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Climate Control Fuse - keeps blowing

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Old 06-09-18, 06:40 PM
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SactoSC3
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Default Climate Control Fuse - keeps blowing

Climate control went out on Monday. Found a blown 10A fuse at the left kick panel and replaced it with a 15A. Turned key to ACC and saw Climate Control illuminate, so I figured I was good. Put covers back on, carpet back into place and checked cig lighter for a penny, just in case. Started car and light went out again. 15A fuse blown.

Is there a mechanical part that can be triggering the fuse to blow? Fan clutch, maybe? I've done Advanced Searches in the Forums and usual solution was fuse replacement. But, since I've done that already, I'm wondering if anyone else has seen other issues that may be driving the fuses to blow.

Thanks!!
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Old 06-10-18, 11:03 AM
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unplug the cig lighter to eliminate possibility of short you can't see down in there. if any radio installs, check ill wiring.
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Old 06-10-18, 12:34 PM
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Cig lighter works fine and charges my phone, no problem. Stereo works fine, no problem. Iím wondering if my fan clutch is frozen?
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Old 06-10-18, 03:49 PM
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Mechanical faults show in the form of the lights blinking on the AC
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Old 06-16-18, 12:30 PM
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I believe Iíve now got this narrowed down to a bad ac compressor clutch. Ive searched the forum and canít find any parts numbers. Called local parts places, Napa, Autozone, Oreillys and no one sells just the clutch besides OE/Dealer. Has anyone else had luck buying one elsewhere besides OE and have a part number. Thanks
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Old 06-16-18, 09:38 PM
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Originally Posted by SactoSC3 View Post
I believe I’ve now got this narrowed down to a bad ac compressor clutch. Ive searched the forum and can’t find any parts numbers. Called local parts places, Napa, Autozone, Oreillys and no one sells just the clutch besides OE/Dealer. Has anyone else had luck buying one elsewhere besides OE and have a part number. Thanks
Here's a clean phone shot of the AC Compressor Assembly pages from the 92-99 SC 400/300 Parts Catalog, if it helps.

No luck finding a complete assembly at a wrecker? I've even seen them on eBay for not much.

A/C compressors are arcane things to me, and the SC started with an R12 model that required the separate oil charge and all. I believe 95 or perhaps 94 was the changeover to the R134a, and some early ones have been converted. Good luck!




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Old 06-17-18, 09:41 AM
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Thank you. There are 2 sc400 carcasses at the local picknpulls, no sc3s. I figure, at 26yrs old, a salvaged one may give me problems down the line. I have a wholesale acct so I ordered one from the dealer. Wish me luck. Iíve had a rt regulator, both driver and pass door latch clips fail and now the ac clutch fail within a month. May just flip this car after this streak of misfortune.
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