The High-Current Fuses Are Coded As Follows - Ford 1999 F150 Owner's Manual

The high-current fuses are coded as follows.

Fuse/Relay
Location
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
101
102
Fuse Amp
Rating
25A * Power Point
30A* Powertrain Control Module
30A* Headlamps/Autolamps
15A* Air Suspension
20A* Trailer Tow Backup/Park Lamps
15A* Parklamps/Autolamps
20A* Horn
15A* Power Door Locks
15A* Daytime Running Lamps (DRL), Fog Lamps
20A* Fuel Pump
20A* Alternator Field
— Not Used
— Not Used
— Not Used
— Not Used
— Not Used
— Not Used
15A* Powertrain Control Module, Fuel Injectors,
Fuel Pump, Mass Air Flow Sensor
10A* Trailer Tow Stop and Right Turn Lamp
10A* Trailer Tow Stop and Left Turn Lamp
— Not Used
— Not Used
15A* Powertrain Control Module, HEGO Sensor,
Canister Vent
15A* Powertrain C ontrol Module, Automatic
Transmission, CMS Sensor
30A** Trailer Tow Battery Charge
50/20A** Four Wheel Antilock Brake Module/Rear
Wheel Antilock Brake Module
Roadside emergencies
Description
155