# 2006 GMC Envoy - Blower Works Only on High Speed

**URL:** <https://community.cartalk.com/t/2006-gmc-envoy-blower-works-only-on-high-speed/146432>\
**Category:** Maintenance/Repairs\
**Created:** [August 10, 2019, 11:00pm UTC](https://community.cartalk.com/t/2006-gmc-envoy-blower-works-only-on-high-speed/146432 "2019-08-10T23:00:08Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![dallasmitchell](https://avatars.discourse-cdn.com/v4/letter/d/7ea924/32.png) [@dallasmitchell](https://community.cartalk.com/u/dallasmitchell)\
**Post date:** [August 10, 2019, 11:00pm UTC](https://community.cartalk.com/t/2006-gmc-envoy-blower-works-only-on-high-speed/146432/1 "2019-08-10T23:00:08Z")

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air cond. only works on high speed

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**Author:** ![CapitalTruck](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/capitaltruck/32/16592_2.png) [@CapitalTruck](https://community.cartalk.com/u/CapitalTruck)\
**Post date:** [August 11, 2019, 2:39am UTC](https://community.cartalk.com/t/2006-gmc-envoy-blower-works-only-on-high-speed/146432/2 "2019-08-11T02:39:05Z")

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Blower motor resistor fried. Might have dorked up the harness it plugs into also. Very common on this vintage of GM. Easy fix. They sell the resistor and the harness.