Blue Ox BX88287 User Manual
BX88275 thru BX88285 and BX88287
EZ Light Wiring Harness Kit
Installation Instructions
Required Parts and Tools
Installing the EZ Light
wiring harness system
requires basic hand-tool skills. Failure to
understand how to install or operate this product
could result in property damage and/or personal
injury.
Installation Instructions
Driver side = Left side Passenger side = Right side
1) Find a convenient location to mount the control box that will allow the wiring harness to easily reach
the left and right tail lights. For instance, inside the spare tire well or behind an interior panel.
2) Gain access to the back of both the left and right tail light assemblies. This may be accomplished
from outside the vehicle or inside the vehicle depending on the make and model.
•Outside — remove the screws holding the tail light covers. Remove the covers and work the
taillight assemblies loose to expose the wiring.
•EZ Light Wiring Harness Kit
•Combination Wire stripper-crimper-cutter
•Screw drivers and/or wrenches and/or socket set
•Special tools to access the towed vehicle’s
taillight assemblies (depends on the vehicle.)
•Inside — remove the plastic or fabric covering the assemblies to expose the wiring.
3) Plug the the wiring harness into the controller.
4) Route the DRIVER side wiring harness (yellow and brown wires in a bundle) to the DRIVER side
tail light wiring. Route behind interior panels as practical.
5) Route the PASSENGER side wiring harness (green and brown wires in a bundle) to the
PASSENGER tail light wiring. Route behind interior panels as practical.
6) Route the 4-wire FLAT cable to the front of the vehicle. Wire tie every 8 inches to 12 inches as
necessary to insure good mechanical connection to vehicle frame.
Bwn
Yell Bwn
Grn
Yell/Blk
Bwn/Blk
Bwn/Blk
Grn/Blk
405-0263 Rev B Page 1 of 3 9/27/12
BX88275 thru BX88285 and BX88287
EZ Light Wiring Harness Kit
Installation Instructions
DRIVER SIDE Wiring
1) Unplug the tail light from vehicle wiring.
2) Insert the connector into mating tail light
connector.
3) Plug the vehicle wiring connector into the
remaining connector.
4) Neatly bundle and zip-tie slacked wires.
5) Carefully re-install the tail light assembly taking
care not to pinch wires or crimps.
6) Re-install any interior panels that were
removed for routing the harness to the driver
side.
1) Mount controller in an out of the way location.
Peel protective cover off the sticky foam on the
back of the controller and rmly press it in place.
The white wire with ring lug must be
attached to vehicle metal chassis otherwise the
controller will not operate correctly
PASSENGER SIDE Wiring
1) Unplug the tail light from vehicle wiring.
2) Insert the connector into mating tail light
connector.
3) Plug the vehicle wiring connector into the
remaining connector.
4) Neatly bundle and zip-tie slacked wires.
5) Carefully re-install the tail light assembly taking
care not to pinch wires or crimps.
6) Re-install any interior panels that were
removed for routing the harness to the
passenger side.
2) Route the 2-foot WHITE wire to a metal
chassis location. Drill a ¼ inch hole if neces-
sary to route wire to outside the vehicle. Strip
¼ inch insulation from wire end and crimp on
the ring terminal provided in the kit. Use the
self-tapping screw to attach the ring terminal
to chassis ground.
Test and Operation Guide
While towing a vehicle equipped
with a remote brake system, it will be necessary to turn on the RV tail lights to provide
power to the braking system.
Have another person assist you when checking the tow system lighting for proper operation.
TEST BEFORE TOWING
1) When you have your towed vehicle hitched
and ready to tow, make sure the towed vehicle
electrical (umbilical) cable is connected
between your towed vehicle and RV.
2) Have your assistant sit at the driver seat in the
RV.
3) While standing at the rear of the towed vehicle,
have your assistant switch on the RV running
lights.
4) Both the RV tail lights and the towed vehicle tail
lights will light.
5) Have your assistant press the brake pedal in
the RV. RV brake lights and towed vehicle
brake lights will brightly light.
On towed vehicles with SEPARATE
BRAKE AND TURN lights, the controller will light
both BRAKE and TURN lights together. THIS
IS AN ENHANCED FEATURE that gives your
towed vehicle higher visibility to those driving
behind you.
6) Have your assistant release the brake pedal.
7) Have your assistant turn on the driver side turn
signal. The driver side turn light on the RV will
blink along with the driver side brake light
(and separate driver side turn light) on the
towed vehicle.
8) Have your assistant turn on the right turn
signal. The right turn light on the RV will blink
along with the right brake light (and separate
right turn light) on the towed vehicle.
405-0263 Rev B Page 2 of 3 9/27/12
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