UNDERHOOD Fuse-Relay Center
UNDERHOOD FUSE BLOCK CENTER IDENTIFICATION (1 OF 3)
| Feed | Usage |
|---|---|
| AUX B | Upfitter Battery Feed |
| AUX A | Upfitter Accessory Feed |
UNDERHOOD FUSE BLOCK CENTER IDENTIFICATION (2 OF 3)
| Relays | Usage |
|---|---|
| A/C Relay (Rear Heat and A/C) | Rear/Heat and Air Conditioning |
| Upfitter-ACCY Relay | Upfitter Accessory |
| Starter Enable Relay | Starter |
| A/C Enable Relay | Air Conditioning |
| Headlamps Relay | Headlamps |
| Fuel Pump Relay | Fuel Pump |
UNDERHOOD FUSE BLOCK CENTER IDENTIFICATION (3 OF 3)
| Fuse/Circuit Breaker | Usage |
|---|---|
| UPFITTER-BATT | Upfitter Battery Power Stud, Trailer Wiring Harness |
| UPFITTER-ACCY | Upfitter Accessory Relay |
| Spare | Not used |
| Spare | Not used |
| Spare | Not used |
| ECM-1B | Fuel Pump Relay and Motor, VCM, Oil Pressure Switch/Sender |
| HORN | Horn Relay and Horn |
| A/C COMP | Air Conditioning Enable Relay and Compressor |
| RR HTR/AC | Rear Heater and Air Conditioning |
| ATC | Active Transfer Case-L Van |
| FRT HVAC | Front Heater and Air Conditioning |
| ENG-I | Oxygen Sensors, Camshaft Position Sensor, Mass Air Flow Sensor, Evaporative, Emission Canister Vent Solenoid |
| IGN-E | Air Conditioning Enable Relay Coil |
| ECM-I | Fuel Injectors 1-6, Crankshaft Position Sensor, VCM, Coil Driver Module (EST), Ignition Coil |
| Blank | Not Used |
| RH HDLMP | Right Headlamp |
| LH Headlamp | Left Headlamp |
| Blank | Not Used |
| Blank | Not Used |
| DIODE-1 | Air Conditioning |
| Blank | Not Used |
| Blank | Not Used |
| Blank | Not Used |
| LIGHTING | Courtesy Fuse, Power Adjust Mirrors Fuse, Truck Body Control Battery Fuse |
| BATT | Power Accessory Circuit Breaker, Stop/Hazard Fuse, Auxiliary Power Fuse, Cigarette Lighter Fuse, Radio Battery Fuse |
| IGN A | Starter Relay, Ignition Switch |
| IGN B | Ignition Switch |
| ABS | Electronic Brake Control Module |
| Blank | Not Used |
| RAP | Radio Accessory, Power Windows |
| HTD MIR/RR DEFOG | Rear Window Defogger, Climate Control Head |