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VW PASSAT 3C BI-XENON WIRING DIAGRAM

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The document provides a diagram of the current flow for the headlight and lighting systems in a Volkswagen Passat, including: - The left and right headlights, gas discharge bulbs, cornering lights and associated control units and motors. - The control unit for the cornering lights and headlight range control, along with front and rear vehicle level sensors. - The steering column electronics control unit, diagnostic interface, turn signal switch, headlight switch and other lighting control switches. - Key components are identified along with their connectors and earth points. Notes provide information on fittings, faults finding and changes over time.

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Passat Current Flow Diagram No.  36 / 1 Edition 09.2007 Gas discharge headlights (bi-xenon) (8Q4/8Q6) ● Cornering light, dynamic ● Cornering light, static ● Headlight range, dynamic From November 2004 Notes: For information concerning Relay and fuse assignment Multi-pin connectors Control units and relays Earth connections → List of Fitting Locations! For information concerning Fault Finding Programs → Guided Fault Finding
Passat Current Flow Diagram No.  36 / 2 Left headlight, power output module for left headlight, left gas discharge bulb, left dynamic cornering light control motor G474 - Left swivel module position sensor J343 - Left gas discharge bulb control unit J519 - Onboard supply control unit J667 - Power output module for left headlight L13 - Left gas discharge (xenon) bulb M1 - Left side light bulb M51 - Left static cornering light SC5 - Fuse 5 on fuse holder C T4ba - 4-pin connector, in headlight T4bb - 4-pin connector, in headlight T5r - 5-pin connector, in headlight T5t - 5-pin connector, in headlight T11 - 11-pin connector, black T11a - 11-pin connector, brown T12t - 12-pin connector, in headlight T14d - 14-pin connector T49 - 49-pin connector on left dash panel V48 - Left headlight range control motor V294 - Left dip beam screen motor V318 - Left dynamic cornering light control motor ws = white - Earth connection 6, in main wiring harness 371 sw = black ro = red br = brown - Earth point 1, on front of left longitudinal member 671 gn = green bl = blue gr = grey li = purple ge = yellow or = orange rs = pink
Passat Current Flow Diagram No.  36 / 3 Right headlight, right dynamic cornering light control motor, right gas discharge bulb, right dynamic cornering light control motor G475 - Right swivel module position sensor J344 - Right gas discharge bulb control unit J519 - Onboard supply control unit J668 - Power output module for right headlight L14 - Right gas discharge (xenon) bulb M3 - Right side light bulb M52 - Right static cornering light SD5 - Fuse 5 on fuse holder D T4bc - 4-pin connector, in headlight T4bd - 4-pin connector, in headlight T5s - 5-pin connector, in headlight T5u - 5-pin connector, in headlight T11 - 11-pin connector, black T11a - 11-pin connector, brown T12u - 12-pin connector, in headlight T14e - 14-pin connector T44 - 44-pin connector on right of dash panel V49 - Right headlight range control motor V295 - Right dip beam screen motor V319 - Right dynamic cornering light control motor ws = white - Earth connection 5, in interior wiring harness 279 sw = black ro = red br = brown - Earth point 1 at front of right longitudinal member 685 gn = green bl = blue gr = grey - Connection 1 (56), in main wiring harness B338 li = purple ge = yellow or = orange - Connection (CAN bus, high), in headlight wiring harness C67 rs = pink - Connection (CAN bus, low), in headlight wiring harness C68 * - Discontinued from November 2006
Passat Current Flow Diagram No.  36 / 4 Front and rear left vehicle level sender G76 - Rear left vehicle level sender G78 - Front left vehicle level sender J519 - Onboard supply control unit J745 - Control unit for cornering light and headlight range control, behind glove compartment SD7 - Fuse 7 on fuse holder D T26 - 26-pin connector T4v - 4-pin connector T4w - 4-pin connector T44 - 44-pin connector on right of dash panel - Earth point, on right A-pillar 638 - Connection 1 (56), in main wiring harness B338 - Connection 17 in main wiring harness B481 - Connection 24 in main wiring harness B488 - Connection 25 in main wiring harness B489 ws = white - Connection 26 in main wiring harness B490 sw = black ro = red br = brown - Connection 27 in main wiring harness B536 gn = green bl = blue gr = grey - Connection 39 in main wiring harness B572 li = purple ge = yellow or = orange - Connection (CAN bus, high), in headlight wiring harness C67 rs = pink - Connection (CAN bus, low), in headlight wiring harness C68 * - Discontinued from November 2006
Passat Current Flow Diagram No.  36 / 5 Headlight dipper and flasher switch, steering column electronics control unit, data bus diagnostic interface E2 - Turn signal switch E4 - Headlight dipper and flasher switch J519 - Onboard supply control unit J527 - Steering column electronics control unit J533 - Data bus diagnosis interface T12m - 12-pin connector, black T16d - 16-pin connector, self-diagnosis connection T20d - 20-pin connector T20e - 20-pin connector - Connection 1 (powertrain CAN bus, high), in main wiring B383 harness - Connection 2 (powertrain CAN bus, high), in main wiring B384 harness - Connection 1 (powertrain CAN bus, low), in main wiring B390 harness - Connection 2 (powertrain CAN bus, low), in main wiring B391 harness - Connection 1 (convenience CAN bus, high), in main wiring B397 harness ws = white - Connection 1 (convenience CAN bus, low), in main wiring B406 sw = black harness ro = red br = brown gn = green bl = blue gr = grey li = purple ge = yellow or = orange rs = pink
Passat Current Flow Diagram No.  36 / 6 Light switch, fog light switch, light switch illumination bulb, hazard warning lights button E1 - Light switch E7 - Fog light switch E18 - Rear fog light switch J519 - Onboard supply control unit L9 - Light switch illumination bulb SC13 - Fuse 13 on fuse holder C SC40 - Fuse 40 on fuse holder C T10j - 10-pin connector, black T12i - 12-pin connector, black T16g - 16-pin connector, black T49 - 49-pin connector on left dash panel - Earth connection 2, in interior wiring harness 249 - Earth point, left A-pillar 639 - Connection 17 (30a), in main wiring harness B331 - Connection 1 (58d), in main wiring harness B340 ws = white - Connection 2 (58d), in main wiring harness B341 sw = black ro = red br = brown * - Only on vehicles with assistant driving lights gn = green ** - Only on vehicles with day driving lights bl = blue *** - For American markets depending on equipment gr = grey li = purple ge = yellow or = orange rs = pink
Passat Current Flow Diagram No.  137 / 1 Edition 05.2008 Gas discharge headlights (bi-xenon) ● Dynamic cornering light ● Static cornering light ● Dynamic headlight range control from July 2007 Notes: For information concerning Relay and fuse assignment Multi-pin connectors Control units and relays Earth connections → Overview of Fitting Locations! For information concerning Fault Finding Programs → Guided Fault Finding
Passat Current Flow Diagram No.  137 / 2 Left headlight, left headlight power output module, left gas discharge bulb, left dynamic cornering light control motor G474 - Left swivel module position sensor J343 - Left gas discharge bulb control unit J519 - Onboard supply control unit J667 - Power output module for left headlight L13 - Left gas discharge (xenon) bulb M1 - Left side light bulb M51 - Left static cornering light SC5 - Fuse 5 on fuse holder C T4ba - 4-pin connector, in headlight T4bb - 4-pin connector, in headlight T5r - 5-pin connector, in headlight T10an - 10-pin connector T11 - 11-pin connector, black T11a - 11-pin connector, brown T12t - 12-pin connector, in headlight T14d - 14-pin connector V48 - Left headlight range control motor V294 - Left dip beam screen motor V318 - Left dynamic cornering light control motor - Earth connection 6, in main wiring harness 371 ws = white sw = black - Earth point 3, on front of left longitudinal member ro = red 673 br = brown gn = green * - Applicable from May 2008 bl = blue gr = grey li = purple ge = yellow or = orange rs = pink
Passat Current Flow Diagram No.  137 / 3 Right headlight, right dynamic cornering light control motor, right gas discharge bulb, right dynamic cornering light control motor G475 - Right swivel module position sensor J344 - Right gas discharge bulb control unit J519 - Onboard supply control unit J668 - Power output module for right headlight L14 - Right gas discharge (xenon) bulb M3 - Right side light bulb M52 - Right static cornering light SC8 - Fuse 8 on fuse holder C SD5 - Fuse 5 on fuse holder D T4bc - 4-pin connector, in headlight T4bd - 4-pin connector, in headlight T5s - 5-pin connector, in headlight T10ao - 10-pin connector T11 - 11-pin connector, black T11a - 11-pin connector, brown T12u - 12-pin connector, in headlight T14e - 14-pin connector V49 - Right headlight range control motor V295 - Right dip beam screen motor V319 - Right dynamic cornering light control motor ws = white - Earth connection 5, in interior wiring harness 279 sw = black ro = red br = brown - Earth point 1 at front of right longitudinal member 685 gn = green bl = blue gr = grey - Connection (CAN bus, high), in headlight wiring harness C67 li = purple ge = yellow or = orange - Connection (CAN bus, low), in headlight wiring harness C68 rs = pink * - Applicable from May 2008
Passat Current Flow Diagram No.  137 / 4 Control unit for cornering light and headlight range control, front and rear left vehicle level senders G76 - Rear left vehicle level sender G78 - Front left vehicle level sender J519 - Onboard supply control unit J745 - Cornering light and headlight range control unit, behind glove compartment SC4 - Fuse 4 on fuse holder C SD7 - Fuse 7 on fuse holder D T4v - 4-pin connector T4w - 4-pin connector T26 - 26-pin connector - Earth point, on right A-pillar 638 - Connection 1 (15a), in main wiring harness B277 - Connection 17, in main wiring harness B481 - Connection 24, in main wiring harness B488 - Connection 25, in main wiring harness B489 ws = white - Connection 26, in main wiring harness sw = black B490 ro = red br = brown - Connection 27, in main wiring harness gn = green B536 bl = blue gr = grey - Connection 39, in main wiring harness li = purple B572 ge = yellow or = orange - Connection (CAN bus, high), in headlight wiring harness C67 rs = pink - Connection (CAN bus, low), in headlight wiring harness C68 * - Applicable from May 2008 ** - Applicable to April 2008
Passat Current Flow Diagram No.  137 / 5 Headlight dipper and flasher switch, steering column electronics control unit, data bus diagnostic interface, turn signal switch E2 - Turn signal switch E4 - Headlight dipper and flasher switch J519 - Onboard supply control unit J527 - Steering column electronics control unit J533 - Data bus diagnosis interface T12m - 12-pin connector, black T16d - 16-pin connector, self-diagnosis connection T20d - 20-pin connector T20e - 20-pin connector - Connection 1 (powertrain CAN bus, high), in main wiring B383 harness - Connection 2 (powertrain CAN bus, high), in main wiring B384 harness - Connection 1 (powertrain CAN bus, low), in main wiring B390 harness - Connection 2 (powertrain CAN bus, low), in main wiring B391 harness - Connection 1 (convenience CAN bus, high), in main wiring B397 harness ws = white - Connection 1 (convenience CAN bus, low), in main wiring B406 sw = black harness ro = red br = brown gn = green bl = blue gr = grey li = purple ge = yellow or = orange rs = pink
Passat Current Flow Diagram No.  137 / 6 Light switch, fog light switch, light switch illumination bulb, button for hazard warning lights E1 - Light switch E7 - Fog light switch E18 - Rear fog light switch J519 - Onboard supply control unit L9 - Light switch illumination bulb SC3 - Fuse 3 on fuse holder C SC13 - Fuse 13 on fuse holder C SC40 - Fuse 40 on fuse holder C T10j - 10-pin connector, black T12i - 12-pin connector, black T16g - 16-pin connector, black - Earth connection 2, in interior wiring harness 249 - Earth point, left A-pillar 639 - Connection 13 (15a), in main wiring harness B289 - Connection 17 (30a), in main wiring harness B331 ws = white - Connection 1 (58d), in main wiring harness B340 sw = black ro = red br = brown - Connection 2 (58d), in main wiring harness B341 gn = green bl = blue gr = grey * - Applicable from May 2008 li = purple ** - Only models with daytime running lights ge = yellow or = orange *** - Depends on equipment for American markets rs = pink --- - Only models with driving light assist
Passat Current Flow Diagram No.  137 / 7 Switches and instruments illumination regulator, button illumination bulb E20 - Switch and instrument illumination regulator J519 - Onboard supply control unit L76 - Button illumination bulb T6ap - 6-pin connector, black T8g - 8-pin connector T12m - 12-pin connector, black - Earth point, next to steering column 42 - Earth connection 1, in interior wiring harness 238 - Earth connection 3, in interior wiring harness 277 - Earth point, left A-pillar 639 ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = purple ge = yellow or = orange rs = pink

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VW PASSAT 3C BI-XENON WIRING DIAGRAM

  • 1. Passat Current Flow Diagram No.  36 / 1 Edition 09.2007 Gas discharge headlights (bi-xenon) (8Q4/8Q6) ● Cornering light, dynamic ● Cornering light, static ● Headlight range, dynamic From November 2004 Notes: For information concerning Relay and fuse assignment Multi-pin connectors Control units and relays Earth connections → List of Fitting Locations! For information concerning Fault Finding Programs → Guided Fault Finding
  • 2. Passat Current Flow Diagram No.  36 / 2 Left headlight, power output module for left headlight, left gas discharge bulb, left dynamic cornering light control motor G474 - Left swivel module position sensor J343 - Left gas discharge bulb control unit J519 - Onboard supply control unit J667 - Power output module for left headlight L13 - Left gas discharge (xenon) bulb M1 - Left side light bulb M51 - Left static cornering light SC5 - Fuse 5 on fuse holder C T4ba - 4-pin connector, in headlight T4bb - 4-pin connector, in headlight T5r - 5-pin connector, in headlight T5t - 5-pin connector, in headlight T11 - 11-pin connector, black T11a - 11-pin connector, brown T12t - 12-pin connector, in headlight T14d - 14-pin connector T49 - 49-pin connector on left dash panel V48 - Left headlight range control motor V294 - Left dip beam screen motor V318 - Left dynamic cornering light control motor ws = white - Earth connection 6, in main wiring harness 371 sw = black ro = red br = brown - Earth point 1, on front of left longitudinal member 671 gn = green bl = blue gr = grey li = purple ge = yellow or = orange rs = pink
  • 3. Passat Current Flow Diagram No.  36 / 3 Right headlight, right dynamic cornering light control motor, right gas discharge bulb, right dynamic cornering light control motor G475 - Right swivel module position sensor J344 - Right gas discharge bulb control unit J519 - Onboard supply control unit J668 - Power output module for right headlight L14 - Right gas discharge (xenon) bulb M3 - Right side light bulb M52 - Right static cornering light SD5 - Fuse 5 on fuse holder D T4bc - 4-pin connector, in headlight T4bd - 4-pin connector, in headlight T5s - 5-pin connector, in headlight T5u - 5-pin connector, in headlight T11 - 11-pin connector, black T11a - 11-pin connector, brown T12u - 12-pin connector, in headlight T14e - 14-pin connector T44 - 44-pin connector on right of dash panel V49 - Right headlight range control motor V295 - Right dip beam screen motor V319 - Right dynamic cornering light control motor ws = white - Earth connection 5, in interior wiring harness 279 sw = black ro = red br = brown - Earth point 1 at front of right longitudinal member 685 gn = green bl = blue gr = grey - Connection 1 (56), in main wiring harness B338 li = purple ge = yellow or = orange - Connection (CAN bus, high), in headlight wiring harness C67 rs = pink - Connection (CAN bus, low), in headlight wiring harness C68 * - Discontinued from November 2006
  • 4. Passat Current Flow Diagram No.  36 / 4 Front and rear left vehicle level sender G76 - Rear left vehicle level sender G78 - Front left vehicle level sender J519 - Onboard supply control unit J745 - Control unit for cornering light and headlight range control, behind glove compartment SD7 - Fuse 7 on fuse holder D T26 - 26-pin connector T4v - 4-pin connector T4w - 4-pin connector T44 - 44-pin connector on right of dash panel - Earth point, on right A-pillar 638 - Connection 1 (56), in main wiring harness B338 - Connection 17 in main wiring harness B481 - Connection 24 in main wiring harness B488 - Connection 25 in main wiring harness B489 ws = white - Connection 26 in main wiring harness B490 sw = black ro = red br = brown - Connection 27 in main wiring harness B536 gn = green bl = blue gr = grey - Connection 39 in main wiring harness B572 li = purple ge = yellow or = orange - Connection (CAN bus, high), in headlight wiring harness C67 rs = pink - Connection (CAN bus, low), in headlight wiring harness C68 * - Discontinued from November 2006
  • 5. Passat Current Flow Diagram No.  36 / 5 Headlight dipper and flasher switch, steering column electronics control unit, data bus diagnostic interface E2 - Turn signal switch E4 - Headlight dipper and flasher switch J519 - Onboard supply control unit J527 - Steering column electronics control unit J533 - Data bus diagnosis interface T12m - 12-pin connector, black T16d - 16-pin connector, self-diagnosis connection T20d - 20-pin connector T20e - 20-pin connector - Connection 1 (powertrain CAN bus, high), in main wiring B383 harness - Connection 2 (powertrain CAN bus, high), in main wiring B384 harness - Connection 1 (powertrain CAN bus, low), in main wiring B390 harness - Connection 2 (powertrain CAN bus, low), in main wiring B391 harness - Connection 1 (convenience CAN bus, high), in main wiring B397 harness ws = white - Connection 1 (convenience CAN bus, low), in main wiring B406 sw = black harness ro = red br = brown gn = green bl = blue gr = grey li = purple ge = yellow or = orange rs = pink
  • 6. Passat Current Flow Diagram No.  36 / 6 Light switch, fog light switch, light switch illumination bulb, hazard warning lights button E1 - Light switch E7 - Fog light switch E18 - Rear fog light switch J519 - Onboard supply control unit L9 - Light switch illumination bulb SC13 - Fuse 13 on fuse holder C SC40 - Fuse 40 on fuse holder C T10j - 10-pin connector, black T12i - 12-pin connector, black T16g - 16-pin connector, black T49 - 49-pin connector on left dash panel - Earth connection 2, in interior wiring harness 249 - Earth point, left A-pillar 639 - Connection 17 (30a), in main wiring harness B331 - Connection 1 (58d), in main wiring harness B340 ws = white - Connection 2 (58d), in main wiring harness B341 sw = black ro = red br = brown * - Only on vehicles with assistant driving lights gn = green ** - Only on vehicles with day driving lights bl = blue *** - For American markets depending on equipment gr = grey li = purple ge = yellow or = orange rs = pink
  • 7. Passat Current Flow Diagram No.  137 / 1 Edition 05.2008 Gas discharge headlights (bi-xenon) ● Dynamic cornering light ● Static cornering light ● Dynamic headlight range control from July 2007 Notes: For information concerning Relay and fuse assignment Multi-pin connectors Control units and relays Earth connections → Overview of Fitting Locations! For information concerning Fault Finding Programs → Guided Fault Finding
  • 8. Passat Current Flow Diagram No.  137 / 2 Left headlight, left headlight power output module, left gas discharge bulb, left dynamic cornering light control motor G474 - Left swivel module position sensor J343 - Left gas discharge bulb control unit J519 - Onboard supply control unit J667 - Power output module for left headlight L13 - Left gas discharge (xenon) bulb M1 - Left side light bulb M51 - Left static cornering light SC5 - Fuse 5 on fuse holder C T4ba - 4-pin connector, in headlight T4bb - 4-pin connector, in headlight T5r - 5-pin connector, in headlight T10an - 10-pin connector T11 - 11-pin connector, black T11a - 11-pin connector, brown T12t - 12-pin connector, in headlight T14d - 14-pin connector V48 - Left headlight range control motor V294 - Left dip beam screen motor V318 - Left dynamic cornering light control motor - Earth connection 6, in main wiring harness 371 ws = white sw = black - Earth point 3, on front of left longitudinal member ro = red 673 br = brown gn = green * - Applicable from May 2008 bl = blue gr = grey li = purple ge = yellow or = orange rs = pink
  • 9. Passat Current Flow Diagram No.  137 / 3 Right headlight, right dynamic cornering light control motor, right gas discharge bulb, right dynamic cornering light control motor G475 - Right swivel module position sensor J344 - Right gas discharge bulb control unit J519 - Onboard supply control unit J668 - Power output module for right headlight L14 - Right gas discharge (xenon) bulb M3 - Right side light bulb M52 - Right static cornering light SC8 - Fuse 8 on fuse holder C SD5 - Fuse 5 on fuse holder D T4bc - 4-pin connector, in headlight T4bd - 4-pin connector, in headlight T5s - 5-pin connector, in headlight T10ao - 10-pin connector T11 - 11-pin connector, black T11a - 11-pin connector, brown T12u - 12-pin connector, in headlight T14e - 14-pin connector V49 - Right headlight range control motor V295 - Right dip beam screen motor V319 - Right dynamic cornering light control motor ws = white - Earth connection 5, in interior wiring harness 279 sw = black ro = red br = brown - Earth point 1 at front of right longitudinal member 685 gn = green bl = blue gr = grey - Connection (CAN bus, high), in headlight wiring harness C67 li = purple ge = yellow or = orange - Connection (CAN bus, low), in headlight wiring harness C68 rs = pink * - Applicable from May 2008
  • 10. Passat Current Flow Diagram No.  137 / 4 Control unit for cornering light and headlight range control, front and rear left vehicle level senders G76 - Rear left vehicle level sender G78 - Front left vehicle level sender J519 - Onboard supply control unit J745 - Cornering light and headlight range control unit, behind glove compartment SC4 - Fuse 4 on fuse holder C SD7 - Fuse 7 on fuse holder D T4v - 4-pin connector T4w - 4-pin connector T26 - 26-pin connector - Earth point, on right A-pillar 638 - Connection 1 (15a), in main wiring harness B277 - Connection 17, in main wiring harness B481 - Connection 24, in main wiring harness B488 - Connection 25, in main wiring harness B489 ws = white - Connection 26, in main wiring harness sw = black B490 ro = red br = brown - Connection 27, in main wiring harness gn = green B536 bl = blue gr = grey - Connection 39, in main wiring harness li = purple B572 ge = yellow or = orange - Connection (CAN bus, high), in headlight wiring harness C67 rs = pink - Connection (CAN bus, low), in headlight wiring harness C68 * - Applicable from May 2008 ** - Applicable to April 2008
  • 11. Passat Current Flow Diagram No.  137 / 5 Headlight dipper and flasher switch, steering column electronics control unit, data bus diagnostic interface, turn signal switch E2 - Turn signal switch E4 - Headlight dipper and flasher switch J519 - Onboard supply control unit J527 - Steering column electronics control unit J533 - Data bus diagnosis interface T12m - 12-pin connector, black T16d - 16-pin connector, self-diagnosis connection T20d - 20-pin connector T20e - 20-pin connector - Connection 1 (powertrain CAN bus, high), in main wiring B383 harness - Connection 2 (powertrain CAN bus, high), in main wiring B384 harness - Connection 1 (powertrain CAN bus, low), in main wiring B390 harness - Connection 2 (powertrain CAN bus, low), in main wiring B391 harness - Connection 1 (convenience CAN bus, high), in main wiring B397 harness ws = white - Connection 1 (convenience CAN bus, low), in main wiring B406 sw = black harness ro = red br = brown gn = green bl = blue gr = grey li = purple ge = yellow or = orange rs = pink
  • 12. Passat Current Flow Diagram No.  137 / 6 Light switch, fog light switch, light switch illumination bulb, button for hazard warning lights E1 - Light switch E7 - Fog light switch E18 - Rear fog light switch J519 - Onboard supply control unit L9 - Light switch illumination bulb SC3 - Fuse 3 on fuse holder C SC13 - Fuse 13 on fuse holder C SC40 - Fuse 40 on fuse holder C T10j - 10-pin connector, black T12i - 12-pin connector, black T16g - 16-pin connector, black - Earth connection 2, in interior wiring harness 249 - Earth point, left A-pillar 639 - Connection 13 (15a), in main wiring harness B289 - Connection 17 (30a), in main wiring harness B331 ws = white - Connection 1 (58d), in main wiring harness B340 sw = black ro = red br = brown - Connection 2 (58d), in main wiring harness B341 gn = green bl = blue gr = grey * - Applicable from May 2008 li = purple ** - Only models with daytime running lights ge = yellow or = orange *** - Depends on equipment for American markets rs = pink --- - Only models with driving light assist
  • 13. Passat Current Flow Diagram No.  137 / 7 Switches and instruments illumination regulator, button illumination bulb E20 - Switch and instrument illumination regulator J519 - Onboard supply control unit L76 - Button illumination bulb T6ap - 6-pin connector, black T8g - 8-pin connector T12m - 12-pin connector, black - Earth point, next to steering column 42 - Earth connection 1, in interior wiring harness 238 - Earth connection 3, in interior wiring harness 277 - Earth point, left A-pillar 639 ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = purple ge = yellow or = orange rs = pink