2007 GMC Envoy Denali, Blower Does Not Work On Any Speed

This 2007 GMC Envoy Denali came in with the complaint that the blower motor would not work. The customer stated that they had removed the blower motor and connected it to battery voltage and ground. The blower motor worked under this condition. This vehicle also has auto temperature controls as indicated by a digital display. … Continue reading “2007 GMC Envoy Denali, Blower Does Not Work On Any Speed”

2004 GMC Envoy No Crank Condition

This 2004 GMC Envoy came in with multiple electrical complaints. The main complaint was that it had to jumped started any time the engine was shut off.  A quick check found that the battery cables were very loose. After removing the cable ends for inspection an excess amount of corrosion was found. From the way … Continue reading “2004 GMC Envoy No Crank Condition”

2004 GMC Envoy, Low Beam Headlight Inop

This 2004 GMC Envoy came in with the passenger side low beam not working. This repair applies generally to Envoys, Bravadas and Trailblazers, with only slight differences in the headlight assembly removal. Some require removing the grill assembly. This one is pretty simple though. Pull the retainers straight up. You can use just you fingers. … Continue reading “2004 GMC Envoy, Low Beam Headlight Inop”

2003 GMC Envoy, Low Beam Headlight Inop

This 2003 GMC Envoy came in with the complaint that the passenger side low beam would not work. The customer further stated that they had tried to replace a burnt socket. Well let’s pull the light assembly out and see what kind of mess we have. There are two retainers that have to be lifted … Continue reading “2003 GMC Envoy, Low Beam Headlight Inop”

2003 GMC Envoy, No A/C Vent Control, B0263

This 2003 GMC Envoy came in with the complaint that the a/c will only blow out the defrost and floor. Not through the dash vents. I checked codes and found a code B0263 for a fault with the mode actuator. I first ran into this problem after changing a battery in one of these vehicles … Continue reading “2003 GMC Envoy, No A/C Vent Control, B0263”

2002 GMC Envoy No Low Blower Speeds

This 2002 GMC Envoy came in with the complaint of the two lowest blower speeds missing. Because one of the lower speeds worked along with the high speed I knew that both fuses were good and I went directly to the blower resistor which is very prone to failure. The blower resistor and the blower … Continue reading “2002 GMC Envoy No Low Blower Speeds”