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Old 06-24-2010, 08:41 AM   #1
Junior Member
Join Date: May 2009
Posts: 5
Aux Cooling Fan problem on 89 Holiday Rambler w/ P30 chassis

I have an 89 P30 Chassis with a 454 Chevrolet engine and one of the two auxiliary cooling fans stopped working. I have tested it and it is the fan which I believe also blew the fuse or possibly the relay. I suspect the fans came with the chassis when it was delivered, they look like a factory install. My questions are: Does anyone have an idea where the fuse and the relay might be for this unit? Even with warm coolant temperatures and the dash A/C on, no power goes to either fan circuit. I also wonder if anyone has a suggestion as to a replacement fan that would work in place of the stock unit. The fans are pushers and operate from the front side of the radiator.

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Old 06-24-2010, 11:44 AM   #2
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Workhorse Chassis Owner
Join Date: Jun 2003
Location: Palisade CO
Posts: 3,579
On my 95 P30 the relay was on the A/C plenum as I recall on the left side in the engine compartment.

What very well may have blown though is the fusible link wire.
On mine it was located on a junction block on the upper right side of the firewall in the engine compartment. I made a replacement with fusible link wire I got at a Chevy dealer. Take a piece of the old wire with you to get the correct diameter wire.
Clay WA5NMR - Ex Snowbird - 1 year, Ex Full timer for 11 years - 2004 Winnebago Sightseer 35N Workhorse chassis. Honda Accord toad.
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