Having problems with your 2003 GMC Yukon Denali ?

My hearter fans will not turn off. when i turn my truck off.

Posted / edited by AnonymousUser on : 27-06-2022

Answers :

Relay for the heater fan is the most likely problem, replace the relay and if that does not fix the issue the problem could also be in the resistor pack for the fan control.
Repair Help & Product Troubleshooting for 2003 GMC Yukon Denali

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