1991 GMC Sierra "ac" Questions

ac cluch does not kick in if you press the ac button, do you hear a faint "click" inside the vehicle?  someplace next to the passenger area floor there is a relay for the ac.  Turn the ...

2004 gmc sierra 5.3. AC not working AC Compressor fuse blowing I have a 2004 5.3 gmc sierra. My ac has stopped working. the ac compressor fuse keeps blowing. I change ac comp relay and that didn't ...

1989 GMC Sierra radio, AC, etc. controls only work occasionally. Sometimes the radio will come on, but will not be able to control volume or turn it off. Sometimes the radio, AC, etc. will not come on

When running the AC it will switch to heat if I stop and shut the truck off and start it will go back to AC yesterday it done it 4 times Have you recharged your AC lately? Get a can of R14A at pep ...

can some post the 1999 gmc sierra wiring diagram the ac compressor will not turn on. the wiring is good from the compressor to the fuse panel under the hood. the relay switch and 10amp fuse are good. ...

...I disconnected the negative terminal post to complete a cold air intake installation?? Turn your AC off. Turn the car off Crank the car turn ac on drivers side to 60 passenger side to 90 press

my ac is blowing hot air? 2004 gmc sierra You can try looking for a blown fuse.look in owners manual under (fuses) AC..It could also be a vacuum lines that control the heating/AC unit

ac in 2004 sierra is blowing hot air and the selector buttons for my ac is blowing hot air and the selector buttons for the unit are not lighting up and appear to not be working. checked fuses and ...

Can I pass the ac compressor with a smaller serp belt for time being yes yes if it is neccarry it will work make sure belt not rubbing it self to geather u can do that but it is very diff to judge ...

1991 Sie rra GMC AC control problem When you select ac on the control panel the compressor clutch will not engage. The AC light on the panel comes on and flashes on and off for a short time and ...