2014 JEEP GRAND CHEROKEE wiring

WARNING!
Deployed air bags and seat belt pretensioners cannot
protect you in another collision. Have the air bags,
seat belt pretensioners, and the front seat belt retrac-
tor assemblies replaced by an authorized dealer im-
mediately. Also, have the Occupant Restraint Con-
troller (ORC) system serviced as well.
Maintaining Your Air Bag System
WARNING!
•Modifications to any part of the air bag system
could cause it to fail when you need it. You could
be injured if the air bag system is not there to
protect you. Do not modify the components or
wiring, including adding any kind of badges or
stickers to the steering wheel hub trim cover or the
upper right side of the instrument panel. Do not
modify the front bumper, vehicle body structure, or
add aftermarket side steps or running boards.
• It is dangerous to try to repair any part of the air
bag system yourself. Be sure to tell anyone who
works on your vehicle that it has an air bag system.
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THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 79

WARNING!(Continued)
•Do not attempt to modify any part of your air bag
system. The air bag may inflate accidentally or may
not function properly if modifications are made.
Take your vehicle to an authorized dealer for any
air bag system service. If your seat, including your
trim cover and cushion, needs to be serviced in any
way (including removal or loosening/tightening of
seat attachment bolts), take the vehicle to your
authorized dealer. Only manufacturer approved
seat accessories may be used. If it is necessary to
modify the air bag system for persons with dis-
abilities, contact your authorized dealer.
Air Bag Warning Light
You will want to have the air bags ready to
inflate for your protection in a collision. The
Air Bag Warning Light monitors the internal
circuits and interconnecting wiring associated
with air bag system electrical components. While the air
bag system is designed to be maintenance free. If any of
the following occurs, have an authorized dealer service
the air bag system immediately.
• The Air Bag Warning Light does not come on during
the four to eight seconds when the ignition is first
cycled to the ON/RUN.
• The Air Bag Warning Light remains on after the four to
eight-second interval.
• The Air Bag Warning Light comes on intermittently or
remains on while driving.
80 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE

Lower Front Fascia Removal:
1. Remove the seven quarter turn fasteners.
2. Starting on one side of the vehicle, disengage lowerfascia from the upper fascia. Grasp the portion inside
the wheel well. Pulling it downwards and toward you,
separate the tabs from the slots in the upper fascia.
3. Continue working your way across the vehicle, sepa- rating the remaining tabs from the slots in the upper
fascia.
NOTE: Do not allow the lower fascia to freely hang from
the tabs in the opposite corner as damage to lower and
upper fascia may result.
4. Store the lower fascia in a safe location. NOTE:
It is recommend to also remove the radar sensor
on vehicle equipped to Adaptive Cruise Control (ACC).
This radar sensor is specifically calibrated to your vehicle
and is not interchangeable with other radar sensors.
Radar sensor removal procedure (If equipped with
Adaptive Cruise Control [ACC]):
1. With the lower fascia removed, which provides access to the sensor and bracket, disconnect the wiring
harness from the sensor.
2. Using a suitable tool, disconnect the wire clip from the bracket.
3. Using a suitable tool, remove the two fasteners that hold the sensor bracket to the bumper beam.
NOTE: It is recommended to scribe location to assist in
reinstallation.
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4. Locate the protective connector on the rear of thebumper beam. NOTE:
Only models with the Off Road Package are
equipped with the a protective connector.
5. Remove the plug from the protective connector and install on the sensor.
6. Insert the wiring harness connector into the protective connector.
7. Store sensor and bracket in a safe place.
NOTE: All cruise control functions will be disabled when
the radar sensor is disconnected.
Radar sensor installation procedure (If equipped with
Adaptive Cruise Control [ACC]):
1. Disconnect the wiring harness connector from the protective connector on the bumper beam.
2. Remove plug from radar sensor and install in protec- tive connector.
1 — Inside Bumper Beam
2 — Protective Connector Location
3 — Sensor Bracket Fasteners
4 — Sensor Bracket
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3. Using the previously scribed marks, reinstall the radarsensor and bracket using the two fasteners.
NOTE: Some alignment may be required upon fascia
installation to align sensor with fascia.
4. Install the wiring harness connector into the radar sensor.
NOTE: If you receive a fault, see your authorized dealer
they may need to perform a sensor alignment.
Lower Front Fascia Installation (This will only work if
you have a helper. We suggest):
1. Starting at the center of the vehicle, engage a sufficient number of tabs to support the weight of the lower
fascia (typically one or two tabs) into the upper fascia.
2. Working your way outward, engage the tabs into the slots on one side of the vehicle. 3. Return to the center of the vehicle and repeat Step 2 to
the opposite side of the vehicle.
NOTE: •It may be necessary to apply additional force to
individual tabs to make sure they are fully engaged.
• Do not use any tools to apply additional force to the
tabs as damage to the upper and lower fascias may
result.
4. Reinstall the seven quarter turn fasteners.
Quadra-Lift™ — If Equipped
When off-roading, it is recommended that the lowest
useable vehicle height that will clear the current obstacle
or terrain be selected. The vehicle height should then be
raised as required by the changes in terrain.
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•Trailer brakes are recommended for trailers over
1,000 lbs (454 kg) and required for trailers in excess of
1,653 lbs (750 kg).
Towing Requirements — Trailer Lights And Wiring
Whenever you pull a trailer, regardless of the trailer size,
stoplights and turn signals on the trailer are required for
motoring safety.
The Trailer Tow Package may include a four- and seven-
pin wiring harness. Use a factory approved trailer har-
ness and connector.
NOTE: Do not cut or splice wiring into the vehicles
wiring harness.
The electrical connections are all complete to the vehicle
but you must mate the harness to a trailer connector.
Refer to the following illustrations.
Four-Pin Connector
1 — Female Pins 4 — Park
2 — Male Pin 5 — Left Stop/Turn
3 — Ground 6 — Right Stop/Turn
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3. Disconnect the electrical connector and replace thebulb.
CAUTION!
Do not touch the new bulb with your fingers. Oil
contamination will severely shorten bulb life. If the
bulb comes in contact with any oily surface, clean the
bulb with rubbing alcohol.
Front Turn Signal
1. Open the hood.
2. Turn the turn signal bulb one–quarter turn counter-clockwise to remove from housing.
3. Disconnect the electrical connector and replace the bulb.
CAUTION!
Do not touch the new bulb with your fingers. Oil
contamination will severely shorten bulb life. If the
bulb comes in contact with any oily surface, clean the
bulb with rubbing alcohol.
Front Fog Lamps
1. Reach through the cutout in the splash shield anddisconnect the wiring harness from the fog lamp
connector.
2. Firmly grasp the bulb by the two latches and squeeze them together to unlock the bulb from the back of the
front fog lamp housing.
3. Pull the bulb straight out from the keyed opening in the housing.
620 MAINTAINING YOUR VEHICLE

CAUTION!
•Do not touch the new bulb with your fingers. Oil
contamination will severely shorten bulb life. If
the bulb comes in contact with any oily surface,
clean the bulb with rubbing alcohol.
• Always use the correct bulb size and type for
replacement. An incorrect bulb size or type may
overheat and cause damage to the lamp, the socket
or the lamp wiring.
4. Align the index tabs of the front fog lamp bulb with the slots in the collar of the bulb opening on the back
of the front fog lamp housing.
5. Insert the bulb into the housing until the index tabs are engaged in the slots of the collar. 6. Firmly and evenly push the bulb straight into the lamp
housing until both tabs snap firmly into place and are
fully engaged.
7. Connect the wiring harness to the front fog lamp connector.
Rear Tail, Stop, and Turn Signal Lamps
1. Raise the liftgate.
2. Remove the two push-pins from the tail lamp housing.
3. Grasp the tail lamp and pull firmly rearward todisengage the lamp from the aperture panel.
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MAINTAINING YOUR VEHICLE 621