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Kohler 4.5CKM21-rv controller wiring


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  #1  
Old 04-28-2019, 08:43:26 PM
RMcKay RMcKay is offline
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Default Kohler 4.5CKM21-rv controller wiring

Hi guys, new guy here with a bit of a conundrum. I've found the service manual online, but it doesn't have my particular version in it. Mine has a 228554 controller and all I can find show a 239396 circuit board. I've found a new 228554 on E-Bay for $499.99 but I'm not even sure that I need one. Does anyone out there have any kind of schematic or diagram for this thing that they would be willing to share? the serial # is 096641 and it's a spec 10111A. Thanks in advance, or3randy@gmail.com
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Old 04-29-2019, 08:37:45 AM
Kevin K Kevin K is offline
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Default Re: Kohler 4.5CKM21-rv controller wiring

The TP-5060 parts manual references your model and spec number, but it comes up with a part number of 241752 for the controller. I looked at the Ebay listing for the 228554 controller and they are asking $500 for three relays, a switch, and a couple of plugs? Wow, and I thought Onan was greedy.

Check the page I attached and see if the illustration looks like the controller you have.
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File Type: pdf Relay Controller.pdf (150.6 KB, 13 views)
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Old 04-30-2019, 05:51:21 PM
LWB250 LWB250 is offline
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Default Re: Kohler 4.5CKM21-rv controller wiring

The 239396 is a later circuit board used in the RV controller. The one you see on eBay is a conversion for the original solid state controller that was also used on these machines in the early models. Do note that the seller on eBay is a third party, NOT Kohler. However, that's not to say that Kohler wouldn't be charging an arm and a leg for it, too....

Either will work. Given the choice, I would opt for the three relay controller one, as it would be easier to troubleshoot and maintain.

But - the important question is "Why do you think you need a new controller?"

What's wrong with the unit?

Dan
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