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When I hook up to a trailer all running lights and left turn signal works but not right one. Anyone know where that fuse might be? I already checked if there's power to the cable and pig tail on back and no power for right turn signal. Here's a pic of back of fuse box. Thanks

Mitchell shows it as a shared fuse for left and right. Here is the mitchell diagrams for exterior lights. Fig 7 is the turns for trailer. https://mega.nz/file/LmJVRAyI#CCtg_e3d2m..._vYTeAysDs

(10-09-2022 )windowrattler Wrote: [ -> ]Mitchell shows it as a shared fuse for left and right. Here is the mitchell diagrams for exterior lights. Fig 7 is the turns for trailer. https://mega.nz/file/LmJVRAyI#CCtg_e3d2m..._vYTeAysDs

So TRLR Stop 30Amp D-6?

Thats what it appears. Is it a circuit breaker that is resetting when you go to left turn maybe?

I'll try it later on today when I hook up to trailer. Idk why they did this design. It's better when they have individual fuses

And is that the under hood box? A lot of the trucks the trailer wiring stuff is under hood. I don't really see the two relays for left and right turn in the cover you have a picture of that they show in the diagrams. Mitchell diagrams for heavy duty are ok but sometimes aren't accurate but it's the best I got.

Not sure but does that truck have a turn signal control module like the w900's do?

Do the turn signal work, when not plugged into trailer?