Kelsey Trailer Brake Wiring Diagram

Too much braking and the trailer.

Kelsey trailer brake wiring diagram. I have a kelsey energizer brake controller the wires aint mark what goes to what i have a blue one to the right i have attached a picture of a diagram of how brake controllers wire to tow vehicles. And the red wire connects to the cold side of the brake. The brake controller monitors the vehicle s brake pedal and deceleration rate and calculates the correct amount of braking power to deliver at the trailer. The blue wire carries the controller s output to the vehicle s trailer connector.

To the right i have attached a picture of a diagram of how brake controllers wire to tow vehicles. The trailer wiring diagram shows this wire going to all the lights and brakes. Without wiring the controller plug in the harness. The four wires control the turn signals brake lights and taillights or running lights.

The four wires on trailer brake controllers are standardized so they always connect in the same way. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes. The black wire connects to the battery positive terminal through a circuit breaker to deliver operating power to the controller. Go to my website and bmw forum.

The white wire is ground. If the wiring adapter you have is an aftermarket harness it should wire up color for color. It cannot operate more than four electric brakes. Refer to the wiring diagram in figure 4.

In 2011 kelsey currently produces in cab electronic brake controllers which have a similar set up to that of any other manufacturer s controllers. For vehicles without a trailer towing package. Assortment of electric trailer brake wiring schematic. It reveals the parts of the circuit as streamlined forms as well as the power and signal connections in between the gadgets.

As the name implies they use four wires to carry out the vital lighting functions. Kelsey brake controller wiring diagram you will find that every circuit has to have a load and every load has to have a power side and a ground side make certain that the transformer nameplate power is enough to supply the load that you re connecting the bulb has to be in its socket your light can be wired to the receiver and don t require. Installing a kelsey energize brake controller in your vehicle will provide power for your trailer s electric brakes. To be safe i would suggest using a circuit tester such as part 40376 to verify the connections.

The kelsey trailer brake controller works only in 12 volt vehicles and on single and twin axle trailers. Also it must connect with things if included that use the aux power and back up lights too. Some trailer builders just connect this wire to the frame then connect the ground from all the other lights and accessories to the frame as well. A wiring diagram is a streamlined conventional pictorial representation of an electric circuit.