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1991 Honda Civic Door Ajar Light Drains Battery

1991 ALL OTHER MAKES ALL OTHER MODELS
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BEEBS420
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  • 3 POSTS
The door light stays on and drains the battery. I found it to be the passanger side. I pulled the door pannel and the only wires I see go to the seat belts. I don't see anything else that would be for the door ajar light. anyone know what I should do?
Jul 8, 2006 at 1:19 PM
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RUNTICH
  • MEMBER
  • 27 POSTS
The door ajar switch is not on the door itself it is on the door jam. Look next to the shiny chrome u bracket on the door jam it should be black and u will be able to move it back and fourth. check the swich it is probably bad or u can just unscrew it and disconnect the wire but it u disconnect it the light may still stay on but ur mostly likely cause of this problem is the switch.
Jul 8, 2006 at 5:52 PM
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BRUCE HUNT
  • ✓Experienced Mechanic
  • 3,754 POSTS
Older car and the switch could be bad but the door could also not be closing all the way. Try to push hard on the outside to see if this turns the light off. If it does, adjust the latch on the jam to enable the door to close tighter.
Jul 10, 2006 at 1:56 AM
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BEEBS420
  • MEMBER
  • 3 POSTS
After all my tearing apart looking for wires it ended up being what you said. All I had to do was moved the chrome u-bracket towards the out side of the car and done. THANKS.
Jul 16, 2006 at 1:45 PM
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BEEBS420
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  • 3 POSTS
Update. Moving the U-Bracket ended up being a temp fix. So I changed the door jam switch and that didn't work. So the search resumes. When I tested for the short it sounds as if it is in the door latch area of the door. Is there even a wire that runs to the door latch?
Jul 20, 2006 at 9:51 AM
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94BOWDEN
  • MEMBER
  • 33 POSTS
runtich is right or just do the easy thing and remove the dome light (the bulb)!
Aug 3, 2006 at 3:47 AM
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Suggested Repair

Push the passenger door firmly shut and see if the ajar light goes out. If it does, adjust the door-jamb striker (chrome U-bracket) so the door closes tighter. Also inspect the door-jamb ajar switch beside the striker. Adjusting the striker was only temporary and replacing the switch did not fix it, so the circuit still needs further diagnosis.

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Conversation Summary

A 1991 Honda Civic Si had a passenger door-ajar light that stayed on and drained the battery. Advice was that the switch is on the door jamb beside the striker, not inside the door, and that the door might not be closing fully. Moving the chrome U-bracket outward temporarily turned the light off, but the problem returned and replacing the jamb switch did not help. The owner then suspected the latch area; no confirmed final repair was given.

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