Battery Junction Box (BJB)
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For relay identification and locations, see Fig 1.
BATTERY JUNCTION BOX RELAY IDENTIFICATION
| RELAY DESCRIPTION |
|---|
| Reversing Lamp Relay |
| Trailer Tow Relay, Battery Charge |
| Trailer Tow Relay, Right Turn |
| Starter Relay |
| Trailer Tow Relay Left Turn |
| Run/Start Relay |
| Trailer Tow Relay Parking Lamp |
| Blower Motor Relay |
| Reductant Heated Relay (6.7L Diesel) |
| Rear Window Defrost Relay |
| A/C Clutch Relay |
| Front Wiper Relay |
| Fuel Pump (FP) Relay |
| PCM Power Relay |
BATTERY JUNCTION BOX FUSE IDENTIFICATION LEGEND
| Fuse | Amps | Circuits protected |
|---|---|---|
| F6 | - | Not used |
| F7 | 40 | Rear window defrost relay - without rear heated power sliding window |
| 50 | Rear window defrost relay - with rear heated power sliding window | |
| F8 | 30 | Passenger side front seat control switch |
| F9 | 30 | Driver side front seat control switch - without memory, Driver Seat Module (DSM) - with memory |
| F10 | - | Not used |
| F11 | - | Not used |
| F12 | 30 | Power window motor, driver side front - with Window One-Touch Up |
| F17 | 15 | Exterior rear view mirrors - heating element |
| F18 | - | Not used |
| F19 | - | Not used |
| F20 | - | Not used |
| F21 | - | Not used |
| F22 | 30 | Trailer Brake Control (TBC) module, Telematics module |
| F23 | 40 | Blower motor relay |
| F24 | - | Not used |
| F25 | 30 | Front wiper relay |
| F26 | 30 | Trailer tow relay parking lamp |
| F27 | 25 | Reductant heater relay - Diesel |
| F28 | - | Not used |
| F32 | - | Not used |
| F33 | 15 | Powertrain Control Module (PCM) |
| F34 (Gasoline) | 20 | Heated oxygen sensors, Mass Air Flow/Intake Air Temperature (MAF/IAT) sensor, Evaporative emission (EVAP) canister purge valve, Variable Camshaft Timing (VCT) solenoid 1 - 6.2L Variable Camshaft Timing (VCT) solenoid 2 - 6.2L Intake Manifold Tuning Valve (IMTV) - 6.8L |
| F34 (Diesel) | 15 | Turbocharger actuator, EGR cooler bypass valve solenoid, Turbocharger (TC) wastegate regulating valve solenoid, Reductant pump assembly, Reductant Purge Valve (RDPGV) |
| F35 | 10 | A/C clutch relay, Cooling fan - 6.2L, 6.7L Diesel |
| F36 (Gasoline) | 20 | Coil on Plugs, Ignition transformer capacitors |
| F36 (Diesel) | 15 | Mass Air Flow/Intake Air Temperature (MAF/IAT) sensor, Glow Plug Control Module (GPCM), NOx sensor module |
| F37 | 10 | Fuel pressure control valve - Diesel, Fuel volume control valve - Diesel |
| F39 | 10 | Constant Vacuum Hublock (CVH) solenoid |
| F40 | 15 | Transfer Case Control Module (TCCM) |
| F41 | - | Not used |
| F42 | - | Not used |
| F43 | - | Not used |
| F44 | - | Not used |
| F45 | 10 | Run / Start relay |
| F46 | 10 | Transmission Control Module (TCM) - Diesel |
| F47 | 10 | A/C clutch relay |
| F49 | 10 | Video camera |
| F50 | 10 | Blower motor relay |
| F51 | - | Not used |
| F52 | 10 | Powertrain Control Module (PCM), Transmission Control Module (TCM) - Diesel |
| F53 | 10 | Transfer Case Control Module (TCCM) |
| F54 | 10 | Anti-lock Brake System (ABS) module |
| F55 | 10 | Rear window defrost relay, Trailer tow relay, battery charge |
| F56 | 20 | Body Control Module (BCM) - F33, F34, F35, F36, F37, F41, F42 |
| F58 | - | Not used |
| F59 | - | Not used |
| F60 | - | Not used |
| F61 | - | Not used |
| F62 | - | Not used |
| F63 | - | Not used |
| F64 | - | Not used |
| F65 | - | Not used |
| F66 | 20 | Fuel Pump (FP) relay |
| F67 | - | Not used |
| F68 | 10 | Fuel Pump (FP) relay, Fuel Pump (FP) motor diode - Diesel |
| F69 | - | Not used |
| F70 | 10 | Reversing lamp relay |
| F71 | 10 | Evap canister vent control solenoid - Gasoline |
| F72 | 10 | PCM power relay, Powertrain Control Module (PCM) |
| F73 | - | Not used |
| F80 | - | Not used |
| F81 | - | Not used |
| F82 | 20 | Power point, instrument panel |
| F83 | 20 | Cigar lighter |
| F84 | 30 | Transfer Case Control Module (TCCM) |
| F85 | 30 | Dual climate controlled seat module |
| F86 | 25 | Anti-lock Brake System (ABS) module |
| F87 | 20 | Power point, consolette |
| F88 | - | Not used |
| F89 | 40 | Starter relay |
| F90 | 25 | Trailer tow relay, battery charge |
| F92 | 20 | Power point, console rear |
| F93 | 20 | Power point, console front |
| F94 | 25 | Upfitter relay 1 |
| F95 | 25 | Upfitter relay 2 |
| F96 | 50 | Anti-lock Brake System (ABS) module |
| F97 | 40 | DC/AC inverter module |
| F98 | - | Not used |
| F99 | - | Not used |
| F100 | 25 | Left turn trailer tow relay, Right turn trailer tow relay |