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Old 08-23-2018, 08:13 PM   #1 (permalink)
mpjman
Diesel Apprentice
 
Join Date: Mar 2005
Location: NJ
Posts: 486

Brake pedal question

I just installed all the necessary components to use the brakes in my 08 Suburban. I connected the 2 wires to the 2 studs on the underhood fuse box, i put the 40amp fuse in and i spliced in the brake controller to my 4 wires in the truck. Everything works EXCEPT the brakes.
When i slide the switch on the controller, the brakes activate on the trailer, but when i press the brake pedal in the truck, nothing happens. I used a multi meter and checked the voltage on the brake (colored) wire under the dash and when i apply the brake, i get nothing,....no voltage.

any thoughts?


thanks much for any help you can offer

__________________
2005 2500HD Crew Cab /6 1/2' Bed/ 4 X4
Allison Auto trans
4" MBRP Cool Duals
Michelin 265 75 15 back on stock Rims
Hadley Bully horns
Pioneer AVIC-N1
Cobra CB and K40 whip
Fold a Cover cover
LED Cab lights
Led bed lights
factory fog lights
S&B filter
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