1988 - 1998 (GMT400) Section for all discussion related to the 1987-1998 Chevrolet and GMC trucks.

Interior Lights Problem

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Old Feb 9, 2020 | 2:56 PM
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Default Interior Lights Problem

The courtesy lights in the roof and the floor will not go off. I have changed the roller dimmer switch, the headlight switch and the driver’s side door button switch. Any suggestions??
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Old Feb 9, 2020 | 3:15 PM
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do you have a passengers side door switch? they work by completing the circuit, once the plunger is extended the circuit is complete and the light will go on. if you unplug them the circuit is broken and the lights will turn off
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Old Feb 9, 2020 | 3:29 PM
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Thank you, Irish.
I have not replaced the passenger side switch, but I did unplug it and the light still doesn’t go off.
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Old Feb 9, 2020 | 3:34 PM
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This old girl has sat up for a long time. Just got the new motor in and have about 200 miles on it. Lots of little gremlins like this. . .
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Old Feb 10, 2020 | 4:11 PM
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are they LED bulbs?
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Old Feb 10, 2020 | 4:20 PM
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No sir they are not LED. I made that mistake already on the parking lights.
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