Thread: A/C Compressor Short

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  1. #1 Re: A/C Compressor Short 
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    There is also an A/C clutch diode, and if I'm not mistaken, this is there to prevent high spikes in voltage that would otherwise blow the A/C clutch fuse. Well, since my A/C clutch fuse is blown, could it be because the diode is not functioning properly????????????????????
    Update: Since a diode is simply a complete circuit, I removed the diode and tested it. I set my multimeter to diode testing and tried the leads on both of the diode's prongs. I got a reading of 001 ohms both ways, so I believe that tells me that there is a short in the diode. I would like to try and replace it, but have no clue where to buy an a/c clutch replacement diode? Does anyone know?
    Last edited by 06grandprix93; 07-11-2011 at 11:41 PM.
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  2. #2 Re: A/C Compressor Short 
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    Okay, so I removed the a/c clutch diode, turned on the a/c, and holy santa claus ****, the compressor kicked on and I got cold air. I couldn't find a replacement diode anywhere except the dealer, who had to order one in.
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  3. #3 Re: A/C Compressor Short 
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    so without repacing the diode it still worked?? did you just pull it out and put a new fuse in it?? i traced all the wires down to my cluch and couldnt find any problems eather so im thinking that might be whats wrong with mine????
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  4. #4 Re: A/C Compressor Short 
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    Yeah, to test if the diode was the issue and causing the fuse to blow, I just removed the diode and the compressor came on. Now, I'm just waiting for a new diode to arrive at the dealership.
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  5. #5 Re: A/C Compressor Short 
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    I replaced the diode, and the fuse blew again. I'm just going to leave the diode out unless someone tells me that is a bad idea.
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  6. #6 Re: A/C Compressor Short 
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    whatever is wrong with your car is the same problem im having. i have the diode out now and its working, but its not good to leave it like that it protects the compessor and other electical parts. they put it in for a reason so it is ment to be there. if you leave it out you could have a dead compessor in a week, or a dead car if it shorts and cooks the computer or a wire in the dash. you might be safe for a few times on the really hot days but i wouldnt run it that long without it. this week im going to rewire the compressor in hopes that maybe its just a bad wire and see if that fixes it. but keeping it out isnt the best idea.
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