1998 FORD F150 battery location

Fuse/Relay Location Fuse Amp Rating Description
14 15A Battery Saver Relay,
Interior Lamp Relay
15 5A Generic Electronic
Module (GEM)
16 20A Instrument Cluster
(W/O DRL), Daytime
Running Lamps (DRL)
Module, Hi-Beam
Headlamps (Power
supplied through
Multi-Function
Switch)
17 Ð Not Used
18 5A Park Lamp Relay,
Trailer Electronic
Brake Controller, Main
Light Switch, Trailer
Tow Run Relay, Front
Park/Turn Lamps,
License Lamps,
Stop/Park/Turn Lamps,
Tail/Side Marker
Lamps (Power
supplied through Main
Light Switch)
19 10A Instrument Cluster,
Air Bag Diagnostic
Monitor
20 5A Powertrain Control
Module (PCM),
Generic Electronic
Module (GEM)/Central
Timer Module (CTM)
Roadside emergencies
136

Fuse/Relay Location Fuse Amp Rating Description
21 15A Clutch Pedal Position
(CPP) Switch (W/O
RAP), Starter
Interrupt Relay
(W/RAP)
22 10A Air Bag Diagnostic
Monitor, Passive
De-Activation (PAD)
Module
23 10A Trailer tow Battery
Charge Relay, 4X4
Hub Solenoid, 4X2
Hub Solenoid, Flasher
Relay, Shift on the Fly
Relay
24 10A Blower Relay
25 5A 4 Wheel Anti-Lock
Brake System
(4WABS) Module,
4WABS Relay
26 10A Daytime Running
Lamps (DRL) Module,
Right Headlamp
27 5A Main Light Switch,
Fog Lamp Relay
28 10A Left Headlamp
29 5A Autolamp Module,
Instrument Cluster,
Transmission Control
Switch (TCS), Brake
Warning
Resistor/Diode
Assembly (W/RABS)
Roadside emergencies
137

Fuse/Relay Location Fuse Amp Rating Description
30 30A Radio Noise Capacitor,
Ignition Coil, PCM
Power Diode
31 Ð Not Used
Relay 1 Ð Interior Lamp Relay
Relay 2 Ð Battery Saver Relay
Not Used Ð Not Used
Relay 4 Ð One Touch Down
Relay
Relay 5 Ð ACC Delay Relay
Power distribution box
The power distribution box is
located in the engine
compartment. The power
distribution box contains
high-current fuses that protect
your vehicle's main electrical
systems from overloads.
Always disconnect the
battery before servicing
high current fuses.
Always replace the cover
to the Power Distribution
Box before reconnecting the
battery or refilling fluid
reservoirs.
Roadside emergencies
138

Fuse/Relay Location Fuse Amp Rating Description
4 15A* Rear Air Suspension
(RAS)
5 20A* Horn Relay
6 15A* Radio, Premium Sound
Amplifier, CD Changer
7 15A* Main Light Switch,
Park Lamp Relay
8 30A* Main Light Switch,
Headlamp Relay,
Multi-Function Switch
9 15A* Daytime Running
Lamps (DRL) Module,
Fog Lamp Relay
10 25A* Auxiliary Power
Socket
11 Ð Not Used
12 Ð Not Used
13 Ð Not Used
14 60A**/20A** 4 Wheel Anti-Lock
Brake System
(4WABS)
Module/Ignition Switch
(W/RABS Only)
15 50A** Rear Air Suspension
Compressor
16 40A** Trailer Tow Battery
Charge Relay, Engine
Fuse Module (Fuse 2)
17 30A** Shift on the Fly Relay,
Transfer Case Shift
Relay
18 30A** Power Seat Control
Switch
19 20A** Fuel Pump Relay
Roadside emergencies
140

Fuse/Relay Location Fuse Amp Rating Description
20 50A** Ignition Switch
21 50A** Ignition Switch
22 50A** Junction Box
Fuse/Relay Panel
Battery Feed
23 40A** Blower Relay
24 30A** PCM Power Relay,
Engine Fuse Module
(Fuse 1)
25 30A** Junction Box
Fuse/Relay Panel, ACC
Delay Relay
26 Ð Not Used
27 Ð Not Used
28 30A** Trailer Electronic
Brake Controller
29 Ð Not Used
*Mini fuses **Maxi
fuses
CHANGING THE TIRES
If you get a flat tire while driving,
do not apply the brake heavily.
Instead, gradually decrease your
speed. Hold the steering wheel
firmly and slowly move to a safe
place on the side of the road.
Spare tire information
Your vehicle is equipped with a
spare tire that may be used as a
spare or a regular tire. The spare
tire is not equipped with wheel
trim. The wheel trim from the
original wheel/tire may be used on
the spare.
Roadside emergencies
141

SERVICE RECOMMENDATIONS
To help you service your vehicle:
²We highlight do-it-yourself items
in the engine compartment for
easy location.
²We provide a ªService Guideº
which makes tracking routine
service easy.
If your vehicle requires
professional service, your
dealership can provide necessary
parts and service. Check your
ªWarranty Guideº to find out which
parts and services are covered.
Use only recommended fuels,
lubricants, fluids and service parts
conforming to specifications.
Motorcraft parts are designed and
built to provide the best
performance in your vehicle.
PRECAUTIONS WHEN
SERVICING YOUR VEHICLE
Be especially careful when
inspecting or servicing your
vehicle.
²Do not work on a hot engine.
The cooling fan is
automatic and may come
on at any time. Always
disconnect the negative terminal
of the battery before working
near the fan.
²When the engine is running, pay
attention loose clothing, jewelry
or long hair do not get caught
up in moving parts.
Maintenance and care
152