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Old 05-21-2022, 07:15 PM   #1
Junior Member
Join Date: Jan 2021
Location: Chandler
Posts: 2
2018.5 S2RV chassis lights (side marker/tail) relay

Hi Everyone: I have a 2018.5 S2RV. I've been hunting for the relay that controls the outside chassis lights (side markers, tail lights, etc.) It isn't in the engine bay with all the other relay blocks (that I can tell...). I also heard it might be in the battery bay, can't find it there either. I even took all the batteries out and looked.

Any idea where it might be? The problem I am trying to solve is my outside driving lights turn off after about 20 minutes while I am driving down the road at night. Headlights, brake lights, turn all work. But no side markers or tail lights after 20 minutes. If I turn off the truck and turn it back on, the lights work for another 20 minutes.

Thanks for your help finding the relay
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Old 05-24-2022, 03:45 PM   #2
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Join Date: Jan 2021
Location: Chandler
Posts: 2
Update - It wasn't a relay, but a auto-reset circuit breaker. Found which one it was (located on the right hand side wall of the battery bay - green wire coming from it), and the side markers/tail lights are on the same circuit as the trailer. My short is in the trailer.
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