Odds are good that the wiring is pretty much generic, but the plugs and shape is often different! So we might search out the wiring info but that still doesn't let you buy the right stuff to have the correct plugs to match what you find when you get there.
So you are not much better off than when you walked in!
One point that "may" help is handy enough to pass along, just in case? Winnebago does try to make it easier for us to sort things at times as they label many of the small wires.
One word of caution before getting too happy with that, is that we have to sort what is wiring added by Winnebago as the built the RV and what is wiring which comes built into some item they buy from others.
things like furnace thermostats, monitor panels, ceiling lights and radios often come with wiring already soldered/attached to them. when we pull a light off the ceiling, etc. We will often find 6-8 inches of wires that are already installed on the light. We have to pull that wiring out of the ceiling far enough to find where it is attached to Winnebago wires before we get the handy ID stamped on them!
Go here for the "decoder" chart:
https://www.winnebago.com/Files/File...ical_guide.pdf
Hit "CTRL and "f" to bring a dropdown to input the code as a way to speed down in the list. Sometimes good, sometimes it bring a list of 85 places, so not a help on avoiding scrolling!
When I put in "radio" it brings up a list of 29, so finding it on a wire may be the better way. But IF you do find a label, this may help sort things like battery and ground and be easier than testing or guessing? Some info on speaker wiring, seems to be there in some cases?
The list gives "from" and "to" locations as a clue to where the other ends might be found?
I took this info from this drawing set:
https://www.winnebago.com/Files/File...ram/Wiring.htm
I may not have chosen the exact RV as there are a couple choices? But once there, try checking automotive wiring diagram to go to the correct group for the radio as it is considered part of the "stripped chassis" wiring they buy before adding the Winnebago wires!
It may be a gold mine --- or a total bust!
Click this to see what may be helpful!
Scroll down to sheet 1 Frame 3 (S1F3) and top left corner?
Note each wire has the ID that should match to the decoder chart and give gauge and color as well as the pins? this shows how the Winn wiring is ID'd but meets the radio plug with no ID! Notice the wire ID for that one speaker? That is the ID to look up and somewhere on the 15 pin plug, there should be battery and ground as well!!!
If it's there, maybe a big help? OR maybe not there at all !!
Sometimes we have to look under lots of bushes before we find the golden Easter egg on this search!
I find it lots easier to know what wire I want BEFORE I crawl under the dash!
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