Fuse/Relay
Location
Fuse Amp
Rating
Protected Circuits
17 50A** Trailer tow battery charge, Trailer
tow park feed
18 30A** Electric trailer brake, Trailer
brake controller
19 30A** Upfitter #1
20 30A** Upfitter #2
21 — Not used
22 — Not used
23 G8VA relay A/C clutch
24 G8VA relay Horn relay (stripped chassis)
25 HC Micro relay Run/start
26 — Not used
27 — Not used
28 20A* Back up lamp
29 10A* A/C clutch
30 10A* Brake on/off (BOO) switch
31 10A* Cluster battery (stripped chassis)
32 50A** Blower motor
33 40A** Anti-lock brake system (ABS)
pump
34 20A** Stripped chassis horn
35 40A** PCM relay
36 20A** Ignition switch (stripped chassis)
37 G8VA relay Trailer tow stop — left turn signal
38 G8VA relay Trailer tow stop — right turn
signal
39 G8VA relay Back up lamp
40 ISO relay Blower motor
41 — Not used
42 15A* Diagnostic connector (stripped
chassis)
43 20A* Fuel pump
Roadside Emergencies
223
2012 Econoline (eco)
Owners Guide, 1st Printing
USA (fus)