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Old 02-01-2016, 12:19 PM   #1
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2004 30' Land Yacht 30 SL
Surprise , Arizona
Join Date: Feb 2016
Posts: 13
Cab air conditioner fan control

I have had to replace the cab air conditioner fan control twice and now it has failed again. The failure mode is only high speed with no lower speeds. Any suggestions other than replace the switch again or is there a way to be able to check voltages and trouble shoot backwards toward a connections or ??

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Old 02-01-2016, 04:58 PM   #2
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2000 31' Land Yacht
Central , Florida
Join Date: Aug 2007
Posts: 1,472
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Trace wires from back of unit, mine had a fuse on the passenger side left of the radiator. Don't know if they changed it when they switched to the workhorse chassis.

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Old 02-09-2016, 08:21 PM   #3
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2000 31' Excella
Ontario , Canada
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Posts: 166
Same on mine 2005 30 slide
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Old 02-09-2016, 09:03 PM   #4
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1972 31' Sovereign
1975 31' Excella 500
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Benton , Arkansas
Join Date: Mar 2013
Posts: 4,361
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Is it the switch or the resistor in the duct?

Brevi tempore!
The fact that I am opinionated does not presuppose that I am wrong......

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