Download Interior Lighting Module Locations Manufacturer supplied 2 different possible locations. Look for 5 wire connector with wire colors: gray, white, orange, pink & black. #PIT3819: Location of Interior Lamp Control Module – keywords control dim dome electrical entry ground illumination inoperative keyless lens light remort resistor RKE short – (Dec 23, 2005) Subject: Location of Interior Lamp Control Module. Models: 1995-2000 Chevrolet C/K Trucks, Suburban and Tahoe 1995-2000 GMC Yukon and C/K Trucks Classic Body Style Only The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this P1. Condition/Concern When diagnosing a dome lamp concern on one of the vehicles listed above, you may be unable to locate the Interior Lamp Control Module that is called out in the Service Manual. Recommendation/lnstructions : Only vehicles without Remote Keyless Entry (RPO AUO) will be equipped with a Interior Lamp Control Module. If the vehicle is equipped with (RKE) Remote Keyless Entry, the illumination module is a internal part of RKE Module. Please follow this diagnostic or repair process thoroughly and complete each step.