2010 JEEP GRAND CHEROKEE tow

Pin
Number Function Wire
Color
1 Left Turn Signal Black/ White
2 Rear Fog Light White
3
aGround/Common Return for Contacts (Pins) 1 and2and4to8 Brown
4 Right Turn Signal Black/ Green
5 Right Rear Position, Side Marker Lights, andRear Registration Plate Illumination Device.
b
Green/Red
Pin
Number Function Wire
Color
6 Stop Lights Black/ Red
7 Left Rear Position, Side Marker Lights, and Rear
Registration Plate Illumi- nation Device.
b
Green/Black
8 Reverse lights Blue/ Red
9 Permanent Power Sup- ply (+12V) Red
10 Power Supply Controlled by Ignition Switch(+12V) Yellow
11
aReturn for Contact (Pin) 10 Yellow/
Brown
12 Reserve for Future Allo- cation –
13
aReturn for Contact (Pin) 9 Red/
Brown
Note: The allocation pin 12 has been
changed from “Coding for coupled Trailer” to
“Reserve for Future Allocation.”
Pin
Number Function Wire
Color
aThe three return circuits shall not be con-
nected electrically in the trailer.
bThe rear position registration plate illumina-
tion device shall be connected such that no
light of the device has a common connection
with both pins 5 and 7.
Towing TipsBefore setting out on a trip, practice turning,
stopping and backing the trailer in an area
away from heavy traffic.
Automatic Transmission
The DRIVE range can be selected when tow-
ing. However, if frequent shifting occurs while in
this range, the TOW/HAUL mode (if equipped),
or a lower gear range, should be selected.
NOTE:
Using the TOW/HAUL mode (if equipped) or
selecting a lower gear range (using the Elec-
tronic Range Select (ERS) feature) while
operating the vehicle under heavy operating
conditions, will improve performance and
extend transmission life by reducing exces-13 - Pin Connector
249

sive shifting and heat buildup. This action
will also provide better engine braking.
The transmission fluid and filter should be
changed if you REGULARLY tow a trailer for
more than 45 minutes of continuous operation.
Refer to “Maintenance Schedule” for the proper
maintenance intervals.
NOTE:
Check the transmission fluid level before
towing (5.7L engine).
To help maintain a comfortable operating
temperature for your transmission, it is rec-
ommended that when towing a maximum
loaded trailer up steep grades with switch
backs, you should use the ERS function on
the transmission shifter to lock your vehicle
into first gear (5.7L Models Only).
Electronic Speed Control – If Equipped
Do not use in hilly terrain or with heavy loads.
When using the speed control, if you expe-rience 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
overheating, take the following actions:
City Driving
When stopped for short periods of time, shift
the transmission into NEUTRAL and increase
engine idle speed.
Highway Driving
Reduce speed.
Air Conditioning
Turn off temporarily.
Trailer Hitch Attaching Points
Your vehicle will require extra equipment to tow
a trailer safely and efficiently. The trailer tow
hitch must be attached to your vehicle using
the provided attaching points on the vehicle’s
frame. Refer to the following chart to determine
the accurate attaching points. Other equip-
ment, such as trailer sway controls and braking
equipment, trailer equalizing (leveling) equip-
ment and low profile mirrors, may also be
required or strongly recommended.
Trailer Tow Hitch Attaching Points And Overhang Dimensions
Fixed, Detach
and Retractable Hitch
A 1.85 ft. (565 mm)
B 2.09 ft. (636 mm)
C 2.32 ft. (707 mm)
D 2.4 ft. (733 mm)
E 1.62 ft. (494 mm)
F 1.47 ft. (447 mm)
G (Maximum Overhang) 3.59 ft. (1093 mm)
250

RECREATIONAL TOWING (BEHIND MOTORHOME, ETC.)
Towing This Vehicle Behind Another Vehicle
Towing Condition Wheel OFF the Ground Four-Wheel Drive ModelsFlat Tow NONE See Instructions
•
Transmission in PARK
• Transfer case in NEUTRAL (N)
• Tow in forward direction
Dolly Tow Front
NOT ALLOWED
Rear NOT ALLOWED
On Trailer ALL OK
NOTE:
Vehicles equipped with Quadra-Lift™ must be lowered to the “Park” (lowest) level, and have automatic leveling disabled, before tying them
down (from the body) on a trailer or flatbed truck. Refer to “Quadra-Lift™ – If Equipped” in “Starting and Operating” for more information. If the
vehicle cannot be lowered to the “Park” level (for example, engine will not run), tie-downs must be fastened to the axles (not to the body). Failure to follow these instructions may cause fault codes to be set and/or loss of proper tie-down tension.
251

Recreational Towing — Quadra–Trac
II /Quadra–Drive II Four-Wheel
Drive Models
The transfer case must be shifted into NEU-
TRAL (N) and the transmission must be placed
in PARK for recreational towing. The NEUTRAL
(N) selection button is adjacent to the transfer
case selector switch. Shifts into and out of
transfer case NEUTRAL (N) can take place with
the selector switch in any mode position.
CAUTION!
• Front or rear wheel lifts should not be used.
Internal damage to the transmission or
transfer case will occur if a front or rear
wheel lift is used when recreational towing.
• Tow only in a forward direction. Towing this
vehicle backwards can cause severe dam-
age to the transfer case.
• The transmission must be placed in PARK
for recreational towing.
(Continued)
CAUTION!(Continued)
• Before recreational towing, perform the
procedure outlined under “Shifting into
NEUTRAL (N)” to be certain that the trans-
fer case is fully in NEUTRAL (N). Other-
wise, internal damage will result.
• Failure to follow these procedures can
cause severe transmission and/or transfer
case damage.
• Do not use a bumper-mounted clamp-on
tow bar on your vehicle. The bumper face
bar will be damaged. Shifting Into NEUTRAL (N)
WARNING!
You or others could be injured if you leave the
vehicle unattended with the transfer case in
the NEUTRAL (N) position without first fully
engaging the parking brake. The transfer case
NEUTRAL (N) position disengages both the
front and rear driveshafts from the powertrain
and will allow the vehicle to move, even if the
transmission is in PARK. The parking brake
should always be applied when the driver is
not in the vehicle.
Use the following procedure to prepare your
vehicle for recreational towing.
CAUTION!
It is necessary to follow these steps to be
certain that the transfer case is fully in NEU-
TRAL (N) before recreational towing to pre-
vent damage to internal parts.
1. Bring the vehicle to a complete stop and
shift the transmission to PARK.
252

2. Turn OFF the ignition.
3. For vehicles with Keyless Enter-N-Go, re-
move the Keyless Enter-N-Go button and use
the key fob to complete this procedure. Refer to
“Starting Procedures/Keyless Enter-N-Go” in
“Starting and Operating” for further information.
4. Turn the ignition switch to the ON/RUN po-
sition, but do not start the engine.
5. Press and hold the brake pedal.
6. Shift the transmission into NEUTRAL.
7. Using the point of a ballpoint pen or similar
object, press and hold the recessed transfer
case N (Neutral) button (located by the selector
switch) for four seconds, until the light behind
the N symbol starts to blink, indicating shift in
progress. The light will stop blinking (stay on
solid) when the shift to N (Neutral) is complete.
A “FOUR WHEEL DRIVE SYSTEM IN NEU-
TRAL” message will display on the EVIC (Elec-
tronic Vehicle Information Center). Refer to
“Electronic Vehicle Information Center (EVIC)”
in “Understanding Your Instrument Panel” for
further information.8. Start the engine.
9. Shift the transmission into REVERSE.
10. Release the brake pedal for five seconds
and ensure that there is no vehicle movement.
11. Turn OFF the engine and leave the ignition
switch in the unlocked OFF position.
12. Firmly apply the parking brake.
13. Shift the transmission into PARK.CAUTION!
Damage to the transmission may occur if the
transmission is shifted into PARK with the
transfer case in NEUTRAL (N) and the engine
running. With the transfer case in NEUTRAL
(N) ensure that the engine is off prior to
shifting the transmission into PARK.
14. Attach the vehicle to the tow vehicle using
a suitable tow bar.
15. Release the parking brake.
16. Disconnect the negative battery cable, and
secure it away from the negative battery post.
NOTE:
• Steps 1 through 6 are requirements that
must be met prior to pressing the NEU-
TRAL (N) button, and must continue to be
met until the four seconds elapse and the
shift has been completed. If any of these
requirements are not met prior to press-
ing the NEUTRAL (N) button or are no
longer met during the four second timer,
then the NEUTRAL (N) indicator light will
Neutral Switch
253

flash continuously until all requirements
are met or until the NEUTRAL (N) button is
released.
• The ignition switch must be in the ON/
RUN position for a shift to take place and
for the position indicator lights to be op-
erable. If the ignition switch is not in the
ON/RUN position, the shift will not take
place and no position indicator lights will
be on or flashing.
• A flashing NEUTRAL (N) position indica-
tor light indicates that shift requirements
have not been met.
Shifting Out Of NEUTRAL (N)
Use the following procedure to prepare your
vehicle for normal usage.
1. Bring the vehicle to a complete stop, leaving
it connected to the tow vehicle.
2. Firmly apply the parking brake.
3. Reconnect the negative battery cable. 4. Turn the key fob to the LOCK/OFF position (if
it has been moved or the engine has been
started).
5. Turn the key fob to the ON/RUN position, but
do not start the engine.
6. Press and hold the brake pedal.
7. Shift the transmission into NEUTRAL.
8. Using the point of a ballpoint pen or similar
object, press and hold the recessed transfer
case N (Neutral) button (located by the selector
switch) for four seconds, until the light behind
the N symbol starts to blink, indicating shift in
progress. The light will stop blinking (go out)
when shift is complete. The “FOUR WHEEL
DRIVE SYSTEM IN NEUTRAL” message will no
longer be displayed on the EVIC (Electronic
Vehicle Information Center). Refer to “Elec-
tronic Vehicle Information Center (EVIC)” in
“Understanding Your Instrument Panel” for fur-
ther information.
NOTE:
When shifting out of transfer case NEUTRAL
(N), turning the engine OFF may be required
to avoid gear clash.
Neutral Switch
254

9. Shift the transmission into PARK.
10. Release the brake pedal.
11. Disconnect vehicle from the tow vehicle.
12. Start the engine.
13. Press and hold the brake pedal.
14. Release the parking brake.
15. Shift the transmission into DRIVE, release
the brake pedal, and check that the vehicle
operates normally.
16.
The Keyless Enter-N-Go button (if equipped)
may now be reinstalled if desired. Refer to “Start- ing Procedures/Keyless Enter-N-Go” in “Starting
and Operating” for further information.
NOTE:
•
Steps 1 through 7 are requirements that
must be met prior to pressing the NEU-
TRAL (N) button, and must continue to be
met until the shift has been completed. If
any of these requirements are not met
prior to pressing the NEUTRAL (N) button
or are no longer met during the shift, the
NEUTRAL (N) indicator light will flash
continuously until all requirements are
met or until the NEUTRAL (N) button is
released. •
The ignition switch must be in the ON/
RUN position for a shift to take place and
for the position indicator lights to be op-
erable. If the ignition switch is not in the
ON/RUN position, the shift will not take
place and no position indicator lights will
be on or flashing.
• A flashing NEUTRAL (N) position indica-
tor light indicates that shift requirements
have not been met.
255

6
WHAT TO DO IN EMERGENCIES
•HAZARD WARNING FLASHERS ................. 258
• IF YOUR ENGINE OVERHEATS .................. 258
• JACKING AND TIRE CHANGING ................. 259
• Jack Location .......................... 259
• Spare Tire Stowage ....................... 259
• Preparations for Jacking .................... 259
• Jacking Instructions ...................... 260
• JUMP-STARTING .......................... 262
• Preparations for Jump-Start .................. 262
• Jump-Starting Procedure ................... 263
• TOW EYES .............................. 264
• TOWING A DISABLED VEHICLE ................. 265
• Towing Without the Ignition Key Fob ............ 266
• Four-Wheel Drive Vehicles ................... 266
257