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2005 GMC Yukon Denali Questions & Answers
I have a 2006 denali
GM radios and other electronics are serviced by any electronics repair shop that is authorized by AC Delco. Check your yellow pages for shops and ask them if they authorized.
Won't start
IF battery voltage is above 12.2 volts, I'd suspect a bad IGN switch
Inside select lights not working
Could be any number of thing's . Testing the electrical circuit's for the affected systems would need to be done to find the problem . Do you know how to use a wiring diagram an a DVOM - digital volt ohm meter to test automotive electrical circuits ? Do you know what a wiring diagram is ? If not , your best bet would be to take your vehicle to a qualified repair shop.
Weird Sounds in the Exhaust
Could be turbocharger or exhaust pipe clogged with ash from exhaust smoke. In any case, service is paramount.
I have a 2004 GMC
its more than likely the bulb has gone, it will if you leave it on for long periods of time, can be a led on some dashes and they can last longer than bulbs but sometimes they dont.
2005Danali youkon xl 6.litre...nu water pump n thermastat ,no heater...car over heats.
First start with making sure the engine is purged of air, and you have no thick white smoke coming from the exhaust in back. 2 sure signs of a blown head gasket are, thick white smoke. next is , leave the cap off the reservoir/radiator. If it throws the coolant back out at start up, it's bad. Not there, next is to do a compression test on the cylinders. Low or no compression is bad gaskets also. These are the first things to check and do. Before just throwing money at good parts.
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