Instrument panel
The fuse block is in the instrument panel on the driver’s side.
Fuses/Circuit Breaker | Circuit protected |
A | Not Used |
B | Not Used |
1 | Headlamp Switch, Body Controls TBC, Headlamp Relay |
2 | Cigarette Lighter, Data Link Connector |
3 | Cruise Control~ Body Controls TBC, Heated Seats, Cruise Module, Cruise Switch |
4 | Gages, Body Controls TBC, Instrument Panel Cluster, B+ Power |
5 | Interior Illumination |
6 | Not Used |
7 | Mirror, Locks |
8 | Courtesy Lamps. Inadvertent Power Relay |
9 | HVAC Control Head |
10 | Turn Signal |
11 | Instrument Panel Cluster, Engine Controls |
12 | Parking Lamps, Power Window Switch, TBC, Ashtray Lamp |
13 | Auxiliary Power |
14 | Power Locks |
15 | 4WD Switch, Engine Control (VCM, PCM, Transmission) |
16 | Supplemental Inflatable Restraint, SDM Module |
17 | Front Wiper |
18 | Not USed |
19 | Radio Battery |
20 | Not Used. |
21 | HVAC I, HVAC Control Head, HVAC Devices |
22 | Air-Bag Brakes |
23 | Rear Wiper |
24 | Radio, Ignition |
Engine Compartment Fuse Block
The fuse block under the hood at the driver’s de of the engine compartment.
Name | Usage |
TRL TRN | Trailer Left Turn |
TRR TRN | Trailer Right Tum |
TRL B/U | Trailer Back-Up Lamps |
VEH B/U | Vehicle Back-Up Lamps |
LT TURN | Left Tum Signal Front |
LT TRN | Left Turn Signal Rear |
RT TRNH | Right Turn Signal Rear |
RR PRK | Right Rear Parking Lamps |
TRL PRK | Trailer Parking Lamps |
LT HDLP | Left Headlamp |
RT HDLP | Right Headlamp |
FR PRK | Front Parking Lamp |
INT BAT | I/P Fuse Block Feed |
ENG 1 | Engine Sensor/Solenoid, MAP, CAM, PURGE, VENT |
ECM B | Engine Control Module Fuel Pump, Module, Oil Pressure |
ABS | Anti-Lock Brake System |
ECM I | Engine Control Module Injector |
HORN | Horn |
BTSI | Brake-Transmission Shift Interlock |
B/U LP | Back-up Lamps |
A/C | Air Conditioning |
RAP | Retained Accessory Power |
O2 | Oxygen Sensor |
IGN B | Column Feed, IGN 2, 3,4 |
DRL | Daytime Running Lamps |
FOG LP | Fag Lamps |
IGN A | Stating and Charging ING I |
STUD #2 | Accessory Feeds, Electric Brake |
PARKLP | Parking Lamps |
LP PRK | Left Rear Parking Lamps |
IGN C | Starter Solenoid Fuel Pump, PRNDL |
HTDSEAT | Heated Seat |
ATC | Active Transfer Case |
RRDEFOG | Rear Defogger |
HVAC | HVAC System |
TRCHMSL | Trailer Center Hogh-Mount Stoplamp |
RR W/W | Rear Window Wiper |
CRANK | Clutch Switch, NSBU Switch |
HAZLP | Hazard Lamps |
VEVHMSL | Vehicle Center High-Mount Stoplamp |
HTDMIR | Heated Mirror |
STOPLP | Stop Lamps |
TBC | Truck Body Computer |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.