Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
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There is either chafed wiring/loose wiring at the climate control connector touching each other and shorting which will blow the fuse, or an internal short in the climate control unit itself. The climate control unit needs to be pulled and wiring checked at the harness connector and repaired as needed. If ok, then replace the climate control unit
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In what fuse block is this fuse and which engine is in this?
Did you get your phone call? If not, do you still want one?
Ok, I found the fuse and the wiring diagram. I have to ask, does this have a heated steering wheel?
If it does have a heated steering wheel, remove that 7.5a heated steering wheel fuse and see if the fuse #48 still blows.
If it does or you don't have a heated steering wheel. the pink wire to both the indies review mirror and see if the #48 fuse still blows.
Plus put the 10a fuse back in, you don't want to burn anything up.
If it still blows with just the instrument cluster pink wire hooked up, it looks like it's going to be that then.