# 2004 GMC Envoy blower motor

**URL:** <https://community.cartalk.com/t/2004-gmc-envoy-blower-motor/122795>\
**Category:** Maintenance/Repairs\
**Tags:** envoy, gmc\
**Created:** [August 12, 2018, 4:12pm UTC](https://community.cartalk.com/t/2004-gmc-envoy-blower-motor/122795 "2018-08-12T16:12:43Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![RonaldHudgensSr](https://avatars.discourse-cdn.com/v4/letter/r/cc9497/32.png) [@RonaldHudgensSr](https://community.cartalk.com/u/RonaldHudgensSr)\
**Post date:** [August 12, 2018, 4:12pm UTC](https://community.cartalk.com/t/2004-gmc-envoy-blower-motor/122795/1 "2018-08-12T16:12:43Z")

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Blower motor only runs on 1-4, not 5 (High). Replaced the resistor module and harness looks fine (No melting). Could it be in the control switch? Or should i replace the harness anyway?

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<div class="post-metadata">

**Author:** ![db4690](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/db4690/32/2583_2.png) [@db4690](https://community.cartalk.com/u/db4690)\
**Post date:** [August 12, 2018, 6:46pm UTC](https://community.cartalk.com/t/2004-gmc-envoy-blower-motor/122795/2 "2018-08-12T18:46:58Z")

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There might be a separate fuse or relay for blower high

look in your owner’s manual