Question about GMC Envoy
Posted by Anonymous on
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Posted on Jan 02, 2017
should be on the passenger side under the dash. Remove the lower dash panel and look up under the dash. you will see the blower motor and then to the left a little you will see a plug attached to a relay/resistor switch. It is held on by two screws. The Envoy is the Trailblazers sister so you may have the same issue I had. Seems like the ground is not sufficient enough causing the ground wire to get hot melting the plugs together. I had a very hard time getting them apart but did. Purchased a new relay/resistor switch and repaired the wiring myself. GM wants $100.00 bucks for the plug. Hopefully you don't have a G/F or wife like mine that thought kicking the fan speed control switch would make it work. I had to also replace that due to her breaking the switch.
Posted on Aug 16, 2009
Need to check to see if the blower motor is running.If it is,but not threw the vents,most likely a vent door actuator motor.The actuator motor in this case would be bad,it is hard to get to,unless you are mechanically inclined,You can do it your self.If the blower motor is bad,just replace it.Check fuses first,and the blower relay.If I can help,let me know.
Posted on Aug 29, 2009
Just behind right rear tire up in the wheel well. Air inlet is inside right rear quarter near the accessory inflator. Compressor runs 3 lines one for the accessory inflator and one for each air bag.
THere are also 2 sensors, one on each trailing arm that senses load and then raises and lowers accordingly.
Posted on Feb 17, 2010
The engine coolant temperature sensor(ect)is located
on the front of the engine, just above the alternator.
Hope this helps.
Posted on Mar 14, 2010
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