Medium and Heavy Trucks
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Hi, I’m Wayne.
I will be assisting you with this issue today.
the brake light switch should be on the brake valve on the engine side of the firewall. It looks kinda like an oil pressure switch, just threaded into the brake valve block
I hope this helps you
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Found at the top of the screen before you leave today.
If you need more assistance, please use the reply box and let me know.
Let me look again
here is the bodybuilder diagram
look at the middle left they show 2 of them
Sorry the ones I knew is where I told you
you just need to follow wires and parts showing close to the ECM
Yes I am sorry I do not have more info for you
I am going to send this to 2 other experts, my buddies see if they have more input
I will let them know
Where was it ??
now just replace it