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Old 04-21-2009, 07:56 PM   #1
Charley "Harley"
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Default Door ajar/interior lights stay on when driving

I've got a 92 Corvette. The door ajar dash signal stays on all the time. My battery gets too low to start after the car sits for 2 days and the interior lights stay on while driving. A couple of times the lights flickered but stayed on and once they actually went out but the door ajar signal stayed on. I've checked both door switches and window hatch switch for continuity, plus taped them completely closed so I know it's not a door adjustment causing the problem. I have looked in both the manuals I have (Chilton & Haynes) and neither have a full circuit diagram and one doesn't even identify the fuse panel correctly. What is the fuse that controls the Door ajar/interior lights? Does anyone have a complete wiring diagram for this circuit or where can I find one on the internet? (My Chevy dealer has chose not to copy and share any of their repair information data anymore.) Is there some sort of relay in the circuit that can be at fault? Does anyone have more than a clue on what to investigate/fix the problem? Help please............I need my car!! THANKS FOR ANY HELP.
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Old 04-21-2009, 09:49 PM   #2
NEVRL8T
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One of your problems is that you are using a Chilton & a Haynes manual. You need an Factory Service Manual (FSM). You can buy one at www.helminc.com this has a wiring diagram in it.
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Old 04-22-2009, 08:27 AM   #3
ottawabarber
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mine flickers while driving
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Old 04-22-2009, 09:04 AM   #4
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I'm not sure if it will be the same for a '92, but the FSM for my '90 recommends replacing the Courtesy Lamp Diode Module for these symptoms. The location is the rear cargo compartment, right of the fuel filler.
Also, pull your CCM codes, looking for 24 or 25.
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Old 04-24-2009, 11:50 AM   #5
wmupaprmkr
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I had the same problem with my 92 and mine was a faulty door ajar switch.
They are relatively cheap to buy and to change out you need to pull the door apart.
My symptoms were the interior lights coming on (usually when turning sharply over turning into a drive way, or the alarm coming on in the middle of the night (that was fun!).
I did have to add some tiny washers behind the plunger of the door ajar switch because it would not stay in the correct spot and then the plunger would snap off.
Good luck!
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Old 04-24-2009, 11:54 AM   #6
jimg's'93
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I've actually read of some owners using epoxy to secure a quarter to the switch striker to close that gap.
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Old 04-24-2009, 12:56 PM   #7
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The door ajar switches have a plunger in the center. Shoot a little wd40 on the plunger then gently pry it out about an 1/8" with a small flat head screw driver. After you do that gently close the door (DO NOT SLAM IT). This will reset the plunger and should give the room the switch needs to close. Give it a try before you buy new ones. Worked for me. It solved the courtesy lights staying on and the flickering while driving. It's free and only 5 mins of your time!
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Old 04-24-2009, 12:56 PM
 
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1992, 2007, ajar, car, corvette, courtesy, door, driving, interior, lamp, light, lights, stays, switch, turn, wont


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