Ford F-650 Owner's Manual page 161

Trailer tow relays (if equipped)
Fuse/Relay Fuse Amp
Location Rating
1 30A*
2 30A*
3 30A*
4 30A*
5 —
R1 —
R2 —
R3 —
R4 —
R5 —
R6 —
R7 —
R8 —
*Maxi fuse
2012 F-650/750 (f67)
Supplement, 2nd Printing
USA (fus)
Roadside Emergencies
Description
Trailer tow ABS feed (non electric trailer
brake vehicles only)
Trailer tow park/marker lamps
Trailer tow stop lamps
Trailer tow turn/stop lamps (combined)
Trailer tow turn lamps (separate)
Not used
Trailer tow ABS relay (non electric trailer
brake vehicles only)
Trailer tow marker lamp relay
Trailer tow stop lamp relay
Trailer tow tail lamp relay
Not used
Not used
Trailer tow left turn lamp relay
Trailer tow right turn lamp relay
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