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Check underdash fuse 13 again. Is your 3rd brake light on the rear of the cab working? If not, check to make sure that the Brake On/Off (BOO) Switch inder the dash on the brake pedal is closing when the brakes are applied. The wires will be a Light Green wire with Red trace coming from the fuse box and a Light Green wire going to the various circuits. If the switch is closing, you may need to check the multi-function switch on the steering column. Cheers!

 

My 3rd brake light is not working hazards and everything else are though. I really need some help figuring this out asap as i cannot drive it without brake lights

 

Are you getting brake light power to your rear trailer wiring? ( your 7 way trailer plug )

 

You need to find out if there is voltage at the Light Green/Red trace wire at the BOO switch connector. If there is, you need to check to see if the BOO switch is good (open when pedal not pressed, closed when pedal pressed). Post back with your findings 9we'll figure it out!). Cheers!

 

Lazy-man's test - drive the truck, engage the cruise and tap the brake pedal lightly. If the cruise disengages, then the BOO switch on the pedal arm is at least doing something. If not, and you have to mash the brakes further and it finally disengages, that's the added switch on the front of the M/C (the one involved in the recall) kicking in. That would also confirm that the BOO is most likely at fault.

 

I’m having the same issue as this guy but my green wire with orange tracer has no power. What do I do next?

 

What do I do next?

Put ALL your truck's details into your signature.

 

If the LG/R wire has no power, check underdash fuse 13. If there's no power there, check underhood fuse 13. Do your Hazards work? Cheers!