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Wire color designation for electric trailer brake
controller jumper harness.
WIRE COLOR NOTE
RED/GREEN Vehicle stop lamp switch
to trailer brake controller.
BLACK Brake controller ground
(-).
BROWN/WHITE Trailer brake controller
switched output.
RED/BLUE Trailer brake controller
illumination.
RED Fused trailer brake con-
troller battery feed (B+).
4. Peel off the tape and connect the jumper
harness to the connector
᭺
2
.
5. Release the parking brake.
6. Install the aftermarket electric trailer brake
controller according to the manufacturer’s
instructions.
Pre-towing tips
● Be certain your vehicle maintains a level
position when a loaded and/or unloaded
trailer is hitched. Do not drive the vehicle if it
has an abnormal nose-up or nose-down
condition; check for improper tongue load,
overload, worn suspension orother possible
causes of either condition.
● Always secure items in the trailer to prevent
load shift while driving.
● Keep the cargo load as low as possible in
the trailer to keep the trailer center of gravity
low.
● Load the trailer so approximately 60% of the
trailer load is in the front half and 40% is in
the back half. Also make sure the load is
balanced side to side.
● Check your hitch, trailer tire pressure, ve-
hicle tire pressure,trailer light operation, and
trailer wheel lug nuts every time you attach a
trailer to the vehicle.
● Be certain your rearview mirrors conform to
all federal, state or local regulations. If not,
install any mirrors required for towing before
driving the vehicle.
LTI0116
Technical and consumer information 9-25
੬ REVIEW COPY—
2010 Infiniti QX56 (iwz)
Owners Manual (owners)—USA_English (nna)
02/12/09—debbie
੭