2002 FORD F150 lock

4WD Systems (if equipped)
4WD (when you select the 4WD mode), uses all four wheels to power
itself. This increases traction, enabling you to drive over terrain and road
conditions that a conventional two-wheel drive vehicle can't.
Power is supplied to all four wheels
through a transfer case. On 4WD
vehicles, the transfer case allows
you to select 4WD when necessary.
Information on transfer case
operation and shifting procedures
can be found in theDriving
chapter. Information on transfer
case maintenance can be found in theMaintenance and specifications
chapter. You should become thoroughly familiar with this information
before you operate your vehicle.
Normal characteristics
On some 4WD models, the initial shift from two-wheel drive to 4x4 while
the vehicle is moving can cause some momentary clunk and ratcheting
sounds. This is the front drivetrain coming up to speed and the
automatic locking hubs engaging and is not cause for concern.
Sand
When driving over sand, try to keep all four wheels on the most solid
area of the trail. Avoid reducing the tire pressures but shift to a lower
gear and drive steadily through the terrain. Apply the accelerator slowly
and avoid spinning the wheels.
If you must reduce the tire pressure for whatever reason in sand, make
sure you re-inflate the tires as soon as possible.
Avoid excessive speed because vehicle momentum can work against you
and cause the vehicle to become stuck to the point that assistance may
be required from another vehicle. Remember, you may be able to back
out the way you came if you proceed with caution.
Driving
191

Descend a hill in the same gear you
would use to climb up the hill to
avoid excessive brake application
and brake overheating. Do not
descend in neutral, disengage
overdrive or manually shift to a
lower gear. When descending a
steep hill, avoid sudden hard
braking as you could lose control.
When you brake hard, the front
wheels can't turn and if they aren't
turning, you won't be able to steer.
The front wheels have to be turning in order to steer the vehicle. Rapid
pumping of the brake pedal will help you slow the vehicle and still
maintain steering control.
If your vehicle has anti-lock brakes, apply the brakes steadily. Do not
ªpumpº the brakes.
Driving on snow and ice
4WD vehicles have advantages over 2WD vehicles in snow and ice but
can skid like any other vehicle.
Should you start to slide while driving on snowy or icy roads, turn the
steering wheel in the direction of the slide until you regain control.
Avoid sudden applications of power and quick changes of direction on
snow and ice. Apply the accelerator slowly and steadily when starting
from a full stop.
Avoid sudden braking as well. Although a 4WD vehicle may accelerate
better than a two-wheel drive vehicle in snow and ice, it won't stop any
faster, because as in other vehicles, braking occurs at all four wheels. Do
not become overconfident as to road conditions.
Make sure you allow sufficient distance between you and other vehicles for
stopping as well as drive slower than usual and consider using one of the
lower gears. In emergency stopping situations, avoid locking of the wheels.
Use a ªsqueezeº technique, push on the brake pedal with a steadily increasing
force which allows the wheels to brake yet continue to roll so that you may
steer in the direction you want to travel. If you lock the wheels, release the
brake pedal and repeat the squeeze technique. If your vehicle is equipped
with a Four Wheel Anti-Lock Brake System (ABS), apply the brake steadily.
Do not ªpumpº the brakes. Refer to theBrakessection of this chapter for
additional information on the operation of the anti-lock brake system.
Driving
194

Never drive with chains on the front tires of 4WD vehicles without also
putting them on the rear tires. This could cause the rear to slide and
swing around during braking.
Tires, Replacement Requirements
4WD vehicles are equipped with tires designed to provide for safe ride
and handling capability.
Do not use a size and type of tire and wheel other than that originally
provided by Ford because it can affect the safety and performance of
your vehicle, which could lead to loss of vehicle control or roll over and
serious injury. Make sure all tires and wheels on the vehicle are of the
same size, type, tread design, brand and load-carrying capacity. If you
have questions regarding tire replacement, see an authorized Ford or
Lincoln/Mercury dealer.
If you nevertheless decide to equip your 4WD for off-road use with tires
larger than what Ford recommends, you should not use these tires for
highway driving.
If you use any tire/wheel combination not recommended by Ford, it may
adversely affect vehicle handling and could cause steering, suspension,
axle or transfer case failure.
Do not useºaftermarket lift kitsº or other suspension modifications,
whether or not they are used with larger tires and wheels.
These ªaftermarket lift kitsº could adversely affect the vehicle's handling
characteristics, which could lead to loss of vehicle control or roll over
and serious injury.
Tires can be damaged during off-road use. For your safety, tires that are
damaged should not be used for highway driving because they are more
likely to blow out or fail.
You should carefully observe the recommended tire inflation pressure
found on the safety compliance certification label attached to the left
front door lock facing or door latch post pillar. Failure to follow tire
pressure recommendations can adversely affect the way your vehicle
handles. Do not exceed the Ford recommended pressure even if it is less
than the maximum pressure allowed for the tire.
Driving
195

Installing the snowplow
Removing the blocker beam without installing snowplow
attachment hardware may affect air bag deployment in a crash.
Do not operate the truck unless either the blocker beam or snowplow
attachment hardware is installed on the vehicle.
Read the following instructions before installing a snowplow:
²Front GAWR must not exceed 63% of the GVW. Add ballast weight to
the back of the vehicle, if necessary. Refer to the Safety Compliance
Certification Label to find Front GAWR.
²The Front Axle Accessory Reserve Capacity and the Total Accessory
Reserve Capacity listed on the bottom right of the Safety Compliance
Certification Label will determine whether or not the addition of a
snowplow will overload your vehicle.
²The weight of the snowplow and supporting components distributed to
the front axle must not exceed the front accessory reserve capacity.
²The total weight of the snowplow and aftermarket equipment must
not exceed the Total Accessory Reserve Capacity.
²The weight of the installed snowplow and aftermarket equipment must
not load the vehicle beyond the GAWR (front/rear) and GVWR listed
on the Safety Compliance Certification Label.
²The total weight of the snowplow and aftermarket equipment must be
considered part of the payload and must not exceed the Gross
Combined Weight Rating (GCWR) for towing.
²Federal and most local regulations require additional exterior lamps
for snowplow-equipped vehicles. Consult your dealer for additional
information.
²After installing a snowplow to the vehicle, ensure the vehicle's front
toe alignment and front ride height are within specification (reset if
required). These specifications are located in the vehicle's Workshop
Manual. Adherence to the toe, tire pressures and ride height
specification is important for proper tire wear, ride, handling and
headlight aim. Also, maintain the engine oil and transmission fluid
change intervals following the severe duty schedule.
Do not exceed the GVWR or the GAWR specified on the
certification label.
Driving
207

GETTING ROADSIDE ASSISTANCE
To fully assist if you should have a vehicle concern, Ford Motor Company
offers a complimentary roadside assistance program. This program is
separate from the New Vehicle Limited Warranty. The service is available:
²24±hours, seven days a week
²for the Basic warranty period (Canada) or New Vehicle Limited
Warranty period (U.S.) of three years or 60 000 km (36 000 miles),
whichever comes first on Ford and Mercury vehicles, and four years or
80 000 km (50 000 miles) on Lincoln vehicles
Roadside assistance will cover:
²changing a flat tire
²jump-starts
²lock-out assistance
²limited fuel delivery*
²towing of your disabled vehicle to the nearest Ford Motor Company
dealership, or your selling dealer if within 25 kms (15.5 miles) of the
nearest Ford Motor Company dealership (one tow per disablement).
Even non-warranty related tows, like accidents or getting stuck in the
mud or snow, are covered (some exclusions apply, such as impound
towing or repossession).
* Canadian customers refer to yourRoadside Assistance supplement
for exact fuel amounts.
USING ROADSIDE ASSISTANCE
Complete the roadside assistance identification card and place it in your
wallet for quick reference. In the United States, this card is found in the
Owner Guide portfolio in the glove compartment in Ford vehicles and is
mailed to you if you own a Mercury or Lincoln. In Canada, the card is
found in the Roadside Assistance book in the glove compartment.
U.S. Ford or Mercury vehicle customers who require roadside assistance,
call 1±800±241±3673; Lincoln vehicle customers call 1±800±521±4140.
Canadian customers who require roadside assistance, call
1±800±665±2006.
If you need to arrange roadside assistance for yourself, Ford Motor
Company will reimburse a reasonable amount. To obtain reimbursement
information, U.S. Ford or Mercury vehicles customers call
1-800-241-3673; Lincoln vehicle customers call 1±800±521±4140.
Roadside Emergencies
210

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
5 15A Speed Control Module, Reverse
Lamp, Climate Mode Switch,
Daytime Running Lamp Relay,
Digital Transmission Range (DTR)
Sensor
6 5A Cluster, Brake Shift Interlock
Solenoid, GEM Module
7 Ð Not Used
8 5A Radio, Remote Entry Module,
GEM Module, In-vehicle
entertainment system (SuperCrew
only)
9 Ð Not Used
10 Ð Not Used
11 30A Front Washer Pump Relay, Wiper
Run/Park Relay, Wiper Hi/LO
Relay, Windshield Wiper Motor
12 Ð Not Used
13 20A Stop Lamp Switch (Lamps),
Turn/Hazard Flasher
14 15A Battery Saver Relay, Interior
Lamp Relay
15 5A Stop Lamp Switch, (Speed
Control, Brake Shift Interlock),
GEM Module, RABS Module
16 20A Headlamps (Hi Beams), Cluster
(Hi Beam Indicator)
17 Ð Not Used
18 5A Instrument Illumination (Dimmer
Switch Power)
19 Ð Not Used
20 5A Audio, GEM Module, Powertrain
Control Module (PCM),
Transmission Range Sensor
Roadside Emergencies
215

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
21 15A Digital Transmission Range (DTR)
Sensor, Clutch Switch, Starter
Relay, I/P fuse 20
22 10A Air Bag Module, Passenger Airbag
Deactivation Module
23 10A Trailer Tow Battery Charge Relay,
Turn/Hazard Flasher, 4x4
Solenoids, 4x4 Relays, Overhead
Console, 4 Wheel Anti-Lock Brake
System (4WABS) Module, EC
Mirror, Heated Seats
24 10A Function Selector Switch
Assembly
25 Ð Not Used
26 10A Right Side Low Beam Headlamp
27 5A Foglamp Relay and Foglamp
Indicator, Main Light Switch
(upstream)
28 10A Left Side Low Beam Headlamp
29 5A Autolamp Module, Transmission
Overdrive Control Switch, Central
Security Module,Belt Minder
30 30A Passive Anti Theft Transceiver,
Cluster, Ignition Coils, Powertrain
Control Module Relay, Coil on
Plugs, Radio Noise Capacitor, ECC
Diode
31 Ð Not Used
Relay 1 Ð Interior Lamp Relay
Relay 2 Ð Battery Saver Relay
Relay 3 Ð Not Used
Relay 4 Ð One Touch Down Window Relay
Relay 5 Ð ACC Delay Relay
Roadside Emergencies
216

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
3 30A* Main Light Switch, Headlamp
Relay, Multifunction Switch
4 Ð Not Used
5 20A* Trailer Tow Backup/Park Lamps
6 15A* Main Light Switch, Park Lamp
Relay
7 20A* Horn
8 15A* Power Door Locks, CSM, Lock
Relays
9 15A* Daytime Running Lamps (DRL),
Fog Lamps
10 20A* Fuel Pump
11 20A* Alternator Field
12 20A* Rear Auxiliary Power Point
13 15A* A/C Clutch
14 Ð Not Used
15 10A Running Board Lamps
16 Ð Not Used
17 Ð Not Used
18 15A* Powertrain Control Module, Fuel
Injectors, Fuel Pump Relay, Mass
Air Flow Sensor
19 10A* Trailer/Camper Adapter (Right
Stop and Right Turn Lamp)
20 10A* Trailer/Camper Adapter (Left Stop
and Left Turn Lamp)
21 Ð Not Used
22 Ð Not Used
23 15A* HEGO Sensor, Automatic
Transmission
24 Ð Not Used
101 30A** Trailer Tow Battery Charge
Roadside Emergencies
218