The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
1 HC Micro Relay Powertrain control module (PCM)
2 HC Micro Relay Starter solenoid
3 HC Micro Relay Wiper
4 HC Micro Relay Trailer tow battery charge
5 HC Micro Relay Fuel pump
6 HC Micro Relay Trailer tow park lamp
7 HC Micro Relay Upfitter #4
8 HC Micro Relay Upfitter #3
9 HC Micro Relay Modified vehicle and stripped
chassis run/start
10 — Not used
11 — Not used
12 40A** Modified vehicle and stripped
chassis run/start
13 30A** Starter solenoid relay
14 40A** Run start relay
15 40A** Modified vehicle and stripped
chassis battery
16 50A** Auxiliary A/C blower
Roadside Emergencies
222
2012 Econoline(eco)
Owners Guide, 1st Printing
USA(fus)
