Pin Number Function Wire Color5 Right Rear Position, Side Marker Lights, andRear Registration Plate Illumination Device.
b
Brown
6 Stoplights Red
7 Left Rear Position, Side Marker Lights, and
Rear Registration Plate Illumination Device.
b
Black
8 Reverse lights Red/Black
9 Permanent Power Supply (+12V) Brown/White
10 Power Supply Controlled by IgnitionSwitch (+12V) Red
11
a
Return for Contact (Pin) 10 White
12 Reserve for Future Allocation Red/Blue
13
a
Return for Contact (Pin) 9 White
Note: The allocation pin 12 has been changed from
“Coding for coupled Trailer” to “Reserve for Future
Allocation.”
aThe three return circuits shall not be connected
electrically in the trailer.bThe rear position registration plate illumination device
shall be connected such that no light of the device has a
common connection with both pins 5 and 7. TOWING TIPS
Before setting out on a trip, practice turning, stopping,
and backing up the trailer in an area located away from
heavy traffic.
Manual Transmission
If using a manual transmission vehicle for trailer towing,
all starts must be in FIRST gear to avoid clutch slippage.
Electronic Speed Control – If Equipped
Do not use in hilly terrain or with heavy loads.
When using the speed control, if you experience speed
drops greater than 10 mph (16 km/h), disengage until you
can get back to cruising speed.
Use speed control in flat terrain and with light loads to maximize fuel efficiency.Cooling System
To reduce potential for engine and transmission over -
heating, take the following actions: City DrivingWhen stopped for short periods, shift the transmission
into NEUTRAL and increase engine idle speed. Highway DrivingReduce speed. Air ConditioningTurn off temporarily.
181
KNOWING
YOURVEHICLE SAFETYSTARTING ANDDRIVINGWARNING
LIGHTS AND
MESSAGES
IN AN
EMERGENCY
SERVICING AND
CARETECHNICAL
SPECIFICATIONSCONTENTS