Page 144 of 280
Fuse/RelayLocation Fuse Amp
Rating Fuse Description
Relay 2 — Not used
Relay 3 — Horn
Relay 4 — One-touch down window
Relay 5 — Not used
Power distribution box
Always disconnect the battery before servicing high current
fuses.
Fuse/Relay Location Fuse Amp
Rating Fuse Description
1 15A* Park lamps, Roof lamps
2 30A* Power seat (driver)
3 30A* Power seat (passenger)
4 15A* Washer pump
5 - Not used
6 15A* Air intake heater (Caterpillar engine only)
7 15A* Stoplamps (Air brake vehicles only)
2007 F-650/750 (f67)
Supplement
USA (fus)
Roadside Emergencies
144
Page 145 of 280

Fuse/Relay
LocationFuse Amp
RatingFuse Description
8 25A* Fuel heater (Caterpillar engine only)
20A* Fuel heater (6.0L Power Stroke engine only)
9 20A* Crank inhibit relay, Engine ECM, Cluster,
Transmission TCM, CJB Start, CJB Run
10 15A* Heated drain valve
11 30A* Electric trailer brake
12 20A* Daytime Running Lamps (DRL), Blend door
actuator, Climate mode, Back-up, Heated
seats, Trailer ABS, Exhaust brake
13 — Not used
14 — Not used
15 7.5A* Body builder prep/trailer socket stop (6.0L
Power Stroke engine only)
16 5A* ABS Run feed
17 — Not used
18 10A* Fuel transfer pump (duel fuel tanks only)
19 — Not used
20 10A* Engine ECM power relay (6.0L Power Stroke
engine only)
21 10A* Hydromax motor input to GEM
22 10A* Engine IDM2 logic power (6.0L Power Stroke
engine only)
23 — Not used
24 — Not used
101 30A** Bendix Air ABS relay (Air brake vehicles
only)
WABCO ABS modulator relay (Hydraulic
brake vehicles only)
102 20A** Body builder prep Run feed
103 20A** Ignition switch (Junction box fuses 8, 9, 10,
11, 19, 29, 30)
104 20A** Power point
2007 F-650/750(f67)
Supplement
USA(fus)
Roadside Emergencies
145
Page 146 of 280

Fuse/Relay
LocationFuse Amp
RatingFuse Description
105 20A** Power door locks
106 30A** Headlamps
107 50A** Junction box battery feed (1, 2, 3, 4, 12, 13,
14, 15)
108 40A** Fuel heater (Cummins engine only)
109 40A** Power windows
110 30A** Wiper power relay (Park, Low/High speed)
111 30A** Body builder prep - park lamps
112 40A** Blower motor
113 30A** Heated seats
114 25A** WABCO ABS battery feed (Hydraulic brake
vehicles only)
115 20A** Ignition switch, Central Junction Box fuses 8,
9, 10, 11, Starter motor relay
116 30A** Body builder prep - left/right turn relays,
Back-up lamps
117 20A** Body builder prep/trailer socket stop
(Caterpillar and Cummins engines only)
118 60A** Hydraulic brake trailer tow fuse block
119/120 60A** Hydraulic brake trailer tow fuse block
Air brake trailer tow fuse block
121/122 60A** HydroMax motor
Air brake trailer tow fuse block
201 — Washer pump relay
202 — Wiper speed relay
203 — Wiper run/park relay
204 — Wiper power relay
205 — RH stop/turn relay
206 — LH stop/turn relay
207 — Hydraulic ABS event relay
208 — Back-up lamps relay
2007 F-650/750(f67)
Supplement
USA(fus)
Roadside Emergencies
146