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06-10-2013, 06:41 PM
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#1
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Senior Member
Join Date: May 2008
Location: Just North of Detroit, a surprizingly great city
Posts: 380
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Basement Air Control Boards
My new to me 93 coach has basement A/Cs. I've read some about the boards burning up due to the high current loads going to the compressors and maybe the fan motors. I've been wonder if that is such a weak point has anyone considered putting an ac relay in the system between the boards and the motors. My systems are working great and I would like them to stay that way as long as possible.
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Jon and Alie Kabbe
Started with 77 Coach
Now have 39' 93 coach
2007 civic toad
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06-10-2013, 09:56 PM
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#2
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Senior Member
Join Date: Mar 2008
Location: Forest Ranch, Ca for the summer
Posts: 299
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Jon
The problem has usually been associated with loose connections. On mine there is a very small box on the compressor unit where the wires from the control box attach. Mine had 10Ga going from the chassis to this compressor connection box & with the other wires for the compressor & fan motor there is hardly room for the wire nuts. I had 12 GA going from the fuse panel to the control box, 12 GA going from the control box to a box by the compressor unit & the 10 GA from that box to the compressor. Because 10GA was so hard to work with & the limited room I changed the 10GA to 12 GA & it has stayed tight for 4 years.
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Gordon Hummel
1991 41.5' #266
8v92
2009 Pontiac Vibe GT Toad
Fulltime on the road
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06-11-2013, 01:34 PM
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#3
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Senior Member
Join Date: May 2008
Location: Just North of Detroit, a surprizingly great city
Posts: 380
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Gordon: Thanks for the insight. With your new wiring setup is there any need to regularly check to see that the wire nuts stay tight?
__________________
Jon and Alie Kabbe
Started with 77 Coach
Now have 39' 93 coach
2007 civic toad
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06-11-2013, 02:05 PM
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#4
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Senior Member
Join Date: Sep 2008
Location: Thibodaux, LA
Posts: 1,221
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I always tape up the wire nuts to make sure they won't come loose.
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06-11-2013, 02:49 PM
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#5
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Senior Member
Join Date: Mar 2008
Location: Forest Ranch, Ca for the summer
Posts: 299
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Quote:
Originally Posted by folivier
I always tape up the wire nuts to make sure they won't come loose.
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I can't believe tape would ever allow it to become loose.
__________________
Gordon Hummel
1991 41.5' #266
8v92
2009 Pontiac Vibe GT Toad
Fulltime on the road
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