Having problems with your 2003 GMC Sierra 1500 ?
Right signal and brake light wont work bulbs not out
Hi, this truch has individual fuses for left, and right rear lamps, you may have a blown fuse. Ck both fuse boxex, descriptions are labled in the covers. The left side of the dash, and underhood boxes. You will likely find your issue here. Good luck...Coop
Repair Help & Product Troubleshooting for 2003 GMC Sierra 1500
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