Bypass automatic light contol - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 10-22-2002, 11:18 PM   #11
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My mom had the '93 Bonnie and even in drive you could turn the switch off so you can just drive with the parkinglights/foglights on. So I was wondering if it would be possible to swtich out just the switches or does it have something to do with the wiring itself. Has anybody triedthough of this yet or no.
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Old 10-23-2002, 01:22 PM   #12
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My '97 has DRL and I can't do it.
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Old 10-23-2002, 05:57 PM   #13
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It CAN be done... I"ve done it on mine. It is really simple actually.. instead of attacking the hot wire ( positive ).. I just spliced a 10 gauge wire from the ground of both headlights ( onto just one ground wire ) run that into the cabin and the switch.. and have the other end grounded onto the chassis of the car. Everytime I flick the switch.. my headlights goes dead.. the driver information then chimes stating there'* problems with my front headlights.. but that'* ok.. it kinda reminds me ( when on hippie pills ) to simply re arm it.. there fore the ground is there and the light goes back to normal and the error on the driver information dissappears...
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Old 10-23-2002, 09:19 PM   #14
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I wanted to turn the lights off too , cause you never know when you need to not be seen at night but I HATE splicing factory wiring so I just left them alone!
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Old 10-24-2002, 03:08 AM   #15
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Yeah, thats ok. Thanks
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Old 11-07-2002, 11:39 AM   #16
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So has anybody tried to take the control switch from the 92-95 and placing it in other years. Anybody have the part numbers to see if it is the same, or have a repair manual to checck the wiring diagrmas to see if it is just the switch or an actual relay or something that controls the lights. I really want to stay away from tapping into the factory wiring and installing a switch.
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Old 12-23-2002, 12:51 PM   #17
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Could anybody compare the wiring diagrams in the years where the twilight switch can turn of the headlights while in drive to the years where it cant be done. I dont have the service manuals. Maybe we would be able to find out why it does it some years and others years it wont.
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Old 04-01-2003, 12:19 AM   #18
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Would this work?
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Old 04-01-2003, 05:48 PM   #19
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Cool diagrams....PowerPoint??
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Old 04-01-2003, 07:14 PM   #20
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Quote:
Originally Posted by con10der
Cool diagrams....PowerPoint??
Dunno, but the photoresistor in the _center_ of the dash (as indicated by the blue square in the diagram above) is the sunlight intensity sensor for the HVAC, not the Twilight Sentinel. The light sensor for the Twilight Sentinel is the little button-like thing on the driver'* end of the dash near the VIN plate.

To be sure, just cover each, one at a time, and see which one turns on your lights after 10-15 seconds.
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