Fuse Box Informations | Cars


Ford F-550 1999 Fuse Box

Ford F-550 1999 Fuse Box Info


Passenger compartment fuse box location:

The fuse box is located below and to the left of the steering wheel by the brake pedal.


Engine compartment fuse box location:



Fuse Box Diagram | Layout


Passenger compartment fuse box:

Fuse/Relay N° Rating Functions
1 20A Electronic Flasher
2 5A Instrument Cluster, Powertrain Control Module (PCM) Keep Alive Memory
3 20A Cigar Lighter, OBDII
4 10A Glove Box Lamp, Map Lamps, Power Mirrors, Underhood Lamp
5 - Not used
6 - Not used
7 5A Power Window Lock Switch Illumination
8 5A Radio, Headlamp Switch Illumination
9 - Not used
10 - Not used
11 10A Washer Pump, Wiper Run/Park Relay Coil, Wiper Hi/LO Relay Coil, Washer Pump Relay Coil
12 15A Horn
13 20A Stop Lamps, Center High-mount Stop Lamp, Trailer Tow Stop Lamp
14 10A Dome Lamp, Cargo Lamp, Courtesy Lamps
15 5A Generic Electronic Module (GEM), Powertrain Control Module (PCM), Anti-lock Brake System (ABS) Module, Brake Shift Interlock, Speed Control
16 15A Instrument Cluster, Hi-beam Headlamps
17 - Not used
18 - Not used
19 10A Auxiliary Powertrain Control Module (APCM) (Diesel only), Instrument Cluster, GEM Module, Overdrive Cancel Switch, Idle Validation Switch (Diesel only), Overhead Console
20 15A Starter Motor Relay Coil, PCM (Gasoline only)
21 - Not used
22 10A Air Bag Module, Passenger Air Bag Activation Switch, Blower Motor Relay Coil
23 10A Electronic Flasher
24 10A Blend Door Actuator, Trailer Tow Battery Charge Relay Coil
25 5A 4-Wheel Anti-Lock Brake System (4WABS) Module
26 - Not used
27 10A Ignition Run Power Feed (Customer Access)
28 10A Brake Shift Interlock, DRL Relay Coil, Speed Control Module, Backup Lamps, Trailer Tow Backup Lamp Relay Coil, Electronic Shift On The Fly Hub Lock Solenoid
29 5A Instrument Cluster (Charge and Airbag Warning Lamps)
30 30A PCM Relay Coil, Ignition Coil (Gasoline only), Fuel Heater (Diesel only), Wastegate Solenoid (Diesel only), Injector Driver Module Relay Coil (Diesel only)
31 - Not used
RELAY 1   Interior lamp relay
RELAY 2   Not used
RELAY 3   Horn
RELAY 4   Power Window One Touch Down Relay
RELAY 5   Accessory Delay Relay


Engine compartment fuse box:

Fuse/Relay N° Rating Functions
1 7.5A Trailer Tow Left Stop/Turn Lamp
2 10A Air Bag Module
3 7.5A Trailer Tow Right Stop/Turn Lamp
4 20A Trailer Tow Backup Lamps, Trailer Tow Park Lamps

20A (Gasoline only)

5A (Diesel only)

Gasoline only-PCM, Two Speed Fuel Pump Relay Coil, Fuel Pump Relay Coil, Mass Air Flow Sensor, Fuel Injectors

Diesel only-Dual Alternator "A" Field


- (Gasoline only)

10A (Diesel only)

Gasoline only-Not Used

Diesel only-Single or Dual Alternator "A" Field, Regulator


20A (Gasoline only)

5A (Diesel only)

Gasoline only-Vapor Managment Valve, HEGO Sensors, Intake Manifold Communication Control, EVR Solenoid, PCM, Canister Vent Solenoid

Diesel only-Dual Alternator "A" Field

8 15A Trailer Tow Electronic Brake Illumination, Park Lamps, Trailer Tow Park Lamp Relay Coil
9 10A Left Headlamp
10 25A Power Point
11 10A Right Headlamp (Low Beam)
12 10A Daytime Running Lamps (DRL) Resistor
13 30A Multi-function Switch, Headlamps
14 60A Anti-Lock Brake System
15 30A Windshield Wiper Motor
16 30A Trailer Tow Battery Charge
17 30A Electronic Shift On The Fly Relay, Transfer Case Shift Motor
18 30A Power Seat
19 20A Fuel Pump Motor, PCM
20 50A Ignition Switch (B4 & B5)
21 50A Ignition Switch (B1 & B3)
22 50A Instrument Panel Junction Box
23 40A Blower Motor
24 30A Power Distribution Box
25 30A Power Windows
26 20A If equipped with Remote Keyless Entry-Driver Door Unlock Relay Coil, All Door Unlock Relay Coil, All Door Lock Relay Coil, Park Lamp Flash Relay, If not equipped with Remote Keyless Entry-Power Door Lock Motors

- (Gasoline only)

30A (Diesel only)

Gasoline only-Not Used

Diesel only-Injector Driver Module

28 30A Trailer Tow Electronic Brake Controller
29 20A Radio
30 - PCM Power Relay
31 - Blower Motor Relay
32 - Two Speed Fuel Pump Relay (Gasoline only), Injector Driver Module Power Relay (Diesel only)
33 - Washer Pump Relay
34 - Windshield Wiper Park/Run Relay
35 - Windshield Wiper HI/LO Relay
36 - Not used
37 - PCM Relay Diode
38 - Trailer Tow Backup Lamp Relay
39 - Trailer Tow Battery Charge Relay
40 - Electronic Shift On The Fly Relay #1, Electronic Shift On The Fly Relay #2

Related Vehicles

Ford Transit 2024 Fuse Box

Ford Puma 2024 Fuse Box

Ford Mustang Mach-E 2024 Fuse Box