Interior lights wont turn off
Thread Starter
Staging Lane
Joined: Nov 2009
Posts: 91
Likes: 0
Interior lights wont turn off I have a 1999 convertible SS, for some reason without pulling the courtesy fuse or disconnecting the battery i cant get the interior lights to turn off. I checked the dimmer switch, both doors, rear hatch, glove box and mirror all check out fine. If i pull the fuse with the key out and reinstall the fuse the lights stay off. Once the key is in the ignition they turn back on and stay on even after the key is removed. What do i do?
Thread Starter
Staging Lane
Joined: Nov 2009
Posts: 91
Likes: 0
No i don't let them drain the battery i just pulled the courtesy fuse and leave it out. If I leave it in they don't turn off. Once the car is off I can reinstall the fuse and they stay off but if i put the the key in the ignition they are back on again.
Joined: Nov 2003
Posts: 11,329
Likes: 346
From: Jacksonville, FL (originally from Toronto Canada)
You may have a bad BCM. Even if the door switch is stuck or malfunctioning (making it seem like the door is always open), the BCM should go into battery saver mode after about 15 minutes and that would shut off the interior lights.
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Joined: Nov 2003
Posts: 11,329
Likes: 346
From: Jacksonville, FL (originally from Toronto Canada)
Have you tried opening and firmly closing the hatch? Sometimes the hatch ajar sensor switch will cause the problem.
You can test the door and hatch switches with a multimeter using either the continuity setting or the DC resistance (ohms) setting. Unplug the blue 32-pin connector from the BCM. Find the three wires in positions D11, D12 and D13. They are gray/black, black/white and orange/black in that order with an empty pin preceding and a light green wire following. Connect one meter probe to a good ground such as a dash bolt and touch the other probe to each of the pins in turn. The meter should indicate continuity to ground (or 0 ohms) when the corresponding door is open and no continuity (infinite ohms) when the door is closed.
D11 - gray/black - driver's door
D12 - black/white - passenger's door
D13 - orange/black - hatch
You can test the door and hatch switches with a multimeter using either the continuity setting or the DC resistance (ohms) setting. Unplug the blue 32-pin connector from the BCM. Find the three wires in positions D11, D12 and D13. They are gray/black, black/white and orange/black in that order with an empty pin preceding and a light green wire following. Connect one meter probe to a good ground such as a dash bolt and touch the other probe to each of the pins in turn. The meter should indicate continuity to ground (or 0 ohms) when the corresponding door is open and no continuity (infinite ohms) when the door is closed.
D11 - gray/black - driver's door
D12 - black/white - passenger's door
D13 - orange/black - hatch
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