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Caterpillar 3208 Solutions This sub-forum is hosted by Mike Hohnstein who has been at this kind of thing for 50+ years now, guess I'm addicted. The saga has been all about progressively larger shop space since then. Honestly, never wanted to get into the CAT 3208's that were originally considered to be a throwaway engine but that's all that works in a FC in my world. Same thing with my Ford toter, that came with a NA, too much effort to hang in a 6, so been at it with the CAT V-8 for 20 years now. In reality you can get excellent life out of a CAT 3208 if it's built correctly. Post your questions about the CAT 3208 engines here and Mike will try to help you out.

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Old 08-31-2019
kunzelj's Avatar
kunzelj kunzelj is offline
Senior Member
Join Date: Jan 2008
Location: Oakville
Posts: 450

Is your fan not belt driven off the engine?

You are running your fan clutch with an external battery so it should not rely on any thermo switch or power from the bus chassis.
Jeff Kunzelman
Oakville, Manitoba, Canada
1988 FC-35SB 300HP/ZF (2016-current)
1978 GMC Royale 26' (2015-2016)
1982 FC-33SB 250HP (2007-2009)
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Old 08-31-2019
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Gatorgrl Gatorgrl is offline
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Join Date: Aug 2016
Location: Fort Myers
Posts: 2,388

Sorry if I confused anyone. I am confused myself. I was also working from his work computer, which is not that great and slow as molasses. He did add an override switch tonight. It is a belt driven fan with an electric clutch, like an a/c compressor.

Here's what I know:
With the key off, we have a good ground.
With the key on, no ground.
With engine running, no ground.

To get us home we removed all original wires, taped them and hide them, added a power switch (override) under the drivers seat and a new ground. On the way home he turned the fan on and I can tell you that is the first time I have ever heard that fan running since owning it! It was a new sound to us. Drove all the way home and it never got above 190, in traffic and 90 degrees outside. It was 98 degrees outside on the drive to the shop earlier, which is why the temp went over 200.
Dana (The Wanderer, Builder, Restorer)
Tony (The Grumpy Mechanic)

Lee County, Florida

1983 FC35 3208T "Gen X Express"
1991 Toyota 4Runner TOAD or
1980 Camaro TOAD

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Old 08-31-2019
Frank W. Frank W. is offline
Senior Member
Join Date: Jan 2008
Location: Woodbridge, VA.
Posts: 1,031

Great your home and can move if you have to. Does sound like a Facet unit now. Take a breather and get the wiring sorted later. Those temp sensors do go bad, as does old crimped wiring. Figure it out, plan the right way to fix it, test your fix, do it right and roll on.

Good night.
Frank W.
Woodbridge, VA.

Coach photos & comments: http://www.wanderlodgeownersgroup.co...php?albumid=79
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