Hey, me again.... so is that time when you can melt yourself inside the car so I decided to do a workaround with my broken A/C. (there was air but it was not cool)

On Nov. 2013 I was driving the car and suddenly I smell something burning about 3 seconds, with that in mind today I checked the fuse and it was ok, then I check the A/C controller and I discover a burned circuit line, so I did a soldered bridge, connect the controller back and do the proper test. As soon as I turn the key ON the fuse blows, I replace the 20 AMP fuse and then again, as soon as I turn the key the fuse blows again.

Do you know if this is a known issue or how to check and fix where is the problem? (short circuit maybe?)

Please help, is getting pretty hot around here x_X

Thanks

Bump

Unplug the A/C compressor and see if the fuse still blows.

If so unplug the A/C relay and see if it still blows. The A/C relay is located behind the drivers seat, but in the engine compartment next to the fuel pump relay. The A/C relay can be identified by the color of it's wires - Lt. Blue, Dk. Blue, Dk. Green, Black.

If still blowing then unplug the heater controls and see if the fuse blows.

Sounds like you have a bad clutch on your AC compressor, or a shorted wire going to it. have some one start the AC for you while you have the engine bay open an watch your AC compressor belt and the clutch. if the clutch is working properly and then stops working after the fuse blows it sounds more like a short, good luck finding that,

I would rather pound my balls flat with a sledge hammer than hunt down an electrical problem.

Steve

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Technology is great when it works,
and one big pain in the ass when it doesn't



Detroit iron rules all the rest are just toys.

Unplug the pressure switch in the front compartment this will prevent the A/C compressor from being turned on as well as the relay. also this is only power to control the relay the power for the compressor comes from the fuse through the C203 pin N not pin M as pin M is ground also a good place to check for a short. Try unplugging the C203 to sort of divide the system in half and go from there. Dan

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DARN Cars now open with
Over 30 years wiring experience between cars and trade as an avionics technician in both Canadian Air Force and civilian aviation.
Over 25 years experience building and modifying cars.
Over 10 years of full Fiero engine swaps and harnesses building and still going.