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Manufacturer
General Motors Corporation
Make
GMC
Model Year
2003
Model
Sierra
Engine Series
V-8 4.8L
Engine Capacity
V8, 4.8L
Fuel Type
Gasoline
Vehicle Type
Pickup Truck
Country
United States
truck has a pass- key anti-theft system you will have to take the VIN # to GM and have them make you a key you can not hot wire or bypass the system, the truck will nut run with out the key....sorry
call your local gmc or chevy dealer they can make a spare key by vin and your registration 20 to 35 dollars the spare key doest need to be program to start your engine yest to open the door or call a lock smith about 80 to 130 dollars. Hope this helps
I need wiring digram for GMC 2003 SIERRA . I have the left head light working fine but the right I have no power to it. I have checked the fuses and relaysand so far have not found and broken or frayed wires.
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