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 Post subject: 85 Bonneville A/C issues
PostPosted: Mon May 21, 2018 5:36 pm 
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Joined: Wed Sep 01, 2010 8:10 pm
Posts: 6
Year and Trim: 1985 Bonneville Base Model V6 3.8ltr
My A/C system keeps blowing the fuse when I turn it on. I feel I have it narrowed down to the A/C Clutch Cycle switch as when it is removed from the loop and I use a jumper wire on the wire harness that plugs into the switch the fuse does not blow and everything works. I have already replaced the switch with a new one and I get the same result. I have tried both an R12 version and an R134 version switch.

I'm at a loss for what the problem is. Bypassing the switch everything works. Hook it back up and I blow fuses.

Any ideas guys and gals?

1985 Bonneville V6


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PostPosted: Thu May 24, 2018 12:07 pm 
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Posts like an L67
Posts like an L67

Joined: Thu May 01, 2014 9:37 pm
Posts: 1277
Year and Trim: 1993 SLE
1998 SE
2001 SSEI
2002 SSEI
Maybe the problem is actually in the clutch coil itself.
To trace any short circuit or circuit overload, you really need a schematic, so you can locate all the wires and components involved in the circuit.


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PostPosted: Thu May 24, 2018 12:19 pm 
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Posts like an L67
Posts like an L67

Joined: Sun Aug 22, 2010 11:11 pm
Posts: 1588
Location: Ontario, Canada
Year and Trim: 2000 Bonniville SSEi L67
cant find a manual but first thing : is the fuse the correct value?

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poverty forces one to do unorthodox things

2000 SSEi
past rides:
1996 SSEi
1992 GTP
1987 Grand Am


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