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A little confused. The non working turn signals are on the trailers or, when connected to a trailer, it kills the truck’s turn signal?
Sounds like he's talking about the turn signal output from the 7 pin connector on the truck. I highly doubt there's a separate fuse for left and right, so maybe an actual wire issue. The outlet has a plug on the back. Could be it's become unseated partially.
I wasn't stating fact, glad someone knew the answer. Never had issues with my trailer plug to have to research it.
Learned from experience. My 2015 ED WAS not real picky. On 2019 electronics real sensitive. Every time I had truck running lights on and plugged in blew running light fuse ref trailer which is blue 20 amp cartridge fuse. I know to have truck off and lights off before plug in. Must have a slight bad ground somewhere. I just workaround it lol which made me research and learn WTF going on.
let's start here: are you using the 4 pin or 7 pin? I didn't think boat trailers used the 7 pin unless they have electric brakes.
He said in the OP that he got the same result with testers. Maybe it's a bigger boat that requires trailer brakes? My brother in law has a small boat on a trailer on my property and it uses a 4 pin,but it's a John boat with like a 10hp motor.
They are most certainly fused separately.
I get it, I said i doubted they were. I certainly never checked or had any issues with mine. I also never really looked at my fuses to know what all is in there. With the ****** weather we keep getting I'll never get around to installing my new front bumper or projector headlights.
I'm going to have to pull my camper out through a 4 ft snowbank at this rate also.
