SOURCE: Where is the interior fuse panel on my 2002 gmc envoy? Thanks!
There are two fuse boxes on a 2002 Envoy One under the Rear seat on the drivers side and one under the hood on the drivers side.
SOURCE: My GMC yukon XL 2001 engine runs after 4 times of cranking.
Try turning key to on only, not start, 2 or 3 times first then try to start. If it starts good first try, then I'd change my fuel filter & then have fuel pressure tested if fuel filter didn't help. You may be looking at a new pump, but lets do filter & test fuel pressure first.
SOURCE: how to change the serpentine belt on a 2002 GMC
Look for the belt tensioner pully. If you don't know what this is run the engine and look at the pullies.The one you want is the only one that will be moving up and down.This is the one that is spring loaded.Think it is drivers side top.It may have a square hole in the arm to put a ratchet in.Thinking 3/8" drive but may be 1/2" ,if there is not a hole then you will need a socket that fits on the center bolt of the pully.I will suggest a long handled ratchet or breaker bar,if you don't have one you can put a pipe over the handle of a short handle."cheater pipe"Put force on it so the pully comes up off the belt.If you don't have a belt routing sticker still on your radiator shroud draw one before you remove it.I think the belt comes off on the drivers side.when putting on the new one start at the crank pully,around the waterpump,then to all pullys on passinger side.The last one will be the alternator.Hold the belt down in front of the tensioner pully attach the ratchet and pull until you can slip the belt under the pully,Make sure the belt is properly seated in all pullys before starting.Helps if you have a spare set of hands.
SOURCE: horn wont work in gmc 2002 p/u relay switch ok
Either the horn itself is bad or the horn switch is bad in the steering column. Try running a hot wire straight to the horn to c if it works
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