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Power distribution box
WARNING:Always disconnect the battery before servicing high
current fuses.
WARNING:To reduce risk of electrical shock, always replace
the cover to the Power Distribution Box before reconnecting the
battery or refilling fluid reservoirs.
Fuse/Relay
LocationFuse Amp
RatingFuse Description
1 15A* Main light switch
2 30A* Power seat (driver)
3 30A* Power seat (passenger)
4 15A* Windshield washer relay, Washer pump motor
5 5A* Brake warning switch
6 15A* Air intake heater (Caterpillar engine only)
7 15A* Brake pressure switches, Stoplamp relay
8 25A* Fuel heater relay
9 20A* Ignition switch, Starter cutoff
10 15A* Air tank moisture removal valve
503
502
501304
303
302 301
2119 22 2024
23401
207 201202 203204
209 206
208 205602
601118114
110106
102
117 113 109105
101
116 112 108104
115 111 107103
18 16
14 12 10 864
2
17 15
13 11 9 753
1
Roadside Emergencies
146
2010 F-650/750(f67)
Supplement(supplement), 1st Printing
USA(fus)
Page 147 of 274

Fuse/Relay
LocationFuse Amp
RatingFuse Description
11 30A* Electronic trailer brake
12 20A* Passenger compartment fuse box 5 and 21
13 — Not used
14 — Not used
15 — Not used
16 5A* Bendix Air ABS6
17 — Not used
18 10A* Fuel transfer pump
19 — Not used
20 — Not used
21 — Not used
22 — Not used
23 — Not used
24 — Not used
101 30A** Bendix Air ABS relay (Air brake vehicles
only)
Hydraulic brakes module (Hydraulic brake
vehicles only)
102 20A** Ignition switch
103 20A** Ignition switch, Passenger compartment fuse
box fuses 19, 29 and 30
104 20A** Power point
105 20A** Power door lock switches
106 30A** Main light switch, Multifunction switch
107 50A** Passenger compartment fuse box fuses 1, 2,
3, 4, 12, 13, 14 and 15
108 40A** Fuel heater relay
109 40A** Power window relay
110 30A** Windshield wiper relay
111 30A** Body builder relay, Parking lamps
112 40A** Blower motor relay, Blower motor
113 30A** Heated seats switches, Air ride seat
Roadside Emergencies
147
2010 F-650/750(f67)
Supplement(supplement), 1st Printing
USA(fus)
Page 148 of 274

Fuse/Relay
LocationFuse Amp
RatingFuse Description
114 — Not used
115 20A** Ignition switch, Passenger compartment fuse
box fuses 8, 9, 10 and 11
116 30A** Left/Right turn relays, Back-up lamp relay
117 20A** Stoplamps relay
118 60A** Hydraulic brake vehicles (Trailer tow package
only)
601 60A** Hydraulic brake vehicles (Trailer tow package
only), Air brake vehicles (Trailer tow package
only)
602 60A** Air brake trailer tow fuse block
30A** Hydraulic brake, ABS
201 — Windshield washer relay
202 — Wiper high/low relay
203 — Wiper run/park relay
204 — Windshield wiper relay
205 — Body builder relay, right turn
206 — Body builder relay, left turn
207 — ABS event relay (Air brake vehicles only)
— Stop lamp relay (Hydraulic brake vehicles
only)
208 — Body builder relay, back-up lamps relay
209 — Auxiliary stoplamp relay
301 — Fuel heater/transfer pump relay
302 — Body builder relay, parking lamps relay
303 — Blower motor relay
304 — ABS relay, Hydraulic modulator relay
* Mini fuse **Maxi fuse
Roadside Emergencies
148
2010 F-650/750(f67)
Supplement(supplement), 1st Printing
USA(fus)