Questions & Answers for: GMC Envoy rheostat in my car

...still exist It sounds like you are having an issue with the fly-by-wire. Isn't this car still under warranty? It could be a bad rheostat in the pedal or a bad throttle positioning servo at the

where are the heat blower rheostats located on my 2003 GMC Envoy The blower motor resistor pack is mounted to the blower motor and is located behind the glovebox.

my heat blower does not work in positions 1,2,3 on my 2003 GMC Envoy Can I replace the rheostat myself ? where is the rheostat for positions 1,2,3, located ? can I get access to the blower fan under ...

...have scan done so you're not just throwing parts at it. (Why I suspect TPS is - TPS is basically a rheostat and it develops wear/hot spots where it's most commonly used - like at cruising ...