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2005 GMC Sierra - Page 4 Questions & Answers
Truck stalls when hot
coil pac's or pac could be shorting out .. does it start back up after it cools down ?? take em in and have em tested...
Break line diagram 2002 gmc 2500hd duramax 6.6
you lost them????? LOL
ok , my guess is you want to study them,?
the FSM covers that totally, buy the book?
or if in USA< log in to alldata.com and read it there?
please give hint as to the why?
Gmc vehicle recalls
take it to any gm dealer they can check it and fix it if it has not been done yet
Electrical Problems
no it does not mean if you look at a fuse that it is good you have to use a voltage tester across the fuse . If the power is there follow the wirring diagram there are relays because the two seat do not work you got a commun connection that is not feed or broken it is always that way 1 check if you got power 2 check down the line until you find the broken connection. I hope that will help you. PS patience
Dashboard Gauges Quit Working ?
The whole dash panel is one unit. You will need to check the wiring going to the dash panel. Check the connectors and make sure they are snug on the spades. The whole unit may have o be replaced. You can find it at autopartswharehouse.com for an unbelievably low price.
Both electric seats do not work ?
You can not always tell if the fuse is good, just by looking at it you have to test it after that you have to follow the steps in your manual .Like power to the relay ,the connections
Why does a/c only blow whil vehicle is in motion?
you have a problem with the heater/a/c controls there obviouly stuck on a/c you will need to strip out the control panel to see why the direction/vent , hot/cold , fan speed controls are not working , before doing this have you checked the fuses as there may be a seperate fuse for the control panel ,if this all checks out take to an a/c specialist as you dont want to mess around with a/c gasses etc
Radio will not turn on
did you possibly disconnect the wiring from the back of the radio..check the fuse for it.. see if it broke(burnt out).is the key on?
Lights surging
Sounds like low voltage. Have them check your battery and alternator at your local parts store
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