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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 241 (Lighting Systems) >> Description and Operation >> Exterior Lighting Systems Description and Operation >> Stop Lamps

Stop Lamps

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The STOP LP 15 A fuse in the underhood fuse block supplies battery positive voltage to the normally open stop lamp switch. When the driver presses the brake pedal, the switch contacts close and battery positive voltage is supplied to the STOP/CHMSL fuse and through the turn/hazard flasher module to the LR STOP/TRN and RR STOP/TRN fuses in the body fuse block and the LR TURN and RR TURN fuses in the underhood fuse block. The voltage from the STOP/CHMSL fuse is to the CHMSL and cruise control. The voltage from the LR STOP/TRN and RR STOP/TRN fuses is to the rear stop lamps. The voltage from the LR TURN and RR TURN fuses is to the trailer stop/turn relays. The rear stop lamps are grounded at G401 and 402. The CHMSL is grounded at G401,

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