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Isuzu Ascender (2008) Fuse Box Diagram

avatar Jonathan Yarden Mar 25, 2021 · 5 min. read

In this article you will find a description of fuses and relays Isuzu, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2008
More about Isuzu

Engine compartment

Isuzu Ascender - fuse box diagram - engine compartment

No Fuse name A Description
1 ECAS Fuse 30 Air Suspension Compressor Assembly
2 HI HEADLAMP-RT Fuse 10 Headlamp – High Beam – Right
3 LO HEADLAMP-RT Fuse 10 Head lamp – Low Beam – Right
4 TRLR BCK/UPΒ Fuse 10 Trailer Connector
5 HI HEADLAMP-LT Fuse 10 Headlamp- High Beam – Left
6 LO HEADLAMP-LT Fuse 10 Headlamp – Low Beam – Left
7 WPR Fuse 20 HEADLAMP WPR Relay, REAR/WPR Relay
8 ATC Fuse 30 Transfer Case Encoder .Motor, Transfer Case Shift Control Module
9 WSW Fuse 15 WSW Relay
10 PCM B Fuse 20 FUEL PUMP Relay
11 FOG LAMPΒ Fuse 15 FOG LAMP Relay
12 STOP LAMPΒ Fuse 25 Stop Lamp Switch
13 LTR Fuse 20 Cigar Lighter, Data Link Connector (DLC)
14 IGN COILS Fuse 10 HI HEADLAMP Relay
15 TCM CNSTR Fuse 10 Evaporative Emission (EVAP) Canister Vent Solenoid,Β Transmission Control Module (TCM)
16 TBC IGN1 Fuse 10 Body Control Module (BCM)
17 CRNK Fuse 10 Engine Control Module (PCM)
18 AIR BAG Fuse 10 Inflatable Restraint Front Passenger Pressure System (PPS) Module,Β Inflatable Restraint Sensing and Diagnostic Module (SDM), RolloverΒ Sensor
19 ELEC BRK Fuse 30 Trailer Brake Wiring
21 HORN Fuse 15 HORN Relay
22 IGN E Fuse 10 A/C Relay, Headlamp l eveling Actuators, Headlamp Switch, InsideΒ Rearview Mirror, Instrument Panel Cluster (I PC), Park/Neutral PositionΒ (PNP) Switch, Stop Lamp Switch, Turn Signal/Multifunction Switch
23 ETC Fuse 15 IIEngine Control Module (ECM)
24 IPC/DIC Fuse 10 Instrument Panel Cluster (IPC)
25 BTSI Fuse 10 Automatic Transmission Shift Lock Actuator, Stop Lamp Switch
26 ENG I Fuse 15 Evaporative Emission (EVAP) Canister Purge Solenoid, Mass AirΒ Flow (MAF)/Intake Air Temperature (IAT) Sensor, Valve Lifter OilΒ Manifold (VLOM) Assembly
27 BCK/UP Fuse 15 EAP Relay, Park/Neutral Position (PNP) Switch
28 ECMI Fuse 15 Engine Control Module (ECM)
29 ECM Fuse 10 Engine Control Module (ECM)
30 A/C Fuse 10 A/C Relay
31 INJA Fuse 10 odd Fuel Injectors, Odd Ignition Coils
32 TRLR Fuse 30 Trailer Connector
33 ABS Fuse 60 Electronic Brake Control Module (EBCM)
34 IGN A Fuse 40 Ignition Switch- ACCY/RUN/START, RUN, START BUS
35 BLWR Fuse 40 Blower Motor Control Module, Blower Motor Resistor Assembly
36 IGN B Fuse 40 Ignition Switch – ACCY/RUN, RUN/START BUS
37 HEADLAMPΒ WPR Relay β€” Headlamp Washer Fluid Pump
38 REAR/WPRΒ Relay β€” Rear Window Washer Fluid Pump
39 FOG LAMPΒ Relay β€” Front Fog Lamps
40 HORN Relay β€” Horn Assembly
41 FUEL PUMPΒ Relay β€” Fuel Pump and Sender Assembly
42 WSW Relay β€” Windshield Washer Fluid Pump
43 HI HEADLAMPΒ Relay β€” HI HEADLAMP- LT Fuse, HI HEADLAMP-RT Fuse
44 A/C Relay β€” A/C Compressor Clutch Assembly
45 FAN Relay β€” Cooling Fan
46 HDM Relay β€” LO HEADLAMP- L T Fuse, LO HEADLAMP-RT Fuse
47 STRTR Relay β€” Starter
48 I/P BATT Fuse 125 Fuse Block- Rear – B+ Bus
49 EAP Relay β€” Electronic Adjustable Pedals (EAP) Switch
50 TRLR RT TRN Fuse 10 Trailer Connector
51 TRLR LT TRN
Fuse		 10 Trailer Connector
52 HAZRD Fuse 25 Turn Signal/Hazard Flasher Module
53 TRANS Fuse 15 Automatic Transmission, Transmission Control Module (TCM)
54 O2 SNSR B Fuse 10 Heated Oxygen Sensor (H02S) Bank 1/2 Sensor 2
55 O2 SNSR B Fuse 10 Heated Oxygen Sensor (H02S) Bank 1/2 Sensor 1
56 INJB Fuse 20 IIEven Fuel Injectors, Even Ignition Coils
57 HDM Fuse 15 HDM Relay
58 TBC I Fuse 10 Body Control Module (SCM), Theft Deterrent Alarm, TheftΒ Deterrent Control Module
59 EAP Fuse 15 EAP Relay, Electronic Adjustable Pedals (EAP) Relay
60 PWR/TRN RELAY β€” ENGI Fuse, ETC Fuse, INJA Fuse, INJB Fuse, 02 SNSR A Fuse,Β 02 SNSR B Fuse
61 VSES Fuse 60 Eiectronic Brake Control Module (EBCM)
62 RVC Fuse 15 Regulated Voltage Control Module
63 AIR SOL Fuse 15 Secondary Air Injection (AIR) Pump Relay

Underhood Fuse Block (Top View)

Isuzu Ascender - fuse box diagram - engine compartment (top view)

Underhood Fuse Block (Bottom View)

Isuzu Ascender - fuse box diagram - engine compartment (bottom view)

Underhood X1 Fuse block

Isuzu Ascender - fuse box diagram - engine compartment X1

Pin Wire Circuit Function
A1 β€” β€” β€”
A2 β€” β€” β€”
A3 β€” β€” β€”
A4 β€” β€” β€”
A5 0.35 PK 639 lgnition 1 Voltage (M30)
A6 0.35 PU 806 Crank Voltage
A7 0.35 OG/BK 463 Requested Torque Signal
A8 5 PU 6 Starter Solenoid Crank Voltage
A9 0.8 GY 1524 Backup Lamp Signal (UY7)
A10 0.35 YE 1737 Neutral Safety Switch Park/Neutral Signal (M30)
A11 0.5 PK 239 Ignition 1 Voltage
0.5 PK 239 Ignition 1 Voltage (6.0L)
A12 β€” β€” β€”
B1 0.35 OG 240 Battery Positive Voltage
B2 β€” β€” β€”
B3 β€” β€” β€”
B4 β€” β€” β€”
B5 0.8 PK 339 Ignition 1 Voltage
B6 0.5 L-GN 275 Park Neutral Position Switch Pa rk Signal
B7 β€” β€” β€”
B8 0.35 D-GN/WH 465 Fuel Pump Relay Control
B9 0.35WH 1310 EVAP Canister Vent Solenoid Control
B10 0.35 TN/8K 464 Delivered Torque Signal
B11 0.35 OG 540 Battery Positive Voltage
B12 β€” β€” β€”
C1 0.8 OG 3840 Battery Posit ive Voltage
C2 0.5 PK 139 Ignition 1 Voltage
C3 β€” β€” β€”
C4 β€” β€” β€”
C5 0.5 PK 439 Ignition 1 Voltage
C8 β€” β€” β€”
C9 β€” β€” β€”
C10 2 BK 550 Ground
C11 0.8 PK 1339 Ignition 1 Voltage
C12 β€” β€” β€”
D1 0.35 YE 5991 Powertrain Relay Coil Cont rol
D2 β€” β€” β€”
D3 0.35 BK 350 Ground
D4 0.35 WH/BK 2366 Cooling Fan Clutch Control
D5 β€” β€” β€”
D8 0.35 YE/BK 625 Starter Enable Relay Control
D9 0.35 D-GN/WH 459 A/C Compressor Clutch Relay Control
D10 0.8 BK 550 Ground
D11 0.35 D-GN 59 A/C Compressor Clutch Supply Voltage
D12 β€” β€” β€”
E1 0.5 PK 839 Ignition 1 Voltage
E2 β€” β€” β€”
E3 β€” β€” β€”
E4 β€” β€” β€”
E5 β€” β€” β€”
E6 1 BK 450 Ground
E7 0.35 BK 450 Ground
0.5 BK 450 Ground (M30
E8 β€” β€” β€”
E9 β€” β€” β€”
E10 β€” β€” β€”
E11 β€” β€” β€”
E12 β€” β€” β€”
F1 β€” β€” β€”
F2 β€” β€” β€”
F3 1 BK 350 Ground
F4 β€” β€” β€”
F5 β€” β€” β€”
F6 β€” β€” β€”
F7 β€” β€” β€”
F8 β€” β€” β€”
F9 0.5 PK 539 Ignition 1 Voltage
0.5 PK 539 Ignition 1 Voltage
F10 0.5 PK 1539 Ignition 1 Voltage
0.5 PK 1539 Ignition 1 Voltage
F11 0.8 PK 1239 Ignition 1 Voltage
0.8 PK 1239 Ignition 1 Voltage
F12 β€” β€” β€”

Underhood X2 Fuse block

Isuzu Ascender - fuse box diagram - engine compartment X2

Pin Wire Circuit Function
A1 β€” β€” β€”
A2 0.5 D-GN 189 Headlamp Leveling Motor Supply Voltage (TR6)
A3 0.35 OG 57 Left Cornering Lamp Supply Voltage (Z88/Z89/W49)
A4 β€” β€” β€”
A5 0.35WH/BK 2366 Cooling Fan Clutch Control ( 4.2L)
A6 0.35 BN 2309 Front Park Lamps Supply Voltage
A7 0.8 OG 440 Battery Positive Voltage ( 4.2L)
A8 β€” β€” β€”
A9 β€” β€” β€”
A10 0.8 YE 18 Left Rear Stop/Turn Lamp Supply Voltage (UY7)
A11 2 OG 1640 Battery Positive Voltage (NP4/NP8)
A12 0.35 OG 2268 Windshield Washer Relay Control
B1 0.35 D-BU 2115 Right Turn Signal Lamps Supply Voltage
B2 β€” β€” β€”
B3 0.35 PK/WH 1970 Headlamp Low Beam Relay Control
B4 β€” β€” β€”
B5 β€” β€” β€”
B6 0.35 PK 639 Ignition 1 Voltage
B7 0.35 BK 58 Right Cornering Lamp Supply Voltage (Z88/Z89/W49)
B8 β€” β€” β€”
B9 β€” β€” β€”
B10 0.35 PU 420 TCC Brake Switch/Cruise Control Release Signal
B11 0.5 BN 241 Ignition 3 Voltage
B12 β€” β€” β€”
C1 0.35 L-BU 2114 Left Turn Signal Lamps Supply Voltage
C2 0.35 D-GN/WH 1317 Front Fog Lamp Relay and Indicator Control (T96)
C3 0.35 L-GN 2270 Rear Window Washer Relay Control
C4 β€” β€” β€”
C5 β€” β€” β€”
C8 β€” β€” β€”
C9 1 OG 1540 Battery Positive Voltage
C10 0.35 YE 5991 Powertrain Relay Coil Control ( 4.2L)
C11 β€” β€” β€”
C12 0.35 BK/WH 1969 Headlamp High Beam Relay Control
D1 0.35 D-GN/WH 1317 Front Fog Lamp Relay and Indicator Control (T96)
D2 β€” β€” β€”
D3 0.35WH 2282 Headlamp Washer Relay Control (CE4)
D4 β€” β€” β€”
D5 2 OG 140 Battery Positive Voltage
D8 β€” β€” β€”
D9 0.8 OG 640 Battery Positive Voltage
D10 0.8 D-GN 19 Right Rear Stop/Turn Lamp Supply Voltage (UY7)
D11 β€” β€” β€”
D12 β€” β€” β€”
E1 0.35 OG 2340 Battery Positive Voltage
E2 0.35 BK 28 Horn Relay Control
E3 0.35 PK 1020 Ignition 0 Voltage ( 4.2L)
E4 β€” β€” β€”
E5 0.35 PK 39 Ignition 1 Voltage
E6 0.5 OG 3240 Battery Positive Voltage (JF4)
E7 0.5 OG 3040 Battery Positive Voltage (JF4)
E8 β€” β€” β€”
E9 β€” β€” β€”
E10 0.35 L-GN/BK 584 A/T Shift Lock Control Switch Supply Voltage ( 4.2L)
E11 0.5 BK/WH 1695 Axle Switch Signal (NP8)
E12 0.35 OG 1140 Battery Positive Voltage
0.35 OG 1140 Battery Positive Voltage (BAE)
F1 3 OG 2940 Battery Positive Voltage (UY7)
F2 β€” β€” β€”
F3 β€” β€” β€”
F4 β€” β€” β€”
F5 0.35 YE 1139 Ignition 1 Voltage
F6 0.35 PU 806 Crank Voltage ( 4.2L)
F7 3 YE 5 Crank Voltage
F8 0.35 L-GN/BK 584 A/T Shift Lock Control Switch Supply Voltage (5.3L/6.0L)
0.35 YE/BK 625 Starter Enable Relay Control ( 4. 2L)
F9 β€” β€” β€”
F10 0.35 D-GN 1433 PNP/Ciutch Start Switch Signal (4.2L)
0.35 OG/BK 1786 Park/Neutral Signal (5.3L/6.0L)
F11 3 RD 142 Battery Positive Voltage
F12 o.35 D-GN/WH 459 A/C Compressor Clutch Relay Control (4. 2L)

Underhood X3 Fuse block

Isuzu Ascender - fuse box diagram - engine compartment X3

Pin Wire Circuit Function
A1 β€” β€” β€”
A2 0.5 PK 739 Ignition 1 Voltage ( 4.2L w/K18)
0.35 PK 739 Ignition 1 Voltage (w/BAE)
A3 3 OG 2840 Battery Positive Voltage (G67)
A4 β€” β€” β€”
A5 0.35 OG 540 Battery Positive Voltage
A6 β€” β€” β€”
B1 β€” β€” β€”
B2 β€” β€” β€”
B3 β€” β€” β€”
B4 0.8 L-GN 1624 Trailer Backup Lamps Supply Voltage (UY7)
B5 0.35 BN 441 Ignition 3 Voltage
B6 β€” β€” β€”
C1 β€” β€” β€”
C2 β€” β€” β€”
C5 β€” β€” β€”
C6 0.35 OG 540 Battery Positive Voltage (5.3L)
D1 β€” β€” β€”
D2 0.8 YE 1618 Trailer Left Rear Turn/Stop Lamp Supply Voltage (UY7)
D5 0.35 TN/BK 464 Delivered Torque Signal
D6 0.5 BK/WH 1695 Axle Switch Signal (NP8)
E1 β€” β€” β€”
E2 β€” β€” β€”
E3 0.35 PU 420 TCC Brake Switch Signal
E4 0.5 BN 241 Ignition 3 Voltage (NP8)
0.5 BN 241 IIIgnition 3 Voltage (G67)
E5 2 OG 1640 Battery Positive Voltage (NP8)
E6 β€” β€” β€”
F1 0.5 BK 350 Ground
0.5 BK 350 Ground (NP8)
F2 0.35 OG/BK 463 Requested Torque Signal
F3 0.8 GY 120 Fuel Pump Supply Voltage
F4 0.35 WH 1310 EVAP Canister Vent Solenoid Control
F5 β€” β€” β€”
F6 0.8 D-GN 1617 Trailer Right Rear Turn/Stop Lamp Supply Voltage (UY7)

Underhood X4 Fuse block

Isuzu Ascender - fuse box diagram - engine compartment X4

Pin Wire Circuit Function
A1 0.35 BN 2309 Front Park Lamps Supply Voitage
0.35 BN 2309 Front Park Lamps Supply Voltage (Except W49 w/o WX7)
A2 β€” β€” β€”
A3 0.35WH 2368 Cooling Fan Clutch Supply Voltage
A4 β€” β€” β€”
A5 β€” β€” β€”
A6 0.35 L-BU 2114 Left Turn Signal Lamps Supply Voltage
0.35 L-BU 2114 Left Turn Signal Lamps Supply Voltage ( -WX7)
B1 0.35 BN 2309 Front Park Lamps Supply Voltage
0.35 BN 2309 Front Park Lamps Supply Voltage (Except W49 w/o WX7)
B2 0.35 PK 639 Ignition 1 Voltage (TR6)
B3 0.35 BK 639 Ignition 1 Voltage (TR6)
B4 0.35 OG 57 Left Cornering Lamp Supply Voltage (Z88/W49)
B5 0.8 D-GN 392 Rear Window Washer Pump Control
B6 β€” β€” β€”
C1 β€” β€” β€”
C2 β€” β€” β€”
C5 0.8 BK 350 Ground
C6 0.35 D-8U 2115 Right Turn Signal Lamps Supply Voltage
0.35 D-8U 2115 Right Turn Signal Lamps Supply Voltage ( -WX7)
D1 β€” β€” β€”
D2 β€” β€” β€”
D5 0.5 D-GN 189 Headlamp Leveling Motor Supply Voltage (TR6)
D6 β€” β€” β€”
E1 0.35 D-GN/WH 711 Left Headlamp High Beam Supply Voltage
E2 0.35 YE 712 Left Headlamp Low Beam Supply Voltage
E3 β€” β€” β€”
E4 0.5 RD 228 Windshield Washer Pump Control
E5 β€” β€” β€”
E6 β€” β€” β€”
F1 0.35 L-GN/BK 311 Right Headlamp High Beam Supply Voltage
F2 0.35 TN/WH 312 Right Headlamp Low Beam Supply Voltage
F3 β€” β€” β€”
F4 0.5 D-GN 1329 Horn Fuse Supply Voltage
F5 0.8 PU 1197 Headlamp Washer Pump Control (CE4)
F6 0.8 PU 34 Fog Lamps Supply Voltage (T96)

Underhood X5 Fuse block

Isuzu Ascender - fuse box diagram - engine compartment X5

Pin Wire Circuit Function
A 3 RD/WH 342 Battery Positive Voltage
B 3 PK 3 Ignition 1 Voltage

Underhood X7 Fuse block

Isuzu Ascender - fuse box diagram - engine compartment X5

Pin Wire Circuit Function
A 5 RD 1042 Battery Positive Voltage ( 4.2L w/K18)
B 5 RD 642 Battery Positive Voltage

Underhood X8 Fuse block

Isuzu Ascender - fuse box diagram - engine compartment X5

Pin Wire Circuit Function
A β€” β€” β€”
B 5 RD 4042 Battery Positive Voltage

Underhood X9 Fuse block

Isuzu Ascender - fuse box diagram - engine compartment X9

Pin Wire Circuit Function
A 5 RD 542 Battery Positive Voltage (CJ3)
A 3 RD 542 Battery Positive Voltage (CJ2)
B β€” β€” β€”

Underhood X10 Fuse block (Battery Positive Cable)

Pin Wire Circuit Function
1 19 RD 1 Battery Positive Voltage

Rear Fuse Block

Isuzu Ascender - fuse box diagram - rear

No Fuse name A Description
1 RT DOORSΒ Circuit Breaker 25 Front Passenger Door Module (FPDM), Window Switch- RR
2 LT DOORSΒ Circuit Breaker 25 Driver Door Module (DDM), Window Switch – LR
3 LGM #2 Fuse 30 Liftgate Module (LGM)
4 TBC 3 Fuse 10 Body Control Module (BCM)
5 RR FOG Fuse 10 Tail Lamp Circuit Board -Left
6 β€” β€” β€”
7 TBC 2 Fuse 10 Body Control Module (BCM)
8 SEATSΒ Circuit Breaker 30 Lumbar Adjuster Switches, Memory Seat Module – Driver, Seat AdjusterΒ Switches
9 RR WIPER CircuitΒ Breaker 15 Rear Window Wiper Motor
10 DDM Fuse 10 Driver Door Module (DDM)
11 AMP Fuse 20 Audio Amplifier
12 PDM Fuse 20 Front Passenger Door Module (FPDM)
13 RR HVAC FUSE 30 β€”
14 LR PARK Fuse 10 License Lamps, Tail Lamp Circuit Board- Left
15 β€” β€” β€”
16 VEH CHMSL Fuse 10 Center High Mounted Stop Lamp (CHMSL)
17 RR PARK Fuse 10 Clearance Lamps, Tail Lamp Circuit Board – Right
18 LOCK Relay β€” Rear Door Latch Assemblies
19 LGM/DSM Fuse 10 Cobra Intrusion Sensor Module, Inclination Sensor, Liftgate ModuleΒ (LGM), Memory Seat Module- Driver
21 LOCKS Fuse 10 LOCK Relay, UNLOCK Relay
23 β€” β€” β€”
24 UNLOCK Relay β€” Rear Door Latch Assemblies
25 β€” β€” β€”
26 β€” β€” β€”
27 OHΒ BATT/ONSTARΒ Fuse 10 Digital Video Disc (DVD) Player, Garage Door Opener, VehicleΒ Communication Interface Module (CIM)
28 SUNROOF Fuse 20 Sunroof Motor
29 RAIN Fuse 10 β€”
30 PARK LP Relay β€” F PARK Fuse, LR PARK Fuse. RR PARK Fuse, TR PARK Fuse
31 TBC ACC Fuse 3 Body Control Module (BCM)
32 TBC 5 Fuse 10 Body Control Module (BCM)
33 FRT WPR Fuse 25 Windshield Wiper Motor
34 VEH STOP Fuse 15 Engine Control Module (ECM), Powertrain Control Module (PCM), Tail Lamp Circuit Board -Left/Right, Trailer Brake Wiring, Transmission Control Module (TCM)
35 TCM Fuse 10 Transmission Control Module (TCM)
36 HVAC B Fuse 10 HVAC Control Module, HVAC Control Module -Auxiliary
37 F PARK Fuse 10 Marker Lamps, Park Lamps, Park/Turn Signal Lamps, Turn Signal/Multifunction Switch
38 LT TURN Fuse 10 Driver Door Module (DDM), Instrument Panel Cluster (I PC), Marker Lamp, Park/Turn Signal Lamp- LF, Tail Lamp Circuit Board- Left, Turn Signal Lamp – LF
39 HVAC I Fuse 10 Air Temperature Actuators, Console Mode Actuator- Auxiliary, DefrostΒ Actuator, HVAC Control Module, HVAC Control Module- Auxiliary, ModeΒ Actuator, Recirculation Actuator, Steering Wheel Speed/Position Sensor,Β Turn Signal/Multifunction Switch
40 TBC 4 Fuse 10 Body Control Module (BCM)
41 RADIO Fuse 15 Digital Radio Receiver, Radio
42 TR PARK Fuse 10 Trailer Connector
43 RT TURN Fuse 10 Front Passenger Door Module (FPDM), Instrument Panel Cluster (I PC),Β Marker Lamp- RF, Park/Turn Signal Lamp- RF, Tail Lamp CircuitΒ Board- Right, Turn Signal Lamp- RF
44 HVAC Fuse 30 HVAC Control Module
45 RR FOG LPΒ Relay β€” RR FOG Fuse
46 AUX PWR 1 Fuse 20 Auxiliary Power Outlets
47 IGN 0 Fuse 10 Automatic Transmission, Automatic Transmission Shift Lock Actuator, Engine Control Module (ECM). Powertrain Control Module (PCM), TheftΒ Deterrent Control Module
48 4WD Fuse 15 Air Suspension Compressor Assembly, Auxiliary Water Pump Relay 1,Β Front Axle Actuator, Transfer Case Shift Control Switch
49 β€” β€” β€”
50 TBC IG Fuse 3 Body Control Module (BCM)
51 BRAKE Fuse 10 Electronic Brake Control Module (EBCM)
52 TBC RUN Fuse 3 Body Control Module (BCM)

Rear fuse block (Top View)

Isuzu Ascender - fuse box diagram - rear compartment (top view)

Rear fuse block (Bottom View)

Isuzu Ascender - fuse box diagram - rear compartment (bottom view)

Rear fuse block X1

Isuzu Ascender - fuse box diagram - rear compartment x1

Pin Wire Circuit Function
A1 β€” β€” β€”
A2 0.35 BN/WH 230 Instrument Panel Lamps Dimming Control
A3 β€” β€” β€”
A4 0.35 L-GN 24 Backup Lamp Supply Voltage (Z88)
A5 β€” β€” β€”
A6 3 BN 4 Accessory Voltage
A7 1 YE 143 Accessory Voltage
A8 0.35 BN 341 Ignition 3 Voltage
A9 0. 35 L-G N/BK 735 Ambient Air Temperature Sensor Signal (CJ3)
A10 β€” β€” β€”
A11 0.35 TN/BK 5168 Power Sounder Enable Signal (BAE)
A12 β€” β€” β€”
B1 0.35 L-BU 1134 Park Brake Switch Signal
B2 0.35 BN/WH 230 Instrument Panel Lamps Dimming Control
B3 0.35 BN 2309 Front Park Lamps Supply Voltage (Z88/Z89/W49)
B4 1 WH 17 Stop Lamp Switch Signal
B5 0.35 L-BU 1320 Stop Lamp Supply Voltage
0.5 L-BU 1320 Stop Lamp Supply Voltage (UY7)
B6 β€” β€” β€”
B7 0.35 YE 243 Accessory Voltage (5.3L/6.0L)
B8 0.35 BN 341 Ignition 3 Voltage
B9 β€” β€” β€”
B10 0.35 PU/WH 1382 LED Dimming Signal
0.35 PU/WH 1382 LED Dimming Signal (NP8)
B11 0.35 BN 5204 Intrusion Sensor Data Signal (8AE)
B12 β€” β€” β€”
C1 0.35 OG 4340 Battery Positive Voltage
0.35 OG 4340 Battery Positive Voltage (CJ2)
C2 β€” β€” β€”
C3 0.35 BN 2309 Front Park Lamps Supply Voltage
C4 0.35 L-BU 2114 Left Turn Signal Lamps Supply Voltage
C5 0.35 YE 685 Left Turn Signal Flasher Signal
C8 0.35 BN 341 Ignition 3 Voltage
C9 β€” β€” β€”
C10 β€” β€” β€”
C11 β€” β€” β€”
C12 β€” β€” β€”
D1 0.5 OG 340 Battery Positive Voltage
0.5 OG 340 Battery Positive Voltage (U2K)
D2 β€” β€” β€”
D3 0.8 BN 2109 Trailer Park Lamps Supply Voltage (UY7)
D4 0.35 D-BU 2115 Right Turn Signal Lamps Supply Voltage
D5 0.35 TN 686 Right Turn Signal Flasher Signal
D8 3 BN 141 Ignition 3 Voltage (CJ3)
D9 3 OG 300 Ignition 3 Voltage
D10 β€” β€” β€”
D11 β€” β€” β€”
D12 0.35 PK 39 Ignition 1 Voltage
E1 β€” β€” β€”
E2 β€” β€” β€”
E3 1 OG 1040 Battery Positive Voltage
E4 β€” β€” β€”
E5 0.35 BN 341 Ignition 3 Voltage
E6 3 WH 1390 Off/Run/Crank Voltage
E7 0.35 PK 1020 Ignition 0 Voltage
E8 0.5 BN 241 Ignition 3 Voltage
0.5 BN 241 Ignition 3 Voltage (NP8/NR9)
E9 β€” β€” β€”
E10 0.35 BN 718 Low Reference (CJ3)
E11 0.35 L-BU 5362 Inclination Sensor Signal (BAE)
E12 0.35 PK 639 Ignition 1 Voltage
F1 β€” β€” β€”
F2 0.35 YE 1799 Rear Fog Lamp Relay and Indicator Control (T79)
F3 1 OG 1040 Battery Positive Voltage
F4 0.35 PK 1020 Battery Positive Voltage (BAE)
F5 0.35 BN 341 Ignition 3 Voltage (JL4)
F6 β€” β€” β€”
F7 β€” β€” β€”
F8 0.35 BN 441 Ignition 3 Voltage
F9 β€” β€” β€”
F10 β€” β€” β€”
F11 β€” β€” β€”
F12 β€” β€” β€”

Rear fuse block X2

Isuzu Ascender - fuse box diagram - rear compartment x1

Pin Wire Circuit Function
A1 2 OG 3640 Battery Positive Voltage
A2 β€” β€” β€”
A3 2 OG 1340 Battery Positive Voltage
A4 β€” β€” β€”
A5 0.35 OG 2740 Battery Positive Voltage (w/Memory)
A6 β€” β€” β€”
A7 β€” β€” β€”
A8 2 OG 1240 Battery Positive Voltage
A9 0.35 D-GN 1188 Power Window Switch Right Rear Down Signal
A10 β€” β€” β€”
A11 β€” β€” β€”
A12 0.35 L-GN/BK 748 Right Rear Door Ajar Switch Signal
B1 0.35 RD 122 Rear Fog Lamp Supply Voltage (T79)
B2 0.5 L-BU 1320 Stop Lamp Supply Voltage
B3 2 OG 1340 Battery Positive Voltage
B4 0.35 D-BU 2115 Right Turn Signal Lamps Supply Voltage
B5 0.35 OG 2740 Battery Positive Voltage
B6 β€” β€” β€”
B7 β€” β€” β€”
B8 2 OG 1240 Battery Positive Voltage
B9 β€” β€” β€”
B10 β€” β€” β€”
B11 β€” β€” β€”
B12 0.35 D-BU 2307 Passenger Air Bag On Indicator Control (w/ALO)
C1 3 OG 3540 Battery Positive Voltage (AR9)
C2 0.5 L-BU 1320 Stop Lamp Supply Voltage
C3 0.35 L-BU 2114 Left Turn Signal Lamps Supply Voltage
C4 β€” β€” β€”
C5 1 OG 4440 Battery Positive Voltage
C8 0.35 D-GN 2308 Passenger Air Bag Off Indicator Control (w/ ALO)
C9 β€” β€” β€”
C10 0.35 OG 4140 Battery Positive Voltage
C11 β€” β€” β€”
C12 0.35 L-BU 2265 Power Window Lockout Left Rear Signal
D1 3 OG 3540 Battery Positive Voltage (AR9)
D2 0.35 BN 2509 Left Rear Park Lamps Supply Voltage
D3 β€” β€” β€”
D4 β€” β€” β€”
D5 0.8 OG 3740 Battery Positive Voltage (UQA)
D8 0.35 TN 294 Door Lock Actuator Unlock Control
D9 β€” β€” β€”
D10 0.35 OG 4240 Battery Positive Voltage
D11 β€” β€” β€”
D12 0.35 L-GN 2266 Power Window Lockout Right Rear Signal
E1 β€” β€” β€”
E2 0.35 BN 2509 Left Rear Park Lamps Supply Voltage
E3 β€” β€” β€”
E4 0.35 OG 3140 Battery Positive Voltage (UEl)
E5 0.35 L-GN 24 Backup Lamp Supply Voltage (X88/W49/Z89)
E6 β€” β€” β€”
E7 β€” β€” β€”
E8 β€” β€” β€”
E9 0.35 YE 1187 Power Window Switch Left Rear Down Signal
E10 β€” β€” β€”
E11 β€” β€” β€”
E12 0.35 GY/BK 1186 Power Window Switch Right Rear Up Signal
F1 0.35 YE 820 CHMSL Supply Voltage
F2 0.35 BN/WH 2609 Right Rear Park Lamps Supply Voltage
F3 β€” β€” β€”
F4 β€” β€” β€”
F5 β€” β€” β€”
F6 0.35 GY 295 Door Lock Actuator Lock Control
F7 β€” β€” β€”
F8 1 BK 1350 Ground
F9 β€” β€” β€”
F10 0.35 L-BU/BK 747 Left Rear Door Ajar Switch Signal
F11 β€” β€” β€”
F12 0.35WH 1185 Power Window Switch Left Rear Up Signal

Rear fuse block X3

Isuzu Ascender - fuse box diagram - rear compartment x3

Pin Wire Circuit Function
A1 β€” β€” β€”
A2 1 BK 1350 Ground
A3 β€” β€” β€”
A4 β€” β€” β€”
A5 0.35 D-BU 2307 Passenger Air Bag On Indicator Cont rol (w/ ALO)
A6 β€” β€” β€”
B1 β€” β€” β€”
B2 β€” β€” β€”
B3 β€” β€” β€”
B4 0.35 D-BU 1353 RAP Supply Voltage (CF5)
B5 β€” β€” β€”
B6 0.35 GY/BK 690 Courtesy Lamp Low Control
C1 0.35 D-GN 2308 Passenger Air Bag On IndicatoΒ·r Control (w/ ALO)
C2 β€” β€” β€”
C5 β€” β€” β€”
C6 β€” β€” β€”
D1 β€” β€” β€”
D2 β€” β€” β€”
D5 β€” β€” β€”
D8 0.35 L-GN 24 Backup Lamp Supply Voltage (DD7 /DF5)
E1 0.35 OG 3140 Battery Positive Voltage
E2 0.35 PK 639 Ignition 1 Voltage (ALO/DD7 /DF5)
E3 0.35 BN/WH 230 Instrument Panel Lamps Dimming Control (UG1/CF5)
E4 1 OG 1740 Battery Positive Voltage (CFS)
E5 β€” β€” β€”
E6 0 .35 BN 718 Low Reference (DD7 / DF5)
F1 β€” β€” β€”
F2 β€” β€” β€”
F3 0.35 L-GN/BK 735 Ambient Air Temperature Sensor Signal (DD7 /DF5)
F4 β€” β€” β€”
F5 β€” β€” β€”
F6 0.35 OG 1732 llcourtesy Lamps Supply Voltage

Rear fuse block X4

Isuzu Ascender - fuse box diagram - rear compartment x4

Pin Wire Circuit Function
A1 β€” 2140 Battery Positive Voltage
A2 β€” 2140 Battery Positive Voltage
A3 β€” 748 Right Rear Door Ajar Switch Signal
A4 β€” 1134 Park Brake Switch Signal
A5 β€” 195 Door Lock Relay Control
A6 β€” 2265 Power Window Lockout Left Rear Contro l
A7 β€” HD11 β€”
A8 β€” 747 Left Rear Door Ajar Switch Signal
A9 β€” LD14 β€”
A10 β€” LD16 β€”
A11 β€” 1350 Ground
A12 β€” 1353 RAP Supply Voltage
A13 β€” 194 Door Unlock Relay Control
A14 β€” 1080 β€”
A15 β€” LS05 Power Sounder Enable Signal (BAE)
A16 β€” 1828 Power Sounder Enable Signal (BAE)
A17 β€” A12 β€”
A18 β€” 992 Ignition o Voltage
A19 β€” 39 Ignition 1 Voltage
A20 β€” 541 Ignition 3 Voltage
B1 β€” 230 β€”
B2 β€” 230 β€”
B3 β€” 690 Courtesy Lamp Supply Voltage
B4 β€” 2240 Battery Positive Voltage
B5 β€” 1196 Power Window Switch Right Rear Up Signal
B6 β€” 2266 Power Window Lockout Right Rear Signal
B7 β€” 1188 Power Window Switch Right Rear Down Signal
B8 β€” 1185 Power Window Switch Left Rear Up Signal
B9 β€” 1187 Power Window Switch Left Rear Down Signal
B10 β€” LD11 β€”
B11 β€” 1350 Ground
B12 β€” 24 Backup Lamp Supply Voltage
B13 β€” 4440 Battery Positive Voltage
B14 β€” 1382 LED Dimming Signal
B15 β€” 543 Accessory Voltage
B16 β€” HS02 β€”
B17 β€” 4040 Battery Positive Voltage
B18 β€” 1732 Inadvertent Power Courtesy Lamps Supply Voltage
B19 β€” 1977 Rear Fog Lamp Relay and Indicator Control (T79)
B20 β€” LS03 Inclination Sensor Signal (BAE)
WARNING:Β Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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