No heat or def

ID Status Date Year Make Model Transmission Type A/C Controls Public/Private
#15346 Closed 2001 Chevy Suburban public

Only blowing cold air out of vents, doesn’t get hot or change any other position

Sparky

Start by checking the HVAC 1 fuse in the interior fuse box. You need to make sure the fuse is both good and powered with the ignition on.   If you need more help I will need to know if your vehicle has auto or manual a/c controls.

 

Thanks for the reply but I am a mechanic for a living and I was convinced it was a wiring issue, boy was I right, it had some wires that were spliced into by the previous owner and they had melted togeather behind the blower tubes, so after 4 hours I cut the bad wires out and rerun them with new and shrink wrapped all off them and bingo it was fixed

Sparky

Glad to hear you fixed the problem.

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