2004 GMC Envoy "heater ac work speeds 1" Questions

...heater and ac conditioner and it works great. When I switch to defrost setting the truck stalls again. What kind of problem am I looking at ? Can I just replace the interior switch unit or is it ...

...heater/ac fan works on speeds 1 thru 4 just fine but not on speed 5. I had a simalar problem on a 1994 Astro van and found a fuse link in the power feed to the blower right at the back to the main ...

...AC/Heater blower speed 1 & 2 not working. The AC/Heater blower speed switch does not work on #1 or #2. It works on 3 & 4. The problem occurs w/ both the heater and air conditioning. You might have a ...

...heater motor resistor controls the fan speeds. The AC control on Nissan Frontiers also runs through the heater resistor. If one or more fan speeds is not working, the AC will not work properly. ...

Heater/ac switch speeds 1 and 2 don not work in 99 Silverado I have a 99 Chevy Silverado (new style) and the speeds 1 and 2 on the heater/ac fan control switch do not work but works fine on speeds 3, ...

I have a 2001 jeep wrangler sprot. The heater/AC fan switch will work for fan speed 1 through 3 but fan speed doesnt work at fan speed 4 Replace the blower motor resistance it controls the fan speeds.

AC\Heater fan only blows slow speed. What is the problem? Worked fine before now only blows out air very slowly. heater speed switch in passenger side in foot area above toes in heater box one wire ...

to fix. SOUNDS LIKE THE SWITCH & OR THE BLOWER MOTOR RESISTOR, ARE THE PROBLEM WITH THE LOWER SPEEDS. SPEED 5 MAY HAVE ITS OWN FUSE, REFER TO OWNERS MANUAL FOR INFORMATION ABOUT THE HEATER/AC FUSE

...heater/ac fan speeds stopped working first #1 stopped then afew months later I had no #1or#2speed and so on until recently all 5 speeds have quit working usually a bad blower resistor is at

Heater blower does not work on settings 1 2 and 3 but does work on setting 4 do you know why? Bad ignition switch. Speeds 1,2,&3 go thru switch. Speed 4 does not and will work all the time ...