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Bypassing 2018 Chevy 3500 HD Silverado Factory Brake Controller

Question:

The factory trailer brake controller sucks. What do I have to disconnect to install after marked one?

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Expert Reply:

In order to bypass your factory installed controller and install an aftermarket brake controller like the Prodigy P2 Trailer Brake Controller, # 90885, with Plug-In Wiring Adapter, # 3016 you'll just need to make a few wiring connections.

You will then take a length of wire, # 10-1-1, and connect it to the blue wire you removed from the connector 3016.

Route the blue wire through the firewall, under the truck, and to the trailer connector. Avoid hot or moving parts like suspension and exhaust.

At the trailer connector, remove the wire in the 7 oclock position (looking at the back of the connector where the wires attach). Tape it up and stow it out of the way. Then attach the wire you ran to the 7 oclock position. This will bypass the factory controller without causing any dash lights/error messages to appear.

The 10-1-1 wire is sold in lengths of 1 foot. So if you needed 20 feet you would put 20 in the quantity box.

expert reply by:
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Jameson C

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