I wish I could disable the automatic headlights - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-12-2005, 06:09 PM   #11
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yeah that'* another thing, if the door is open we can not turn off the dome.
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Old 12-12-2005, 06:25 PM   #12
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ok guys, this HL must be on out of park can be overridden pretty easy. (I only looked for an SE, because that is what I have, the lamp monitoring systems could throw a curve into this)

When in park you complete a circuit to the lamp control module.

if you make a "bypass" of that switch and put your bypass on a switch you could trick the car into thinking you are still in park. CAUTION needs to be taken, as the shift interlock use'* this wire also. so you MUST consider that when doing this, remember electricity travels in all directions. Which means that you can tap into the wire and bypass the park switch, butyou need to run a diode so that the shift interlock(and functions that go with it) are not impacted.

edi: oh, and I am NOT responsible if you mess something up, I am jsut interpreting what I see in my 96 FSM.
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Old 12-12-2005, 07:51 PM   #13
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Wait a minute, I thought the auto headlights came on when the ignition switch is "on" (light sensor determines that it is night time) regardless of the gear selector. The DRL'* come on when gear selector is taken out of park (light sensor determines that it is day light) If you're driving into dusk with the DRL'* on and the light sensor determines it'* dark, then it will cancel DRL operation & turn on headlights automaticly, right. Isn't this how it works, guys? At night when you drive the car into the drive way, place it in "Park", the headlights stay on, shut off ignition, lights go off after time delay if you're using the twilight sentinel. If twilight sentinel is turned off, then the lights will go out immediately upon turning the ignition off.
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Old 12-12-2005, 07:58 PM   #14
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Oh yeah, some one with the 99 FSM needs to look at a lighting schematic very closely. I'm sure there could be a way to disable the auto headlight feature by snipping a wire, or relay removal or something to that effect, then just use the stalk to control lights manually as required.
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Old 12-12-2005, 07:58 PM   #15
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Quote:
Originally Posted by markwb
Oh yeah, some one with the 96-99 FSM needs to look at a lighting schematic very closely. I'm sure there could be a way to disable the auto headlight feature by snipping a wire, or relay removal or something to that effect, then just use the stalk to control lights manually as required.
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Old 12-12-2005, 08:01 PM   #16
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Being a Canadian car, I have the daytime running lights... I'm just quoting my dad, but there'* some sort of lamp/DRL/auto-on headlight control module that seemed to be shorting out, causing it to overheat - I believe the twilight sentinel switch area got very very hot when the lights were on for an extended period of time.


Removed that, lost DRL'*, lost auto-on headlights, but the problem was solved.





*shrug*
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Old 12-12-2005, 08:03 PM   #17
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Quote:
Originally Posted by markwb
Quote:
Originally Posted by markwb
Oh yeah, some one with the 96-99 FSM needs to look at a lighting schematic very closely. I'm sure there could be a way to disable the auto headlight feature by snipping a wire, or relay removal or something to that effect, then just use the stalk to control lights manually as required.
Not quite sure what went wrong with this post. I was trying to do a quick edit.
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Old 12-12-2005, 08:30 PM   #18
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Why would you want to get rid of them? They're awesome. I haven't even touched my light switch for over a year and half, getting close to two. They're super convinent, they turn on in rain, snow and night. That way you don't forget to turn them on or when you're finished driving, they turn off automatically and no more DEAD BATTERY! I like that feature.
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Old 12-12-2005, 08:34 PM   #19
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Quote:
Originally Posted by fuelforthesoul1999
Why would you want to get rid of them? They're awesome. I haven't even touched my light switch for over a year and half, getting close to two. They're super convinent, they turn on in rain, snow and night. That way you don't forget to turn them on or when you're finished driving, they turn off automatically and no more DEAD BATTERY! I like that feature.
I don't want to get rid of it completely, I just want have some sort of over-ride to disable it when the situation calls for stealth
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Old 12-12-2005, 08:37 PM   #20
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Why would you need steatlh for? You know what? Do Not Anwer that question, I don't wanna know just in case it'* illegal or something bad.
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