C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

door courtesy light switch

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Old Mar 24, 2009 | 09:03 PM
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Default door courtesy light switch

My interior lights are staying on, i know this usually means the door switch is bad, how do i check the door switch to know if i that is the true cause of the problem? The lights where working correctly before the winter where the door panels where taken out, could something have grounded the wires while reinstalling the door panels to cause this?
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Old Mar 24, 2009 | 11:30 PM
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It could be your timer relay. Does the door ajar light come on? Click this: http://forums.corvetteforum.com/c4-t...light=courtesy

Last edited by Kool88vette; Mar 24, 2009 at 11:34 PM.
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Old Mar 25, 2009 | 03:38 AM
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When I had a door switch that wasn't being depressed enough I opened the door and pressed in the switch for 30sec of so to see if the lights would go off.
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Old Mar 25, 2009 | 09:26 AM
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Is your security alarm falsely going off after the doors are closed and the arming circuit closes?

That's how I determined my passenger side door ajar switch was bad. I replaced both sides, though, since I figured if one switch had gone bad, the other side couldn't be too far behind....
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Old Mar 25, 2009 | 10:03 AM
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I wont be able to look at the car until this weekend, could you give me some ideas as to what it might be with different lights on or off so i know what to look for when i go out there. ie: door ajar light on/off, security light on/off
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Old Mar 25, 2009 | 10:46 AM
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If you hear a characteristic click, click, click, click from the passenger or driver side door panel followed by your interior lights flashing on and off when climbing an incline, reversing off an incline, cornering, or other maneuvers that flex the chassis, you know for SURE you've got a bad door ajar switch.

It's really easy to tell at night.
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Old Mar 25, 2009 | 11:03 AM
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You had the door panels removed.
Did you perhaps replace weatherstrips on the doors, you might wanna take a look at the switches, and particularly the small pins in them.
If you take a small putty knife and lurk them out a little bit, they are some kind of adjuster for the actual switch.
They push in again when you close the door, if they have been pushed in all the way before, and you have replaced something, then the actual switch might not go in all the way now.
Ah, you´ll see it when you open the door and take a look at it.
Just pull out the small pin about 4 millimeters.
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Old Mar 25, 2009 | 11:35 AM
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Originally Posted by vette079
You had the door panels removed.
Did you perhaps replace weatherstrips on the doors, you might wanna take a look at the switches, and particularly the small pins in them.
If you take a small putty knife and lurk them out a little bit, they are some kind of adjuster for the actual switch.
They push in again when you close the door, if they have been pushed in all the way before, and you have replaced something, then the actual switch might not go in all the way now.
Ah, you´ll see it when you open the door and take a look at it.
Just pull out the small pin about 4 millimeters.
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Old Mar 25, 2009 | 11:44 PM
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Just wanted everyone to know; pulling the fuse will not solve the problem. I realized today that the radio, courtesy lights and climate control are on the same fuse. My radio worked because it is an aftermarket. When I tried the AC I found out the control module was not working.

I guess bypassing it is the best and cheapest way.
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Old Jan 3, 2011 | 05:11 PM
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Originally Posted by Kool88vette
Just wanted everyone to know; pulling the fuse will not solve the problem. I realized today that the radio, courtesy lights and climate control are on the same fuse. My radio worked because it is an aftermarket. When I tried the AC I found out the control module was not working.

I guess bypassing it is the best and cheapest way.
These guys have a replacement module that will solve your problems:

http://willcoxcorvette.com/product_i...ducts_id=26953
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Old Jan 4, 2011 | 10:30 AM
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Inspect the nipple on the end of the switch. If it doesn't depress easily when released or stays pushed in when depressed, the switch is bad.
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