Isuzu Ascender (2003-2008) fuses and relay

Fuse box diagram (location and assignment of electrical fuses and relays) for Isuzu Ascender (2006, 2007).

Fuse box diagram: Isuzu Ascender (2003-2008)

Information from the owner’s manuals of 2006 and 2007 is used. The location and function of fuses in cars produced at other times may differ.
See Chevrolet TrailBlazer (2002-2009), perhaps there is more complete information.

Engine Compartment Fuse Box

The fuse box is located in the engine compartment on the driver’s side, under two covers

Fuse box diagram (Engine Compartment Fuse Box)

Assignment of the fuses and relay in the Engine Compartment Fuse Box (4.2L, 2006, 2007)
Fuse/relay nameADescription
1ECAS30Air Suspension Compressor Assembly
2HI HEADLAMP-RT10Headlamp – High Beam – Right
3LO HEADLAMP-RT10Head lamp – Low Beam – Right
4TRLR BCK/UP10Trailer Connector
5HI HEADLAMP-LT10Headlamp- High Beam – Left
6LO HEADLAMP-LT10Headlamp – Low Beam – Left
7WPR20HEADLAMP WPR Relay, REAR/WPR Relay
8ATC30Transfer Case Encoder .Motor, Transfer Case Shift Control Module
9WSW15WSW Relay
10PCM B20FUEL PUMP Relay, Powertrain Control Module (PCM)
11FOG LAMP15FOG LAMP Relay
12STOP LAMP25Stop Lamp Switch
13LTR20Cigar Lighter, Data Link Connector (DLC)
15EAP152006: Auxiliary Water Pump Relay 1, EAP Relay, Electronic Adjustable Pedals (EAP) Relay
2007: EAP Relay, Electronic Adjustable Pedals (EAP) Relay
16TBC IGN110Body Control Module (BCM)
17CRNK10Powertrain Control Module (PCM)
18AIR BAG10Inflatable Restraint Front Passenger Pressure System (PPS) Module, Inflatable Restraint Sensing and Diagnostic Module (SDM), Rollover Sensor
19ELEC BRK30Trailer Brake Wiring
20FAN10FAN Relay
21HORN15HORN Relay
22IGN E10A/C Relay, Headlamp l eveling Actuators, Headlamp Switch, Inside Rearview Mirror, Instrument Panel Cluster (IPC), Park/Neutral Position (PNP) Switch, Stop Lamp Switch, Turn Signal/Multifunction Switch
23ETC10Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Powertrain Control Module (PCM)
24IPC/DIC10Instrument Panel Cluster (IPC)
25BTSI10Automatic Transmission Shift Lock Actuator, Stop Lamp Switch
26TCM CNSTR10Evaporative Emission (EVAP) Canister Purge Solenoid, Evaporative Emission (EVAP) Canister Vent Solenoid, Theft Deterrent Alarm
27BCK/UP15EAP (Relay), Park/Neutral Position (PNP) Switch
28PCM I15Fuel Injectors, Ignition Coils, Powertra in Control Module (PCM)
29O2 SNSR10Heated Oxygen Sensor (H02S) 1/2
30A/C10A/C Relay
31TBC I10Body Control Module (BCM), Theft Deterrent Alarm, Theft Deterrent Control Module
32TRLR30Trailer Connector
33ASS60Electronic Brake Control Module (EBCM)
34IGN A40Ignition Switch – ACCY/RUN/START, RUN, START BUS
35BLWR40Blower Motor Control Module, Blower Motor Resistor Assembly
36IGN B40Ignition Switch – ACCY/RUN, RUN/START BUS
37HEADLAMP WPR (Relay)Headlamp Washer Fluid Pump
38REAR/WPR (Relay)Rear Window Washer Fluid Pump
39FOG LAMP (Relay)Front Fog Lamps
40HORN (Relay)Horn Assembly
41FUEL PUMP (Relay)Fuel Pump and Sender Assembly
42WSW (Relay)Windshield Washer Fluid Pump
43HI HEADLAMP (Relay)HI HEADLAMP- LT, HI HEADLAMP-RT
44A/C (Relay)A/C Compressor Clutch Assembly
45FAN (Relay)Cooling Fan
46HDM (Relay)LO HEADLAMP- L T, LO HEADLAMP-RT
47STRTR (Relay)Starter
48I/P BATT125Fuse Block- Rear – B+ Bus
49EAP (Relay)Electronic Adjustable Pedals (EAP) Switch
50TRLR RT TRN10Trailer Connector
51TRLR LT TRN10Trailer Connector
52HAZRD25Turn Signal/Hazard Flasher Module
53HDM15HDM Relay
54AIR SOL15AIR SOL Relay, Secondary Air Injection (AIR) Pump Relay
55AIR SOL (Relay)Secondary Air Injection (AIR) Solenoid
56AIR PUMP60Secondary Air Injection (AIR) Pump Relay
57PWR/TRN (Relay)ETC, O2 SNSR
58VSES60Electronic Brake Control Module (EBCM)
59RVC152007: Regulated Voltage Control Module

Rear Underseat Fuse Box

The fuse box is located under of the left rear seat, under two covers

Fuse box diagram (Rear Underseat Fuse Box)

Assignment of the fuses in the Rear Underseat Fuse Box (2006, 2007)
Fuse/relay nameADescription
1RT DOORS (Circuit Breaker)25Front Passenger Door Module (FPDM), Window Switch- RR
2LT DOORS (Circuit Breaker)25Driver Door Module (DDM), Window Switch – LR
3LGM #230Liftgate Module (LGM)
4TBC 310Body Control Module (BCM)
5RR FOG10Tail Lamp Circuit Board -Left
6Not Used
7TBC 210Body Control Module (BCM)
8SEATS (Circuit Breaker)30Lumbar Adjuster Switches, Memory Seat Module – Driver, Seat Adjuster Switches
9RR WIPER (Circuit Breaker)15Rear Window Wiper Motor
10DDM10Driver Door Module (DDM)
11AMP20Audio Amplifier
12PDM20Front Passenger Door Module (FPDM)
13RR HVAC302006: Blower Motor- Auxiliary, Blower Motor Control Processor – Auxiliary
2007: Not Used
14LR PARK10License Lamps, Tail Lamp Circuit Board- Left
15Not Used
16VEH CHMSL10Center High Mounted Stop Lamp (CHMSL)
17RR PARK10Clearance Lamps, Tail Lamp Circuit Board – Right
18LOCK (Relay)Rear Door Latch Assemblies
19LGM/DSM10Cobra Intrusion Sensor Module, Inclination Sensor, Liftgate Module (LGM), Memory Seat Module- Driver
21LOCKS10LOCK Relay, UNLOCK Relay
22RAP (Relay)Quarter Glass Switches, Sunroof Motor
23Not Used
24UNLOCK (Relay)Rear Door Latch Assemblies
25Not Used
26Not Used
27OH BATT/ONSTAR 10Digital Video Disc (DVD) Player, Garage Door Opener, Vehicle Communication Interface Module (CIM)
28SUNROOF20Sunroof Motor
29RAIN102006: Outside Moisture Sensor
2007: Not Used
30PARK LP (Relay)F PARK, LR PARK. RR PARK, TR PARK
31TBC ACC3Body Control Module (BCM)
32TBC 510Body Control Module (BCM)
33FRT WPR25Windshield Wiper Motor
34VEH STOP15Engine Control Module (ECM), Powertrain Control Module (PCM), Tail Lamp Circuit Board -Left/Right, Trailer Brake Wiring, Transmission Control Module (TCM)
35TCM10Transmission Control Module (TCM)
36HVAC B10HVAC Control Module, HVAC Control Module -Auxiliary
37F PARK10Marker Lamps, Park Lamps, Park/Turn Signal Lamps, Turn Signal/Multifunction Switch
38LT TURN10Driver Door Module (DDM), Instrument Panel Cluster (I PC), Marker Lamp, Park/Turn Signal Lamp- LF, Tail Lamp Circuit Board- Left, Turn Signal Lamp – LF
39HVAC I10Air Temperature Actuators, Console Mode Actuator- Auxiliary, Defrost Actuator, HVAC Control Module, HVAC Control Module- Auxiliary, Mode Actuator, Recirculation Actuator, Steering Wheel Speed/Position Sensor, Turn Signal/Multifunction Switch
40TBC 410Body Control Module (BCM)
41RADIO15Digital Radio Receiver, Radio
42TR PARK10Trailer Connector
43RT TURN10Front Passenger Door Module (FPDM), Instrument Panel Cluster (IPC), Marker Lamp- RF, Park/Turn Signal Lamp- RF, Tail Lamp Circuit Board- Right, Turn Signal Lamp- RF
44HVAC30HVAC Control Module
45RR FOG LP (Relay)RR FOG
46AUX PWR 120Auxiliary Power Outlets
47IGN 010Automatic Transmission, Automatic Transmission Shift Lock Actuator, Engine Control Module (ECM). Powertrain Control Module (PCM), Theft Deterrent Control Module
484WD15Air Suspension Compressor Assembly, Auxiliary Water Pump Relay 1, Front Axle Actuator, Transfer Case Shift Control Switch
49Not Used
50TBC IG3Body Control Module (BCM)
51BRAKE10Electronic Brake Control Module (EBCM)
52TBC RUN3Body Control Module (BCM)
Isuzu Ascender (2003-2008) fuses and relay November 29, 2018 admin