Jonathan Yarden
Year of production: 2002, 2003
Instrument Panel Fuse Block
The fuse block access door is located on the driver’s side edge of the instrument panel.
Fuses | Usage |
RR Wiper | Rear Window Wiper Switch |
SEO ACCY | Special Equipment Option Accessory |
WS WPR | Windshield Wipers |
TBC ACCY | Truck Body Controller Accessory |
IGN 3 | Rear Heated Seats Module |
4WD | Four-Wheel Drive Switch, Air Suspension Switch/Module |
HTR A/C | Not Used |
LOCK | Power Door Lock Relay |
HVAC 1 | Inside Rearview Mirror, Climate Control System |
L DOOR | Harness Connection |
CRUISE | Cruise Control |
UNLOCK | Power Door Lock Relay |
RR FOG LP | Not Used |
BRAKE | Brake Switch |
IGN 0 | Brake Transmission Shift Interlock, Powertrain Control Module, Transmission |
TBC IGN 0 | Truck Body Controller |
VEH CHMSL | Vehicle and Trailer Center High Mounted Stop Lamp |
LT TRLR ST/TRN | Left Turn Signal/Stop Trailer |
LT TRN | Left Turn Signals and Sidemarkers |
VEH STOP | Vehicle Stoplamps, Brake Module, Electronic Throttle Control Module |
BODY | Harness Connector |
RT TRLR ST/TRN | Right Turn Signal/Stop Trailer |
RT TRN | Right Turn Signals and Sidemarkers |
DDM | Driver Door Module |
AUX PWR 2 | Instrument Panel and Rear Cargo Area Power Outlets |
LOCKS | Rear Doors and Liftgate Power Lock Relay Feed |
ECC | Not used |
TBC 2C | Truck Body Controller |
FLASH | Flasher Module |
CB LT DOORS | Left Rear Power Window Circuit Breaker and Driver Door Module |
TBC 2B | Truck Body Controller |
TBC 2A | Truck Body Controller |
Center Instrument Panel Fuse Block
The center instrument panel utility block is located underneath the instrument panel, to the left of the steering column.
Device | Usage |
SEO | Special Equipment Option/Off-Road Lamps Harness Connector |
TRAILER | Trailer Brake Wiring |
UPFIT | Upfitter (Not Used) |
SL RIDE | Ride Control (Not Used) |
HDLR 2 | Headliner Wiring Connector 2 |
BODY | Body Wiring Connector |
DEFOG | Rear Defogger Relay |
HDLNR 1 | Headliner Wiring Connector 1 |
SPARE RELAY | Not Used |
CB SEAT | Driver and Passenger Seat Module Circuit Breaker |
CB RT DOOR | Rear Right Power Window, Passenger Door Module |
SPARE | Not Used |
INFO | Infotainment Unit (Not Used) |
Underhood Fuse Block
The underhood fuse block in the engine compartment is located on the driver’s side of the vehicle near the battery.
Fuses | Usage |
STUD #1 | Accessory Power/Trailer Wiring |
MBEC 1 | Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors |
BLOWER | Front Climate Control Fan |
LBEC 2 | Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet—Rear Cargo Area and Instrument Panel |
STUD #2 | Accessory Power/Trailer Wiring Brake Feed |
ABS | Anti-lock Brakes |
VSES/ECAS | (ECAS) Electronically Controlled Air Suspension |
IGN A | Ignition Switch |
IGN B | Ignition Switch |
LBEC 1 | Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module |
TRL PARK | Parking Lamps Trailer Wiring |
RR PARK | Passenger’s Side Rear Parking and Sidemarker Lamps |
LR PARK | Driver’s Side Rear Parking and Sidemarker Lamps |
PARK LP | Parking Lamps Relay |
STRTRER | Starter Relay |
INTPARK | Roof Marker Lamps |
STOP LP | Stoplamps |
TBC BATT | Truck Body Controller Battery Feed |
SEO B2 | Off-Road Lamps |
4WS | Vent Solenoid Canister |
RR HVAC | Not Used |
AUX PWR | Auxiliary Power Outlet — Console |
IGN 1 | Ignition Relay |
PCM 1 | Powertrain Control Module |
ETC/ECM | Electronic Throttle Control, Electronic Brake Controller |
INJ 1 | Ignition Coil, Fuel Injectors-Bank 1 |
INJ 2 | Ignition Coil, Fuel Injectors-Bank 2 |
IGN E | Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay, Electronic Brake Controller TC2 Mode Switch |
RTD | Electronic Brake Controller Battery Feed |
TRL B/U | Backup Lamps Trailer Wiring |
PCM B | Powertrain Control Module, Fuel Pump |
F/PMP | Fuel Pump Relay |
02A | Oxygen Sensors |
B/U LP | Back-up Lamps, Automatic Transmission Shift Lock Control System |
RR DEFOG | Rear Window Defogger |
HDLP-HI | Headlamp High Beam Relay |
PRIME | Not Used |
O2B | Oxygen Sensors |
SIR | Supplemental Inflatable Restraint System |
FRT PARK | Front Parking Lamps, Sidemarker Lamps |
DRL | Daytime Running Lamps Relay |
SEO IGN | Rear Defog Relay |
TBC IGN1 | Truck Body Controller Ignition |
HI HDLP-LT | High Beam Headlamp-Left |
LH HID | Not Used |
DRL | Daytime Running Lamps |
IPC/DIC | Instrument Panel Cluster/ Driver Information Center |
HVAC/ECAS | Climate Control Controller/Electronically Controlled Air Suspension |
CIG LTR | Cigarette Lighter |
HI HDLP-RT | High Beam Headlamp-Right |
HDLP-LOW | Headlamp Low Beam Relay |
A/C COMP | Air Conditioning Compressor |
A/C COMP | Air Conditioning Compressor Relay |
RR WPR | Rear Wiper/Washer |
RADIO | Audio System |
SEO B1 | Mid Bussed Electrical Center, Rear Heated Seats, HomeLink |
LO HDLP-LT | Headlamp Low Beam-Left |
BTSI | Brake Transmission Shift Interlock System |
CRNK | Starting System |
LO HDLP-RT | Headlamp Low Beam-Right |
FOG LP | Not Used (Relay) |
FOG LP | Not Used |
HORN | Horn Relay |
W/S WASH | Windshield and Rear Window Washer Pump Relay |
W/S WASH | Windshield and Rear Window Washer Pump |
INFO | OnStar |
RADIO AMP | Radio Amplifier |
RH HID | Not Used |
HORN | Horn |
EAP | Not Used |
TREC | All-Wheel Drive Module |
SBA | Not Used |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.