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E36General discussion and technical help for (E36) 1992-1999 3 series cars. 318, 323, 325, 328.
I recently posted about A/C not being cold but freon is full. Today I troubleshooted further and noticed that the AUX fan is not turning on when the A/C is engaged. WOuld this prevent the air from being cold? Thanks
Update: Got the aux fan going and I figured out my problem. After going thru all the fuses I found fuse #39 was blown- the description for this fuse says air conditioner. IT was a 7.5A fuse.. I replaced it and turned the A/C on, still not cold. I check the fuse and it is blown again.. I did this twice more, once with a 10A fuse and once with a 15A fuse.. IT blew everytime. Where do i go to next to fix this prob??
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Wiring short or faulty component that is causing excessive current draw - causing fuses to pop. See what is hooked onto that fuse and try to isolate the component that's causing the current draw.
It's also possible that a + wire on that fuse is shorting to the common ground.
^ really? j/k.. it is set towards blue (cold). It is def the fuse issue. I was looking at the wiring diagram in the bently and it showed that fuse 39 is run to the compressor control relay so this is my culprit. Im just going to follow the red/green wire. It may be frayed or touching a ground or possibly the relay itself is shot...we'll see