Interior lights are controlled
by the Body Control Module (BCM)
The door jam switches input to the BCM is a
door is open or closed.
You may have a door jam switch that is sticking or
coroded, causing the
lights to do this, or a BCM acting up.
Remove
the door jam switches and inspect. Disconnecting the switches
should
make the lights to go out...Hope this helps.
Possible that the roof light switch or one of the door switches or the circuit is faulty and switches on . You need to trace by disconnection. If there is a TIME DELAY switch off then the electronic circuit can work erractically . You can remove the connections to each of the door switches to confirm which circuit was malfunctioning.
SOURCE: 2003 Chevrolet tracker has a clicking relay when car is off
try locating the relay and identify its purpose.relays have two power sources but require the delivery of ground to switch,this ground is supplied from te vehicles pcm or ecm.relay could be faulty if its a time delayed relay it may be "sticking" and not stopping the draw from power source. but keep in mind that GMs are notorious for the body control module to fail.(this module may be integrated into the PCM.but may be a independent unit{{found under drivers seat in most full size SUV and PU after 1999.}} have u attempted disconnecting the battery for about 10min.? this may reset and correct your issue.
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