Canada (or atleast Nova Scotia) your car will not pass safety inspection unless the DRLs are functioning so what it done will have to be instantly reversable by the means of a switch or similar :(

azeniskid
02-19-2004, 03:13 PM
*puts neck to inspectors & shakes vigorously*

RocketFast321
02-29-2004, 09:01 PM
I would like to say my car has no DRL or ALC :) Now i just want to pop a switch in there so i can switch between mods

phatG-A
03-13-2004, 03:48 PM
so basiclly i can take my car to a gm dealership and have them flash my bcm with a tech III , to remove my drl's? anyone know about how much this would cost?

HotRedGA
03-13-2004, 06:48 PM
It probably wouldn't cost you much if anything.. Mainly because apparently Tech IIIs aren't easily available. Also, supposedly by law GM dealerships are not allowed to modify "safety" features of a vehicle unless the car is for recall, fleet, or emergency vehicle use.. Now obviously there are people who have "friends" and what not.. As far as I have read, technically a Tech III reprogram should disable the DRLs.

Let me know how things work out. Oh yeah and stay away from Canada.. DRLs are required by law for all vehicles from like 1989 and up.

phatG-A
03-13-2004, 07:11 PM
aight i'll check with the local dealership on monday and see what they say. btw did you have specific instructions on how to disable them for 2001+? any pics?

RocketFast321
03-13-2004, 09:39 PM
DRL disable on a 2001 (should work on a 2002 also):

1.) I should not have to say this but first disconnect the negitive terminal of the batt. (cheap insurance).

2.) Remove the middle connector as stated before in the previous posts. Now locate the brown wire (pin 8 on the bottom). This is the pin that tells the BCM that the lights shwitch in not in the auto setting. Cut this wire, leaving enough room to extend it to the relay.

3.)The relay: Get a standard 4 or 5 pin 12V relay. Here is how the pins need to be wired. Pin 30-->go to the brown wire that you cut (on the BCM side), Pin 87-->12V (constant), Pin 86--> ground, Pin 85-->12V (switched when key is on), Pin 87a-->no connect.
NOTE: the 12V constant to Pin 87 could also be switched I do not think that it matters.

4.)Once the relay is connected I used some double sided tape and stuck it next to the fuse box out of the way. Now you need to cut the dark blue wire and ground it just like the 99-00.

5.)reconnect your BCM and your battery and test the system. Every thing worked fine for me no SVS and no DRLs.

magyver
03-13-2004, 11:43 PM
all that for drl's? all i did was take b4 of c2 of the bcm (dark blue wire) and cut it and put it to a ground... done, took me literly 5 min and 0 supplies except for my screw driver and a wire cutter, not drl's or svs lights, also have no automatic lights.... that took 10 min.. but easy as well

GMTUNER
03-13-2004, 11:57 PM
someone help us 2002 guys :) :) :)

HotRedGA
03-14-2004, 08:52 AM
They above directions should work for the 01 should work for the 02s.. 99-00 cars are easier to do than 01-02.. and 03-04 are even easier still.. Just pop out the DRL relay located under the hood..

RocketFast321
03-14-2004, 02:40 PM
No Auto lights for 01-04
The two wires that connect the light sensor to the BCM, just tie them together with a 10 Ohm resistor in-line A3 the yellow/black wire, and B2 light green/black wire

all of this is on the center connector

http://www.gaownersclub.com/forum/attachment.php?postid=265537

phatG-A
03-15-2004, 11:05 AM
so all you have to do is just splice those two wires together with a 10 ohm resistor? and does anyone have a pic of where the bcm is?

HotRedGA
03-16-2004, 05:07 PM
the BCM is on the passenger side underneath the glove box.. if you take out the dash panel under the dash you will see a black box about the size of a CD jewel case with 3 connectors.

03MetGrnGT
03-16-2004, 05:24 PM
Oh shit, HotRed, ur from YTown?? Someone who's close!!! wow!!, if ur still lookin for a newer donor car, I've got an 03 that u might have even seen driving around considering I go to YSU and drive around 224 all the time...

HotRedGA
03-16-2004, 05:32 PM
sure.. snow breaks we could get together and I could do whatever you need done.

I probably have seen your car around as you may have seen mine.. Not like GAs aren't dime a dozen around here..lol

03MetGrnGT
03-16-2004, 07:51 PM
lol, how tru, yeah and how bout this snow!! like 8 Inches overnight!! I was out playing basketball in a hoody yesterday and shoveling 8 inches of snow out of my driveway today!! Only in Ohio....

JJHargus
03-16-2004, 08:35 PM
or Michigan :P

03xGAxSE
03-18-2004, 09:03 AM
or colorado...

i just did the ALC override on a switch in the glove box it works well... i bought the stuff to do it awhile ago (when grandamGT.com was talking about it) but just now got to doing it..

AeR0
12-21-2004, 04:11 PM
anyone in ontario near toronto done this with a 99 GA id like to do it but have someone help me so if there is anyone out there let me know via pm thanks

AeR0
03-18-2005, 02:04 PM
guess there is no help near toronto ontario!

lol
:lol:

RocketFast321
03-18-2005, 03:11 PM
take your time and u can do it. I did it to my car :)

AeR0
03-18-2005, 03:34 PM
maybe a near future plan..

gotta get the car running first and get some little things done to it!

Cacicgt7
04-21-2005, 11:01 PM
macgyver, where did you pick up that extra blue wire to put onto the dark blue wire to ground it? Also how do you get to the BCM again? I saw your pic and i couldn't figure out what you were using and where you got it from?

RocketFast321
04-22-2005, 01:26 AM
It's on the pass side. Take out the glove compartment, and the panel under the dash. The panel under the dash is held into place with speed clips.

GAGTRA
04-28-2005, 11:32 PM
wow that all seems complicated ive got an '04 Ga i simply took out the DRL fuse from the fuse box under neath the hood it cut out the DRLs and all my other lights work just fine even my autos...did i do something wrong or is my car just different?

RocketFast321
04-29-2005, 01:38 AM
With most of the 03+ all you have to do is pull the DRL relay. 01-02 has a tad bit different wiring system

bodywerx
05-09-2005, 02:14 PM
Does anyone know how to diable the lights in a 97 SE?

RocketFast321
05-09-2005, 07:28 PM
nope :(

b2089
06-23-2005, 03:01 AM
Originally posted by bodywerx
Does anyone know how to diable the lights in a 97 SE?

In your car just leave the emergency brake handle up one click. It's not far enough to activate the brakes so it's fine. That disables the DRLs and automatic headlights in the older generation like yours.

Tommy00GT1
08-10-2005, 04:50 PM
I disabled the drl's, and the ALC too. I also did mine like the guy who answered this thread... I put an on/off switch inside my glove box. This way I can turn on the drl's if I ever want/need to; with a simple flip of a switch. Was a little planning and extra work, but I like the idea of that on/off slide switch.
I'll tell 'ya; that damn BCM is a little bugger to slide out!!!

The disabling of the ALC was a bit easier. For me, I found the best way to get to that BCM was from removing the glove box; and then work from the opening where the glove box just came out of.
I have a 2000 GT1, and both mods worked flawless for me. It is so much better to finally have complete control of the running lights; headlights; and fogs. Man, was it ever maddening to drive through a shady area and have the ALC turn the headlights on, thinking dusk/darkness was coming. Ridiculous.....

Take care everyone...

Tommy

sly fox
01-27-2006, 01:27 PM
I have a 2003 Grand Am and i tried to disable the Alc by cutting and splicing the wires together and they stopped coming on but it threw a service vechicle light, and when i grounded the dark blue wire for the Drls it would spark and the headlights would come on and it threw the svs. So i'm wondering get some better directions on how to disable the lights without throwing a svs.

RocketFast321
01-27-2006, 02:13 PM
DRL disable on a 2001-2002

1.) I should not have to say this but first disconnect the negitive terminal of the batt. (cheap insurance).

2.) Remove the middle connector as stated before in the previous posts. Now locate the brown wire (pin 8 on the bottom). This is the pin that tells the BCM that the lights shwitch in not in the auto setting. Cut this wire, leaving enough room to extend it to the relay.

3.)The relay: Get a standard 4 or 5 pin 12V relay. Here is how the pins need to be wired. Pin 30-->go to the brown wire that you cut (on the BCM side), Pin 87-->12V (constant), Pin 86--> ground, Pin 85-->12V (switched when key is on), Pin 87a-->no connect.
NOTE: the 12V constant to Pin 87 could also be switched I do not think that it matters.

4.)Once the relay is connected I used some double sided tape and stuck it next to the fuse box out of the way. Now you need to cut the dark blue wire and ground it just like the 99-00.

5.)reconnect your BCM and your battery and test the system. Every thing worked fine for me no SVS and no DRLs.
__________________________________________________
No Auto lights for 01-04
The two wires that connect the light sensor to the BCM, just tie them together with a 10 Ohm resistor in-line A3 the yellow/black wire, and B2 light green/black wire

all of this is on the center connector
http://www.gaownersclub.com/forum/attachment.php?postid=265537

headbuster1221
03-25-2006, 09:23 AM
anyone know how to disable the automatic lights that come on at night time???

RedGrandAm2003
03-25-2006, 10:38 AM
http://www.gaownersclub.com/forum/showthread.php?s=&threadid=56675

go there and read that

carsgndamluvr
06-10-2006, 06:19 AM
The Auto lights sensor is in the far left center of the fron defroster grille best seen from looking through the windshield. It's a little black round thing. I originally had painted cardboard to fit over it for parking lights until I tried the BCM wire thing yesterday and good news...IT WORKS ON 2001's!!!.....

carsgndamluvr
06-10-2006, 06:24 AM
I have pic of the BCM in my 2001 but I don't know how to get the pics smaller beings it's over the limited...if you wants pics hit me up at com_29@hotmail.com. Getting the panels off under there are the same as mentioned with the difference being one less screw. Once the panels and glovebox are off its right there with 3 pigtails coming out of it to the right. In fact all you really need in 2001's is the glovebox out. I tried just tapping into a ground but that's a bad idea!!! (gets the wire hot) so like it's said to do, cut and splice a wire onto the cut one from the BCM and simply ground it to the easiest spot you can find (may need a lot of wire) and you're down besides reconnecting the battery!

carsgndamluvr
06-11-2006, 07:35 AM
I did the DRL disable the other day on my 2001 SE1 and its just like he said, two 7mm bolts the plastic pin like thing and there it is. ALTHOUGH on my year, all you need is to remove the g-box and its right there with 3 pigtails...again is the middle pigtail the darker green wire of the two in that pigtail. Simply cut, DO NOT tap into w/o cutting (wire will overheat) and attach a new wire to the green one you just cut and ground, then reattach batt. THATS it! so simple! I personally like the auto headlights, cuz then i just switch them to parkings and kill lights when it's light enough. I have pics but cant upload them. Lemme know if you want pics.

NaxGAGT
10-16-2006, 06:04 PM
Damn. i wish I could've read this tread before. Is there anyway to get the driver's side ligth back to normal?

Yes, hi I'm new around here.
:D

pyro
10-16-2006, 07:10 PM
Originally posted by NaxGAGT
Damn. i wish I could've read this tread before. Is there anyway to get the driver's side ligth back to normal?

Yes, hi I'm new around here.
:D
what?

NaxGAGT
10-16-2006, 09:26 PM
Sorry, I shoulda been more specific

Since you pull the relays is you driver side light brighter than your pass light?

My passanger light is brighter than my drivers side. How can I get the light back to normal (driver's side) , besides taking it to the dealer?

GaSe05
11-06-2006, 04:09 PM
I have an o5 se and i hate my drl but be fore i do any thing wher should i start cus my car seems a litte diff from the rest like i tryed the e brake thing but mine chimes as soon as my ebrake is up and its the worse sound ever. so before i cut any thing wher should i start. oh and i looked for the sencer in the dash i am haveing troble finding mine if i have one.

GaSe05
12-05-2006, 11:32 PM
yes i above is true ...........peoples told me i need a drl kit next day i reasked after buying a drl kit and they said 22 realy and it kills the drls it works........so 03 plues u dont need a drl kit.......but if any one is looking for one its siting at my houes

ga5speed02
12-30-2006, 04:58 PM
ok i like to think of myself as mechanicly inclined, spelling and typing inclined NO WAY. anyhoo i got to do this mod on my 01 GT and i found the dark blue wire and grounded it. guess what happended. the DRL were off but my headlights came on. no marker or amber lights no tail but headlights. WTF. do i also have to cut that pin on the relay or do i have to add a relay to that brwon wire. please any help or ideas??????????

ga5speed02
12-30-2006, 05:00 PM
btw i didnt cut the blue wire, i 't-tapped' it. do i HAVE to cut it???

ga5speed02
12-30-2006, 05:54 PM
up date, i cut it and gnd it and no more DRL :)

jcasemore
12-30-2006, 05:55 PM
EDIT: You beat me.

Yes, you HAVE to cut it between your T-tap and the lights. You must ground only the BCM side.

The reason for this is because when you ground the wire on the BCM you are tricking it into thinking you have the low beams on manually so it turns off the DRL. If you ground the other side you are providing a ground path for the lowbeams and are turning them on.

ga5speed02
12-30-2006, 07:24 PM
ok sweet thanks. i cut the wire and gnd the BCm side. i capped off the other other end and no mroe DRL :)

boostrider1515
02-13-2008, 06:12 PM
hey I did this and now my svs light is on which means something is wrong with drl or alc but I know I did it right bc the drls are no more. so how can I get the light off the manual says to call pontiac but I know there has to be another way of doing it. thanks guys

JustinBTE
06-06-2008, 05:53 PM
hey i just removed my relay for the drl's and mine are now off but my svs light is also on...anyway to go around that or just deal with the light staying on while i dont have the relay in there?
Also is this the bad way of removing the drl's? i see no one has brought it up on here

jcasemore
06-06-2008, 06:27 PM
hey i just removed my relay for the drl's and mine are now off but my svs light is also on...anyway to go around that or just deal with the light staying on while i dont have the relay in there?
Also is this the bad way of removing the drl's? i see no one has brought it up on here

Now go out to your car and turn the normal headlights on with the switch. You should see one light brighter than the other one.

JustinBTE
06-06-2008, 08:03 PM
as in one headlight brighter than the other?

jcasemore
06-06-2008, 11:57 PM
as in one headlight brighter than the other?

Yup, everyone that I have heard that have removed that relay have complained about one light brighter than the other.

JustinBTE
06-07-2008, 12:45 AM
yep i see what you mean...i just went out and started the car and the driver side was a lot more dim than the passenger side. I ended up putting the relay back in.

jcasemore
06-07-2008, 07:43 AM
If you want to do it properly, follow the steps listed in this thread which include cutting and grounding the dark blue wire on the BCM.