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yes i will probably just grab a few wiring harnesses from a local store and wire it up. needs to be fixed before i do anymore troubleshooting. But yes there seems to be a short. something is giving the S wire voltage when the brake lights or turn signals are on. the harness i found is a 12 pin plug that was on the drivers side near the brake booster. it was one of many connectors over there. but it was the only one with broken/bare wires.
My thought is the left turn/brake wire was shorting out on 1 of the NSS wires sending power to the S lug on the solenoid.
If you did not want to hit the JY 2-6 pin connectors in the above like would work. https://www.etrailer.com/Wiring/Hopkins/37995.html
Also any you get from the JY may be just as bad that 6 pin looks like someone cares when doing the work on the truck.
2-6 pins is how I would roll, little solder and heat shrink and call it done.
My .02
Dave ----
ps: Etrailer is easy to work with as I have gotten parts from them.