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a/c fan not coming on...

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SoCalGST

15+ Year Contributor
96
3
Apr 21, 2005
tulare, California
hey whats up guys.
my a/c isn't working right. i turn on the a/c in the car and the light lights up just fine, i checked both the high and low pressure valves and i have freon in the system , its fully charged. i checked and repalced all the grounds. all fuses and relays are woking perfectly. but when i turn on the a/c the fan never comes on. the only other thing i can think of is evap temp sensor in my dash that ells the a/c when to turn on/off....

what do you guys think please help its almost in the 100's already, i need my a/c
 
the fan is fine, its just not getting power, the light wouldn't come on if it was bad..
 
the light will come on even if you remove all the AC components excpet for the wiring, Ask me I just did that. I also wired the spal fan into the stock wiring that went to the AC fan, so if I want my spal on, I just psh the AC button, it kicks on. I wired it thru a relay since It was blowing fuses occasionally and now its really problem free. I will try to go look at my set up and find out what pin that switched 12V was on when I get home but it might be dark already. But if I remember I will post it up here. There for you can refernece that pin on yours and make sure its not open, I would also just jimmy rig a setup to power the AC fan and check to see if it does come on, Just follow the wires to the motor, and check it out.

Good thing about the AC switch controlling the fan is that it still cools something even though passangers ask why I turn the AC on when getting ready to race.
 
um, i'm sorry i didn't really understand your post... anyway, my uncle is a honda mechanic but while i was down in bakersfield last night i frogot my wiring diagrams and schematics for the a/c system.

after trying to troubleshoot it for a little bit he came to the conclusion thats it probably my evap temp sensor, its located in my dash behind my glove comparment,the problem is, the only way he can check it is to jump it using 2 of the 3 wires, but if he uses the wrong wires, he said it'll probably fry my whole heating system.

so does anyone have the schematics or wiring diagrams and exact loactions of the grounds for my a/c system i'd really appreciate it.
 
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