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Old 12-01-2020, 11:30 AM   #15
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Do you have a electric trailer brake controller in the RV ?

Also check the trailer plugin for rotted wiring crossing signals.
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Old 12-01-2020, 12:27 PM   #16
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I recently had this issue, and had many items replaced/etc and I found the simplest thing that, if I would have traced all of the wires could have saved months of aggravation to me (and all of those in our caravan that follow me, I lead because I have the lowest max speed due to toad vehicle, and largest unit so I have the RV GPS) and money. After replacing the obvious parts I started to trace down the wires, starting at the steering column. I found a connector under the dash, that I had seen many times, but never realized until I was looking at diagrams, there was a wire missing from one side of the connector. I took a flashlight and started looking around, and sure enough, I found a wire, that was on the diagram, that the wire and pin it was connected to had pulled out of the plastic connector.

Once I confirmed this wire color, and the pin location it was missing from, I pushed it back into the connector and taped the entire bundle of wires from the plastic connector up about 6 inches. Voila! My cruise now works. I can't believe that a: it was that simple but sometimes is, and b: that the wire could come out of the connector. Not sure how or why it did.

I know different types of coaches, but definitely work on tracing down every wire for the cruise system, starting at the switch all the way down the system, never know what you might find.
Matthew traveling with a spoiled CKCS, FMCA 527369
2006 Coachmen Encore 40TS, 3 slides, 330 CAT C7
2020 Lincoln Nautilus, AWD, 2.7 Twin Turbo V6
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Old 12-01-2020, 01:00 PM   #17
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Originally Posted by jessiejames7 View Post

So after about $2000 and back where I started, I'm burnt !!!!
$2000 just for bogus troubleshooting?

There is no cruise module or anything like that. If the PCM isn't "sending 12v" the engine wouldn't be running. The only unique parts to the cruise is really just the cruise switches. PCM always controls the electronic throttle on the engine, whether using the pedal input, or cruise switches.

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cruise control

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