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Rear hvac help needed please
Your diagram was the ticket I had a bad ignition 3 fuse. This is the fuse that powers the brown wire on the Rear actuators. I still cant adjust from roof to floor. So must still have a bad actuator. Got heat and air now. Just got stumped trying to find a fuse labeled ignition 3 instead of hvac...- Busman
- Post #6
- Forum: Audio & Electronics
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Rear hvac help needed please
Front hvac system works as it should. Rear hvac blower works. Both rear duct doors operate normally. Heater core and A/C work. Actuators do not operate. No power on brown wire on either actuator. I have good grounds. From what I can find and from your diagrams the brown wire on both actuators is...- Busman
- Post #5
- Forum: Audio & Electronics
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Rear hvac help needed please
I have searched and worked on this for days. 2005 Tahoe Z71 78000 miles, auto HVAC controls. Front hvac works as it should. Rear heat and A/C work but cant switch from floor to ceiling or heat to cool. Both duct doors work and are free. Blower works as it should. Neither Rear actuators work...- Busman
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- Replies: 6
- Forum: Audio & Electronics
