Question about 2002 Jeep Grand Cherokee
It is likely that one of your door switches is broken, shorted or just not closing far enough. First, walk around the car and push in on each door to see if the light will go out. If it does, adjust the lock on the door to hold the door in farther.
The interior lights and door ajar indicator are controlled by a combination of door switches. There is usually a centralized controller that receives ground signals from switches in each door, when opened. If any of the switches sends a ground signal, the controller turns on the lights.
If this doesn't work, find the switches in the door jams and check each one. Pull them out of the car body. If the lights go out, the switch is bad. In case the switch has two wires rather than one, pulling the connector off the switch should have the same effect. Test each switch in this way. If you have all switches disabled and the lights are still on, the problem is likely to be either one of the switch wires grounding out to the car body or the interior lights control module shorted on.
Please let me know if you have any questions.
Posted on Nov 14, 2010
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Posted on Jan 02, 2017
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