Holden Acadia Owner Manual (Holden-Localizing-Holden-12561773) - 2019 -
crc - 8/28/18
Driving and Operating
251
Trailer Wiring Harness
The trailer wiring harness, with a
7-pin connector is mounted on the
towbar.
1. Left Turn
2. Reverse Signal
3. Ground
4. Right Turn
5. Service Brakes (where fitted)
6. Brake Lamps
7. Rear Lamps, Clearance and
Side Marker
The seven-wire harness contains
the following trailer circuits:
Left Turn
Yellow
Reverse Signal
Black
Ground
White
Right Turn
Green
Service Brakes
(where fitted)
Blue
Brake Lamps
Red
Rear Lamps,
Clearance and
Side Marker
Brown
Tow/Haul Mode
For instructions on how to enter
Tow/Haul mode, see
.
Tow/Haul assists when pulling a
heavy trailer or a large or
heavy load.
Tow/Haul Mode is designed to be
most effective when the vehicle and
trailer combined weight is at least
75% of the vehicle's Gross
Combined Weight Rating (GCWR).
Tow/Haul Mode is most useful when
towing a heavy trailer or carrying a
large or heavy load:
.
through rolling terrain
.
in stop-and-go traffic
.
in busy parking lots
Operating the vehicle in Tow/Haul
Mode when lightly loaded or not
towing will not cause damage;
however, it is not recommended and
may result in unpleasant engine and
transmission driving characteristics
and reduced fuel economy.
Trailer Sway
Control (TSC)
Vehicles with Electronic Stability
Control (ESC) have a Trailer Sway
Control (TSC) feature.
Trailer sway is an unintended
side-to-side motion of a trailer while
towing. If the vehicle is towing a
trailer and the TSC detects that
sway is increasing, the vehicle
brakes are selectively applied at
each wheel, to help reduce
excessive trailer sway.
Summary of Contents for MY19 AC Acadia
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