they are in different locations on different trucks but the one common idea is that they are sticking into the space where air flows as a way to cool the coils that make up the resistance. So looking along the "shroud" where the blower is screwed on may turn up the pack.
If not found there, it may be on the big shroud that sticks forward and under the hood of the RV?
Knowing it is about the only thing on those shrouds/covers that has a plug and bunch of wires attached may be a good clue.
what it looks like is this as they are pretty much the same for a hundred years on all kinds of cars?
https://www.amazon.com/Resistor-Expl...a-858095651204
Usually the coils will be screwed into the space, so all you see is the plug and wiring with a couple screws to hold it in place. Easy to swap out once found----IF handy to reach!
This is not the right one, so shop for the correct one for your chassis as the speeds may not match for others!
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Richard
Why no RV year, make and floorplan on MY signature as we suggest for others?
I currently DO NOT have one!
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