After 18 months of owning my car (89 with M52 swap) I finally got the AC working. It worked perfect for about 3 days - all fan speeds worked, recirc button worked, all sliders worked, then today started acting up on me.
I was sitting at a stoplight and the whole HVAC panel lost power. Popped the hood and had lost fuse 20. Replaced fuse 20 and set the fan speed to 4, pushed snowflake button and it instantly blew fuse 20 again. Replaced the fuse, tried fan speed 1, pushed snowflake and it instantly blew. I tried different fan speeds both with the motor on and off and they both blow fuse 20 immediately when the snowflake button is pressed. The recirc button still functions fine, unless I push the snowflake which causes the whole HVAC panel to stop working.
Like I said the AC was working perfectly fine for days. I find it very odd that I would just randomly have a major wiring issue out of the blue. I traced the wires and didn't see anything that looked broken or grounded out. I've heard this can be caused by the compressor clutch, but why would that just start after a few days of no issues on a compressor that has never been used?
I'm going to Houston on Thursday for 2 months for work and I'd really like to bring the E30, but I can't survive in Houston summer with no AC. I used to daily a 68 Nova there and can't play the no AC game again
I was sitting at a stoplight and the whole HVAC panel lost power. Popped the hood and had lost fuse 20. Replaced fuse 20 and set the fan speed to 4, pushed snowflake button and it instantly blew fuse 20 again. Replaced the fuse, tried fan speed 1, pushed snowflake and it instantly blew. I tried different fan speeds both with the motor on and off and they both blow fuse 20 immediately when the snowflake button is pressed. The recirc button still functions fine, unless I push the snowflake which causes the whole HVAC panel to stop working.
Like I said the AC was working perfectly fine for days. I find it very odd that I would just randomly have a major wiring issue out of the blue. I traced the wires and didn't see anything that looked broken or grounded out. I've heard this can be caused by the compressor clutch, but why would that just start after a few days of no issues on a compressor that has never been used?
I'm going to Houston on Thursday for 2 months for work and I'd really like to bring the E30, but I can't survive in Houston summer with no AC. I used to daily a 68 Nova there and can't play the no AC game again
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