The temperature blend door may be stuck in the heat position.
In my Caravan, the fan belt was broken when this happened.
Yes.
how do you remove the running boad plastics on a 06 tahoe
No. It only has one compressor and it is bolted to the front side of the engine.
No it will not.
Fuel pump
No it did not.
Local salvage yard is a good source.
Did you check the fan?
Wrong amp of fuse
headlights
Do you have dual control thermostats?
yes i can answer what is shorting the chevey tahoe fuses theres a promblem with the starter wires moving and touch and grounding on to the starter remove starter and adjust wirers