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PAGE 4
WIRING THE CONTROLLER
1. Determine the harness style needed (CURT custom vehicle
harness or CURT universal splice-in pigtail harness)
Note: Removal of factory-equipped brake controls may require
a dealer to service the harness in order to function. Splice-in harnesses
may void warranty. Check owners manual for harness information.
2. Locate the vehicle plug and remove any anti-rattle foam. Remove
the dust cover and connect the CURT custom wiring harness. Route
the harness into the dash area, making sure the harness is out of
the way of any moving parts. Secure with the provided cable ties.
3. Check to see that your foot controls are un-obstructed by the harness.
4. Plug the harness into the brake controller.
Note: Some controllers will start right away and others need to have
the vehicle in the run position or running to power the brake controller.
WIRING
Disconnect the tow vehicle's negative battery terminal from its battery
post before beginning the installation process. Most trucks and utility
vehicles are equipped with a plug from the factory that allows quick
brake control installation. Check the vehicle owner's manual for plug
availability, location and installation. If the mating plug supplied with the
vehicle is no longer available, a CURT quick plug can be used. See the
CURT catalog for application information. For tow vehicles not equipped
with a factory brake control plug, we suggest purchasing the CURT
universal brake control wiring kit #51500.
Mount the 30-amp, auto-reset circuit breaker
as close to the battery as possible.
IMPORTANT: When passing wires through sheet metal, always
go through an existing grommet. If there is no grommet, install one
or use silicone sealant to protect the wires from sharp edges.
Insert two 10-gauge wires, one white and one black, from the mounted
brake control to the battery area. Using a ring terminal, connect the black
wire to the 'AUX' side of the 30-amp circuit breaker. Leave the white wire
to be connected later. Using a 10/12-gauge butt connector, attach the
black wire from the 'AUX' side of the 30-amp circuit breaker to the brake
control's black wire. Again using a 10/12-gauge butt connector, attach
the white wire from the battery area to the brake control's white wire.
Run a 10-gauge blue wire from the tow vehicle's trailer plug 'BRAKE'
terminal to the brake control. Using a 10/12-guage butt connector,
connect this wire to the brake control's blue wire.
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