Questions & Answers for: GMC head unit

...HEAD UNIT AND NOW THE HEAT STOPPED WORKING. SO I AM WOUNDERING IFTHER IS ANY RELATION BETWEEN THE HEAD UNIT AND THE HEAT. AND IF NOT WHAT COULD BE CAUSING THE HEAT TO NOT WORK. be more specific,head ...

...head unit isnt signaling the blower & non settings are working hmmm ...ok...we need to diagnose the brain...check fuses and relays ..anything related to a/c heat blower motor and power to head unit ...

...head unit was not in lock because I could seek to different stations. When I put a Bose head unit in the pickup, there was sound coming out of the speakers but only the highs. No mids or lows. So I ...

a 1971 GMC 350 v8 engine? The temperature sending unit should be located on the drivers side cylinder head between the number one and the number three spark plugs, that is if it is the original engine

...head unit into the truck. I have removed the head unit and taped the ends of all the wires so they cant touch untill I can go to a junk yard and get the plug that is supposed to be on there. I dont ...

unit is not over pressurized it has been checked I would make sure that the electric fan clutch is coming on. Sounds like the a/c compressor may be building up high head pressure and the fan clutch is

I need to replace the driver side head light unit. It has water inside The seals leak. Dealer wants $750.00 to change out the light unit go ahead...u'll save 750.00

head gasket installation, then check coolant temperature sending unit. Also, trying flushing the heater core via the firewall connections..just use a garden hose. Check fuses too..check all electrical

radio is on but no sound only on head phones trace the wireing from the head unit to the speakers to see if it needs replacing

...head unit: If you have a multimeter, you can use it to test the head unit's output voltage. The voltage should be between 11 and 14 volts DC. If the voltage is too low, the head unit may not be ...