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Old 07-03-2017, 04:47 PM   #1
Waleygator
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1984 Corvette courtesy lights

When I open the door the lights do not work. I can manually push the "map lights" on on each door and they work find. Any suggestions? And no, I'm not electrically inclined!
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Old 07-03-2017, 09:18 PM   #2
Blue Bowtie
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Re: 1984 Corvette courtesy lights

The primary reason would be corrosion of the door jamb switches. These are mounted halfway up the A pillar on the hinge end of the opening.

Depending upon your model, there may be an ambient light sensor in the dash. If the outside light is above a threshold the courtesy lamps will not illuminate via the door switches. This is controlled by the CCM (Central Control Module), later referred to as the BCM.

There is also a delay timer module original part no. 10098435 ) located in front of the passenger side I/P and taped to main wire harness. It is about a 2" cube. If this relay/timer has failed the lights may not operate with the door switches but will operate with the manual ON feature, since that switch simply grounds the lamp.
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