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Old 06-21-2019, 12:29 PM   #1
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Question Auxillary Electric Cooling Fans

The aux. electric cooling fans on my 2002 Winnebago 2002 Adventurer 32V Workhorse (gas) motorhome have stopped engaging. Wondering what the common causes are and where to start looking.

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Old 06-21-2019, 01:23 PM   #2
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My 95 Chev 454 has a temperature sender on the passenger side head that controls the fan. You gotta heat it up pretty hot to get it to engage. The fan also comes on when the AC is turned on. Does yours?

First, I'd build some jumper wires and apply battery power to the fans to see if they work at all. If they do, it's likely the sender. See if you have power to the sender before you remove it.

2006 Monaco Safari Cheetah 40PMT
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Old 06-21-2019, 02:43 PM   #3
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Fans come on when (P30 chassis):

1. The AC pressure reaches ~ 225psi (not as soon as it's turned on)

2. Or when the coolant temp reaches approximately 221F

Wire each fan with jumper wires straight to the battery 12v. Do they turn on?
1994 Southwind Storm 28ft 7.4L TBI P-30
60,976 miles and counting...as of 07/12/2019
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cooling, electric, fan

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