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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINTERIOR/ILLUMINATION LIGHTSLIGHTING SYSTEMSCOMPONENT LOCATORLIGHTING SYSTEMS CONNECTORS
2006 Isuzu Ascender S, 5.3 M, 4WD
Lighting Systems Connectors
2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Lighting Systems Connectors
Ambient Light Sensor (CJ3)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | WH | 278 | Ambient Light Sensor Signal |
| B | BK | 279 | Ambient Light Sensor Low Reference |
Backup Lamp - Left (Z88)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | L-GN | 24 | Backup Lamp Supply Voltage |
| B | - | - | Not Used |
| G | BK | 2450 | Ground |
Backup Lamp - Right (Z88)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | L-GN | 24 | Backup Lamp Supply Voltage |
| B | - | - | Not Used |
| G | BK | 2450 | Ground |
Cargo Lamp (Except Y92)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BK | 1350 | Ground |
| B | GY/BK | 690 | Courtesy Lamp Supply Voltage |
Cargo Lamp (Y92)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GY/BK | 690 | Courtesy Lamp Supply Voltage |
| B | BK | 1550 | Ground |
| C | OG | 1732 | Courtesy Lamp Supply Voltage |
Center High Mounted Stop Lamp (CHMSL)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | YE | 820 | CHMSL Supply Voltage |
| B | BK | 1550 | Ground |
Clearance Lamp - Left (Y92)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN/WH | 2609 | Park Lamps Supply Voltage |
| B | BK | 1350 | Ground |
Clearance Lamp - Right (Y92)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN/WH | 2609 | Park Lamps Supply Voltage |
| B | BK | 1350 | Ground |
Cornering Lamp - Left (T87)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | OG | 57 | Left Cornering Lamp Supply Voltage |
| G | BK | 350 | Ground |
Cornering Lamp - Right (T87)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BK | 58 | Right Cornering Lamp Supply Voltage |
| G | BK | 250 | Ground |
Courtesy/Reading Lamp - Center
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GY/BK | 690 | Courtesy Lamp Supply Voltage |
| B | BK | 1350 | Ground |
| C | OG | 1732 | Courtesy Lamps Supply Voltage |
Courtesy/Reading Lamp - Front
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GY/BK | 690 | Courtesy Lamp Supply Voltage |
| B | BK | 1350 | Ground |
| C | OG | 1732 | Courtesy Lamps Supply Voltage |
Courtesy/Reading Lamp (3rd Row) - Left (Long Wheel Base)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GY/BK | 690 | Courtesy Lamp Supply Voltage |
| B | BK | 1350 | Ground |
| C | OG | 1732 | Courtesy Lamps Supply Voltage |
Courtesy/Reading Lamp (3rd Row) - Right (Long Wheel Base)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GY/BK | 690 | Courtesy Lamp Supply Voltage |
| B | BK | 1350 | Ground |
| C | OG | 1732 | Courtesy Lamps Supply Voltage |
Fog Lamp - LF (Except W49 w/T96)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PU | 34 | Fog Lamps Supply Voltage |
| B | BK | 350 | Ground |
Fog Lamp - LF (W49 w/T96)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PU | 34 | Fog Lamps Supply Voltage |
| B | BK | 350 | Ground |
Fog Lamp - RF (Except W49 w/T96)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PU | 34 | Fog Lamps Supply Voltage |
| B | BK | 250 | Ground |
Fog Lamp - RF (W49 w/T96)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PU | 34 | Fog Lamps Supply Voltage |
| B | BK | 250 | Ground |
Headlamp - High Beam - Left
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | YE | - | Left Headlamp High Beam Supply Voltage |
| B | D-GN | - | Ground |
Headlamp - High Beam - Right
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | YE | - | Right Headlamp High Beam Supply Voltage |
| B | D-GN | - | Ground |
Headlamp - Low Beam - Left
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | OG | - | Left Headlamp Low Beam Supply Voltage |
| B | WH | - | Ground |
Headlamp - Low Beam - Right
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | OG | - | Right Headlamp Low Beam Supply Voltage |
| B | WH | - | Ground |
Headlamp Leveling Actuator - Left (TR6)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK | 350 | Ground |
| 2 | D-GN | 189 | Headlamp Leveling Motor Supply Voltage |
| 3 | PK | 639 | Ignition 1 Voltage |
Headlamp Leveling Actuator - Right (TR6)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK | 250 | Ground |
| 2 | D-GN | 189 | Headlamp Leveling Motor Supply Voltage |
| 3 | PK | 639 | Ignition 1 Voltage |
Headlamp Switch C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | GY | 705 | 5-Volt Reference |
| B | BN/WH | 230 | Instrument Panel Lamps Dimming Control |
| C | BK | 2250 | Ground |
| D | WH | 103 | Headlamp Switch Headlamps On Signal |
| E | GY/BK | 308 | Park Lamp Switch On Signal |
| F | L-GN | 5462 | DRL Defeat Switch Signal |
| G | OG/BK | 2090 | Courtesy Lamps Dimming Input |
| H | GY/BK | 2226 | Instrument Panel Lamps Dimmer Switch Low Reference |
| J | D-BU/WH | 1495 | Courtesy Lamp On Signal |
| K | PU/WH | 1382 | LED Dimming Signal |
| L | PK | 1348 | Headlamp On Indicator Control |
| M | PU | 328 | Interior Lamp Defeat Switch Signal |
Headlamp Switch C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | OG | 192 | Front Fog Lamp Switch Signal (T96) |
| B | L-BU | 187 | Rear Fog Lamp Switch Signal (T79) |
| C | D-GN/WH | 1317 | Front Fog Lamp Relay and Indicator Control (T96) |
| D | YE | 1977 | Rear Fog Lamp Relay and Indicator Control (T79) |
| E | TN | 5463 | Daytime Running Lamp Override Indicator |
| F | D-GN | 189 | Headlamp Leveling Motor Supply Voltage (TR6) |
| G | PK | 639 | Ignition 1 Voltage (TR6) |
| H | BN/WH | 1871 | Headlamp Washer Switch Signal (CE4) |
License Lamp - Left
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 2509 | Left Rear Park Lamps and License Lamps Supply Voltage |
| B | BK | 1550 | Ground |
License Lamp - Right
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 2509 | Left Rear Park Lamps and License Lamps Supply Voltage |
| B | BK | 1550 | Ground |
Marker Lamp - LF (X88)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 2309 | Front Park Lamps Supply Voltage |
| B | L-BU | 2114 | Left Turn Signal Lamps Supply Voltage (w/o WX7) |
| BK | 350 | Ground (w/WX7) | |
Marker Lamp - LF (Z88/Z88/W49)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 2309 | Front Park Lamps Supply Voltage |
| B | L-BU | 2114 | Left Turn Signal Lamps Supply Voltage |
Marker Lamp - RF (X88)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 2309 | Front Park Lamps Supply Voltage |
| B | D-BU | 2115 | Right Turn Signal Lamps Supply Voltage (w/o WX7) |
| BK | 250 | Ground (w/WX7) | |
Marker Lamp - RF (Z88/Z89/W49)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 2309 | Front Park Lamps Supply Voltage |
| B | D-BU | 2115 | Right Turn Signal Lamps Supply Voltage |
Park Lamp - LF (W49)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 2309 | Front Park Lamps Supply Voltage |
| B | BK | 350 | Ground |
Park Lamp - RF (W49)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 2309 | Front Park Lamps Supply Voltage |
| B | BK | 250 | Ground |
Park/Turn Signal Lamp - LF (X88)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BK | 350 | Ground |
| B | BN | 2309 | Front Park Lamps Supply Voltage (w/o WX7) |
| C | L-BU | 2114 | Left Turn Signal Lamps Supply Voltage |
Park/Turn Signal Lamp - LF (Z88/Z89)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | L-BU | 2114 | Left Turn Signal |
| B | BN | 2309 | Front Park Lamp Supply Voltage |
| G | BK | 350 | Ground |
Park/Turn Signal Lamp - RF (X88)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BK | 250 | Ground |
| B | BN | 2309 | Front Park Lamps Supply Voltage (w/o WX7) |
| C | D-BU | 2115 | Left Turn Signal Lamps Supply Voltage |
Park/Turn Signal Lamp - RF (Z88/Z89)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | D-BU | 2115 | Right Turn Signal Lamps Supply Voltage |
| B | BN | 2309 | Front Park Lamps Supply Voltage |
| G | BK | 250 | Ground |
Stop Lamp Switch
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | WH | 17 | Stop Lamp Switch Signal |
| WH | 17 | Stop Lamp Switch Signal | |
| B | OG | 1540 | Battery Positive Voltage |
| C | PU | 420 | TCC Brake/Cruise Control Release Signal |
| D | PK | 639 | Ignition 1 Voltage |
| E | D-GN/WH | 1135 | A/T Shift Lock Control Solenoid Supply Voltage |
| F | L-GN/BK | 584 | A/T Shift Lock Control Switch Supply Voltage |
Tail Lamp Circuit Board - Left (T79)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 2509 | Left Rear Park Lamps and License Lamp Supply Voltage |
| B | L-BU | 2114 | Left Turn Signal Lamps Supply Voltage |
| C | RD | 122 | Rear Fog Lamp Supply Voltage |
| D | L-BU | 1320 | Stop Lamp Supply Voltage |
| E | BK | 1550 | Ground |
Tail Lamp Circuit Board - Left (w/o T79)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 2509 | Left Rear Park Lamps and License Lamps Supply Voltage (X88/W49/Z89) |
| L-BU | 1320 | Stop Lamp Supply Voltage (Z88) | |
| B | L-BU | 2114 | Left Turn Signal Lamps Supply Voltage (X88/W49/Z89) |
| C | L-GN | 24 | Backup Lamp Supply Voltage (X88/W49/Z89) |
| BN | 2509 | Left Rear Park Lamps and License Lamps Supply Voltage (Z88) | |
| D | L-BU | 1320 | Stop Lamp Supply Voltage (X88/W49/Z89) |
| L-BU | 2114 | Left Turn Signal Lamps Supply Voltage (Z88) | |
| E | BK | 1550 | Ground |
Tail Lamp Circuit Board - Right
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN/WH | 2609 | Right Rear Park Lamps Supply Voltage (X88/W49/Z89) |
| L-BU | 1320 | Stop Lamp Supply Voltage (Z88) | |
| B | D-BU | 2115 | Right Turn Signal Lamps Supply Voltage (X88/W49/Z89) |
| C | L-GN | 24 | Backup Lamp Supply Voltage (X88/W49/Z89) |
| BN/WH | 2609 | Right Rear Park Lamps Supply Voltage (Z88) | |
| D | L-BU | 1320 | Stop Lamp Supply Voltage (X88/W49/Z89) |
| D-BU | 2115 | Right Turn Signal Lamps Supply Voltage (Z88) | |
| E | BK | 1650 | Ground |
Trailer Connector
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | L-GN | 1624 | Trailer Backup Lamps Supply Voltage |
| B | WH | 22 | Ground |
| C | D-BU | 47 | Trailer Auxiliary Supply Voltage |
| D | D-GN | 1619 | Trailer Right Rear Turn/Stop Lamp Supply Voltage |
| E | RD | 742 | Battery Positive Voltage |
| F | BN | 2109 | Trailer Park Lamps Supply Voltage |
| G | YE | 1618 | Trailer Left Rear Turn/Stop Lamp Supply Voltage |
Turn Signal Lamp - LF (W49)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BK | 350 | Ground |
| B | - | - | Not Used |
| C | L-BU | 2114 | Left Turn Signal Lamps Supply Voltage |
Turn Signal Lamp - RF (W49)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BK | 250 | Ground |
| B | - | - | Not Used |
| C | D-BU | 2115 | Left Turn Signal Lamps Supply Voltage |
Turn Signal/Hazard Flasher Module
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | L-GN | 1427 | Right Turn Signal Switch Signal |
| B | WH | 17 | Stop Lamp Switch Signal |
| C | YE | 18 | Left Rear Stop/Turn Lamp Supply Voltage (UY7) |
| D | D-GN | 19 | Right Rear Stop/Turn Lamp Supply Voltage (UY7) |
| E | BK | 2250 | Ground |
| F | D-GN | 1428 | Left Turn Signal Switch Signal |
| G | WH | 111 | Hazard Switch Signal |
| H | YE | 685 | Left Turn Signal Flasher Signal |
| J | TN | 686 | Right Turn Signal Flasher Signal |
| K | OG | 140 | Battery Positive Voltage |
Turn Signal/Multifunction Switch C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | L-GN | 1427 | Right Turn Signal Switch Signal |
| B | PK | 639 | Ignition 1 Voltage |
| C | D-GN | 1428 | Left Turn Signal Switch Signal |
| D | OG | 57 | Left Cornering Lamp Supply Voltage (T87) |
| E | BN | 2309 | Front Park Lamps Supply Voltage |
| F | BK | 58 | Right Cornering Lamp Supply Voltage (T87) |
| G | BK/YE | 28 | Horn Relay Control |
| H | WH | 111 | Hazard Switch Signal |
Turn Signal/Multifunction Switch C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | TN | 751 | Ground |
| B | YE/BK | 307 | Flash To Pass Signal |
| C | L-GN | 11 | Headlamp High Beam Supply Voltage |
| D-E | - | - | Not Used |
Turn Signal/Multifunction Switch C3
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| G | - | - | Not Used |
| H | PK | 94 | Windshield Washer Switch Signal 1 |
| J | GY | 478 | Windshield Wiper Switch Supply Voltage |
| K | D-BU/WH | 477 | Windshield Wiper Switch High Signal |
| L-N | - | - | Not Used |
Turn Signal/Multifunction Switch C4 (K34)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BN | 341 | Ignition 3 Voltage |
| B | GY/WH | 397 | Cruise Control Switch On Signal |
| C | GY/BK | 87 | Cruise Control Resume/Accel Switch Signal |
| D | D-BU | 84 | Cruise Control Set/Coast Switch Signal |
Vanity Mirror Lamp - Left (DH2)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | OG | 1732 | Courtesy Lamps Supply Voltage |
| B | BK | 1350 | Ground |
Vanity Mirror Lamp - Right (DH2)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | OG | 1732 | Courtesy Lamps Supply Voltage |
| B | BK | 1350 | Ground |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.