Rear suspension dump valve....

Wouldn’t think it would be too much labor/cost.

 

Well depending. If your a fool like me, and have it done at the dealer it will.

I've got a peterbilt and paid $950... No, that's not a typo.

Theres a couple videos online showing how to do it, I would never pay to have it done again that's for sure.

I didn't expect it to be that much, couldn't believe when they gave me the bill that's for sure.

 

Theres a guy on YouTube named SuperTruckerDan who has a video showing how he did it.

He bought one of those Orange Outdoor Electrical cords and cut the ends off, and used that as the wiring. I believe he bought the toggle switch and buzzer off Amazon... Seems rather simple if you can find the time like you've said. Look his video up.

 

I wired a dump valve switch through a pigtail for a trailer - like said, just wiring to a solenoid.