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Old 06-12-2024, 04:06 PM   #61
Montana Master
Join Date: Mar 2021
Location: Western NY
Posts: 525
M.O.C. #28430
Yours is the same as mine. Go back to the picture in post 51 with the red arrow pointing to the single blue wire connected to the black wire to the breakaway with the clear cap. Do not cut that one. It is the hot leg to the breakaway.
The two blue wires and the cold black from the breakaway are first picture in post 50.
Separate those 3 wires and test them with your meter. The black one will turn hot when you pull the breakaway cable, one of the blue wires, probably the light blue, will show voltage when you actuate the break controller in your truck. Don’t step on the brake, do it by hand, some trucks don’t send power to the brakes when not moving. The other blue of those two is the trailer brakes. That’s the one that is not needed anymore once you have disc brakes.
Go back and re read the posts…You’ll get it.
Mark & Karen
2021 3121rl - slide toppers, cottage white, TST 507 TPMS, X-Factors, disc brakes
2021 F-350, 6.7L, SRW CC LB - B&W Companion, Bakflip cover
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