Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/22/22
358
Driving and Operating
1. Left Turn/Brake
2. Taillamps
3. Reverse Lamps
4. Battery feed
5. Right Turn/Brake
6. Electric Brakes
7. Ground
If the vehicle is not equipped
with a trailer connector on the
trailer hitch, a seven-wire
trailering harness is tied to the
vehicles frame. The harness
requires the installation of a
trailer connector, which is
available through your dealer.
Use only a round, seven-wire
connector with flat blade
terminals meeting SAE J2863
specifications for proper
electrical connectivity.
The seven-wire harness
contains the following trailer
circuits:
Stop/Turn
Signal Left
Yellow/Gray
Stop/Turn
Signal Right
Green/Violet
Taillamps/
Parking
Lamps
Gray/Brown
or Brown
Reverse
Lamps
White/Green
or Gray
Battery Feed
Red/Green or
Orange
Ground
Black or
White
Electric
Trailer Brake
Blue
Electric Brake Control Wiring
Provisions
If equipped, four blunt-cut
wires are near the driver's
feet for an aftermarket
electric trailer brake controller
as part of the trailer wiring
package. The harness contains
the following circuits:
Electric
Trailer Brakes
Blue
Battery Feed
Red/Black or
Red/Blue
Brake Apply
Signal
White/Blue
Ground
Black or
White
Refer to the aftermarket
electric trailer brake controller
owner's manual to determine
wire color coding of the
electric trailer brake controller.
The wire colors on the brake
controller may be different
from the vehicle. It may be
necessary to have a technician
connect the 12-volt power to