Diesel Data: Automotive Repair

Underhood Fuse Block




UNDERHOOD FUSE BLOCK




PT :






The underhood fuse block in the engine compartment is located on the driver's side of the vehicle near the battery. Lift the cover for access to the fuse/relay block.

*1 -- Gasoline Engine and Fuel Injection Rail # 2.
*2 -- Gasoline Engine and Fuel Injection Rail # 1.
*3 -- Gasoline Engine; Oxygen Sensors.
*4 -- Gasoline Engine; Oxygen Sensors.
*5 -- Ignition 1
*6 -- Powertrain Control Module, Fuel Pump.
*7 -- Sunroof.
*8 -- Not Used.

GLOW PLUG Not Used

CUST FEED Gasoline Accessory Power

HYBRID Not Used

WSW/HTR Heated Windshield Washer (Special Edition Only)

STUD [num ]1 Accessory Power/Trailer Wiring

MBEC 1 Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors

BLWR Front Climate Control Fan

LBEC 2
Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet--Rear Cargo Area and Instrument Panel

STUD [num ]2* Accessory Power/Trailer Wiring Brake Feed

ABS Anti-lock Brakes

VSES/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

STRTR Starter Relay

INTPARK Roof Marker Lamps

STOP LP Stoplamps

TBC BATT Truck Body Controller Battery Feed

SEO B2 Off-Road Lamps

4WS Not Used

AUX PWR Instrument Panel Outlets, Rear Cargo Area Power Outlets, Console

PCM 1 Powertrain Control Module

ETC/ECM Electronic Throttle Control, Electronic Brake Controller

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

F/PMP Fuel Pump (Relay)

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

AIRBAG Supplemental Inflatable Restraint System

FRT PARK Front Parking Lamps, Sidemarker Lamps

DRL Daytime Running Lamps (Relay)

SEO IGN Rear Defog Relay

TBC IGN 1 Truck Body Controller Ignition

HI HDLP-LT Driver's Side High Beam Headlamp

LH HID Not Used

DRL Daytime Running Lamps

RVC Regulated Voltage Control

IPC/DIC Instrument Panel Cluster/Driver Information Center

HVAC/ECAS
Climate Control Controller/Electronically Controlled Air Suspension

CIG LTR Cigarette Lighter

HI HDLP-RT Passenger's Side High Beam Headlamp

HDLP-LOW Headlamp Low Beam Relay

A/C COMP Air Conditioning Compressor Relay

A/C COMP Air Conditioning Compressor

TCMB Transmission Control Module

RR WPR Rear Wiper/Washer

RADIO Audio System

SEO B1
Mid Bussed Electrical Center, Universal Home Remote System, Rear Heated Seats

LO HDLP-LT Driver's Side Headlamp Low Beam

BTSI Brake Transmission Shift Interlock System

CRNK Starting System

LO HDLP-RT Passenger's Side Headlamp Low Beam

FOG LP Not Used

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 Four-Wheel Drive Module

SBA Not Used