20 Most Recent 2005 GMC Sierra Questions & Answers

There are some videos that may help, but the easiest thing is to get the vehicle to an auto electrician. His pro grade scan tool computer will show what the fault is.

you have taken the calibration out of sink. you will now have to remove battery power again for about 5 minutes. after this time reconnect the battery. then turn key to on position for 3 minutes but do not touch the heater control or temperature controls. This should allow the heater and ac system to recalibrate. once the 3 minutes is up turn key off and then back on and start truck.. Try your controls again and see what happens. if no change then dealer will have to reprogram the heater control calibration for you.

Could be something as simple as the connection came unplugged. If not, disconnect it at the lug and check it with a test probe to see is there power from the harness to the motor. If no power, check fuses and connection at the sending unit.

The speed o meter not working correctly is probably the result of a bad stepper motor inside the instrument cluster . GM had bad step motors from 2003 to 2006 . How to repair GM Instrument Cluster Speedometer Gauge Stepper . The problem with the heated seat is more then likely bad heating elements . Testing the electrical circuit is the way to find the problem . CHEVY GMC SEAT HEATER TROUBLESHOOTING YouTube

probably not the cluster but the spiral wiring in the steering wheel broken

change both of them

Is the parking brake engaged?

Change both axel bearings at the same time. The pinion bearing can be tested by slowly turning the drive shaft by hand and listening for any rough spots. It could be a carrier bearing or a bad U joint too. Isolate it by dropping the drive shaft and turning the pinion yoke by hand. If there is a problem, you'll be able it feel it. Then look at the drive shaft for worn carrier bearing and U joints.

You might want to check the ball joint. None of them have grease zerks and can dry out. They will cause a noise when turning or hitting a bump, if really bad. Hope this helps.

You will need to contact your local dealer with the Vin number of your truck & possibly the make of your radio. When a radio locks the dealer has the code to unlock the radio, just give them a call & you should have your radio working in no time.

Do you have a air bag light on the dash ? Check ground circuit for lose connection . Ground G203 In the I/P harness, on the left side of the I/P near the A-pillar below the I/P top cover .

Here watch this video , yea yea I know this is a BUICK but your cruise is the same . The cable needs replacing , more then likely ! The control module for yours is in or near same spot as the Buick according to service info . No Cruise Control Buick LeSabre

I have always looked things like that on YouTube.

Hi Anita: If it had been running fine up until the maintenance that you describe, I would be checking what had been done. -The first concern would be the oil used, and the amount. Is it possible that it was overfilled or that the wrong kind of oil was used? Please reply as a comment to this post and I'll try to assist you.