I found out the turn signal switch is not set up to run a brake light through.
So, I wired it the stock way so that it has a seperate brake/blinker. I used the combo light to run the parking lights.
Then, I picked up a cool gadget at the parts store that converts a five wire car/truck to a standard four wire plug for trailers.
So, I am able to get that installed so he can safely and correctly haul his trailer and still have full lights on the truck.
However, I did figure out I could have used a pair of normally closed relays with the diodes to make it go combo,...or, I could get a different turn signal switch in the column that would have done it as well.
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