Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
4 30A* Trailer tow turn/stop lamps (combined)
Trailer tow turn lamps (separate)
5 — Not used
R1 — Trailer tow ABS relay (non electric trailer
brake vehicles only)
R2 — Trailer tow marker lamp relay
R3 — Trailer tow stop lamp relay
R4 — Trailer tow tail lamp relay
R5 — Not used
R6 — Not used
R7 — Trailer tow left turn lamp relay
R8 — Trailer tow right turn lamp relay
*Maxi fuse
Inline Fuses
Your vehicle may have several inline fuses located in, or on, the battery
cables located in the battery box (depending on application).
• All vehicles equipped with an Allison transmission have a 10 amp fuse
located in the clean power cables located in the battery box.
• All vehicles have a 30 amp fuse located in the clean power cables
located in the battery box.
• All vehicles equipped with an Eaton transmission have a 30 amp fuse
located in the clean power cables located in the battery box.
• All vehicles equipped with hydraulic brakes have a 40 amp fuse
located in the clean power cables located in the battery box. In
addition, another 30 amp fuse is located in a fuse holder just above
the power distribution center located in the vehicle’s engine
compartment.
Fuses 203
2013 F-650/750 (f67)
Owners Guide gf, 2nd Printing, March 2013
USA (fus)