2003 Dodge Truck without Tow Package Brake Controller Installation
(Other Years May Be the Same or Similar)
"Standard" Wire colors to the controller (Tekonsha and others):
|Installing a brake control unit isn't very difficult. Find the brake pedal, at the top is a the brake switch, (below) on this truck, we tapped into the white wire with brown strip (you can check with a12 volt tester to make sure this lights up when the brakes are applied, your wire color could be different!)
Under the hood, locate the fuse "trailer brakes" and remove it. With a normal 1/4" female spade, tap into the hot side, drill a small hole in the box so the wire will get out of the box, and run it to the "in " or "bat" on the circuit breaker.
On the "out" side of the breaker, connect two black wires, one to supply the power to the brake controller itself, and (optional) a 2nd battery feed to run to the trailer plug at the back of the truck. In the picture, this is the black wire.
The white wire (above) is supposed to be BLUE, but I had to use the wire I had, so it is white. As you can see, it simply connects from the wire under the dash, to the wire going to the back of the truck.
This is how it was wired:
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