Honda Civic VIII (2005-2009) taillight relay Wiring diagrams

+B H/L HI MAIN +B SMALL +B H/L LO MAIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 H/L OFF SW A/T REVERSE RELAY BLK WIRE BLU WIRE BRN WIRE COMBI GRD (WIPER) COMBI GRD (LIGHT) FR WIP INT VR+ CONN 1-6 NOT USED 7 CONN 8-21 NOT USED 22 23 24 25 26 27 28 29 30 31 32 33 34 DOOR LOCK RELAY DRIVER'S DOOR UNLCK RELAY FUSE 1 FUSE 10 FUSE 14 FUSE 14 FUSE 13 FUSE 12 FUSE 17 FUSE 16 FUSE 19 FUSE 19 FUSE 21 FUSE 25 FUSE 35 FUSE 36 FUSE 38 FUSE 4 FUSE 2 FUSE 9 FUSE 11 FUSE 18 GRN WIRE GRY WIRE H/L HI-L H/L HI-R H/L LO HAC HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON HOT IN ON OR ILL+ SMALL RLY- KC T/G (TRUNK) UNLCK LT BLU WIRE LT GRN WIRE MULTIPLEX INTEGRATED CONTROL SYSTEM UNIT (MICU) ODS SRS ABS PUMP P/W ORG/ WIRE PASS- ENGER'S DOOR UNLCK RELAY PNK WIRE PPL RED WIRE S-NET KEYSOL IG KEY SW +B HAZARD TAILLIGHT RELAY TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 2 OF 2) TRUNK LID OPENER RELAY TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) USA USA EX,, SI USA W/ 4-DOOR WHT WIRE WIPER WIPER YEL WIRE

+B H/L HI MAIN +B SMALL +B H/L LO MAIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 H/L OFF SW A/T REVERSE RELAY BLK WIRE BLU WIRE BRN WIRE COMBI GRD (WIPER) COMBI GRD (LIGHT) FR WIP INT VR+ CONN 1-6 NOT USED 7 CONN 8-21 NOT USED 22 23 24 25 26 27 28 29 30 31 32 33 34 DOOR LOCK RELAY DRIVER'S DOOR UNLCK RELAY FUSE 1 FUSE 10 FUSE 14 FUSE 14 FUSE 13 FUSE 12 FUSE 17 FUSE 16 FUSE 19 FUSE 19 FUSE 21 FUSE 25 FUSE 35 FUSE 36 FUSE 23 FUSE 38 FUSE 4 FUSE 2 FUSE 9 FUSE 11 FUSE 18 GRN WIRE GRY WIRE H/L HI-L H/L HI-R H/L LO HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON HOT IN HOT IN ON OR ILL+ SMALL RLY- KC T/G (TRUNK) UNLCK LT BLU WIRE LT GRN WIRE MULTIPLEX INTEGRATED CONTROL SYSTEM UNIT (MICU) ODS SRS ABS PUMP P/W ORG/ WIRE PASS- ENGER'S DOOR UNLCK RELAY PNK WIRE PPL RED WIRE S-NET KEYSOL IG KEY SW +B HAZARD STS HAC TAILLIGHT RELAY TO UNDER-DASH FUSE/RELAY BOX (DIAGRAM 2 OF 2) TRUNK LID OPENER RELAY TRUNK, TAILGATE, FUEL DOORS SYSTEM UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) USA USA W/ 4-DOOR WHT WIRE WIPER WIPER YEL WIRE

1 3 3 1 (2-DR) (EXCEPT 2-DR) BLK WIRE BLU WIRE BRAKE PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE COMBINATION LIGHT SWITCH FUSE 10 FUSE 12 FUSE 15 FUSE 19 FUSE 23 GAUGE CONTROL MODULE (SPEEDO) GRN WIRE GRY WIRE H/L ON SW H/L OFF SW SMALL LT SW COMBI GDN TURN R SW TURN L SW HAZ SW HEAD HEADLIGHT SWITCH HOT AT ALL TIMES LEFT LEFT FRONT SIDE MARKER/ PARKING/ TURN SIGNAL LIGHT LEFT REAR TURN SIGNAL LIGHT LEFT TURN SIGNAL INDICATOR LT GRN WIRE MICU OFF HEAD ORG/ WIRE P-GND P-GND P-GND PARK PARK OFF PNK WIRE RED WIRE RELAY 2 (SOUNDER) TURN SIGNAL/HAZARD RIGHT RIGHT FRONT SIDE MARKER/ PARKING/ TURN SIGNAL LIGHT RIGHT REAR TURN SIGNAL LIGHT RIGHT TURN SIGNAL INDICATOR S GND TAILLIGHT RELAY TURN SIGNAL SWITCH TURN SIGNAL/ HAZARD FLASHER CIRCUIT UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) VBU WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BRAKE PEDAL POSITION SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) BRN WIRE COMBINATION LIGHT SWITCH FUSE 10 FUSE 12 FUSE 15 FUSE 19 FUSE 23 GAUGE CONTROL MODULE (SPEEDO) GRN WIRE GRY WIRE H/L ON SW H/L OFF SW SMALL LT SW COMBI GDN TURN R SW TURN L SW HAZ SW HEAD HEADLIGHT SWITCH HOT AT ALL TIMES LEFT LEFT FRONT SIDE MARKER/ PARKING/ TURN SIGNAL LIGHT LEFT REAR TURN SIGNAL LIGHT LEFT TURN SIGNAL INDICATOR LT GRN WIRE MICU OFF HEAD ORG/ WIRE P-GND P-GND P-GND PARK PARK OFF PNK WIRE RED WIRE RELAY 2 (SOUNDER) TURN SIGNAL/HAZARD RIGHT RIGHT FRONT SIDE MARKER/ PARKING/ TURN SIGNAL LIGHT RIGHT REAR TURN SIGNAL LIGHT RIGHT TURN SIGNAL INDICATOR S GND TAILLIGHT RELAY TURN SIGNAL SWITCH TURN SIGNAL/ HAZARD FLASHER CIRCUIT UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) VBU WHT WIRE YEL WIRE

10 11 12 13 14 15 16 17 PPL BLK WIRE BLU WIRE BRN WIRE DOOR LOCK KNOB SWITCH DOOR LOCK RELAY DRIVER' DOOR LOCK ACTUATOR/KNOB SWITCH DRIVER'S DOOR UNLOCK RELAY FRONT PASSENGER'S DOOR LOCK ACTUATOR/KNOB SWITCH FUSE 10 FUSE 15 FUSE 16 FUSE 17 FUSE 19 FUSE 21 FUSE 25 GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN RELAY HOT AT ALL TIMES HOT IN ON OR START IG KEY SW VBU VBU B-CAN TRUNK SW AT-P IMMOBILIZER CIRCUIT JUNCTION CONNECTOR KEY KEY CYLINDER SWITCH LOCK LOW BEAM HEAD- LIGHT RELAY LT GRN WIRE MICU ORG/ WIRE P-GND P-GND P-GND PASSENGER'S DOOR UNLOCK RELAY PNK 5 6 7 8 9 WIRE PNK PNK WIRE PNK WIRE PPL RED WIRE RIGHT REAR DOOR LOCK ACTUATOR/KNOB SWITCH (4 DOOR) S GND TAILLIGHT RELAY UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNLOCK WHT WIRE YEL WIRE

4 DOOR BLK WIRE BLU WIRE BRN WIRE DOOR LOCK KNOB SWITCH DOOR LOCK RELAY DRIVER' DOOR LOCK ACTUATOR/KNOB SWITCH DRIVER'S DOOR UNLOCK RELAY FRONT PASSENGER'S DOOR LOCK ACTUATOR/KNOB SWITCH FUSE 10 FUSE 15 FUSE 16 FUSE 17 FUSE 19 FUSE 21 FUSE 25 GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN RELAY HOT AT ALL TIMES HOT IN ON OR START IMMOBILIZER CIRCUIT JUNCTION CONNECTOR KEY CYLINDER SWITCH LOCK LOCK (2 DOOR) (BEHIND LEFT KICK PANEL) LOCK PNK WIRE LOW BEAM HEAD- LIGHT RELAY LT BLU WIRE LT GRN WIRE MICU ORG/ WIRE P-GND P-GND P-GND PASSENGER'S DOOR UNLOCK RELAY PNK PNK WIRE PNK WIRE PPL RED WIRE RIGHT REAR DOOR LOCK ACTUATOR/KNOB SWITCH (4 DOOR) S GND TAILLIGHT RELAY TRUNK LID OPENER RELAY (EX, SI) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNLOCK UNLOCK KEY WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE DOOR LOCK KNOB SWITCH DOOR LOCK RELAY DRIVER' DOOR LOCK ACTUATOR/KNOB SWITCH DRIVER'S DOOR UNLOCK RELAY FRONT PASSENGER'S DOOR LOCK ACTUATOR/KNOB SWITCH FUSE 10 FUSE 15 FUSE 16 FUSE 17 FUSE 19 FUSE 25 GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN RELAY HOT AT ALL TIMES HOT IN ON OR START IMMOBILIZER CIRCUIT JUNCTION CONNECTOR KEY KEY CYLINDER SWITCH LOCK LOCK PNK WIRE LOW BEAM HEAD- LIGHT RELAY LT BLU WIRE LT GRN WIRE MICU ORG/ WIRE P-GND P-GND P-GND PASSENGER'S DOOR UNLOCK RELAY PNK PNK WIRE PNK WIRE PPL RED WIRE RIGHT REAR DOOR LOCK ACTUATOR/KNOB SWITCH S GND TAILLIGHT RELAY TRUNK LID OPENER RELAY (US) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNLOCK WHT WIRE YEL WIRE

A/T GEAR POSITION CONSOLE LIGHT (A/T) AMBIENT LIGHT IN-LINE FUSE (IF EQUIPPED) (BEHIND LEFT SIDE OF DASH) AUDIO UNIT (EXCEPT NAVIGATION) NAVIGATION UNIT (USA: EX, SI) BLK WIRE BRIGHTENING SWITCH BRN WIRE CIGARETTE LIGHTER LIGHT CONNECTOR (2 DOOR) COMBINATION LIGHT SWITCH CONTROLLER AREA NETWORK CONTROLLER DASH LIGHTS BRIGHTNESS CONTROLLER (LEFT SIDE OF DASH) DIMMING SWITCH FUSE 10 FUSE 14 FUSE 19 FUSE 23 GAUGE CONTROL MODULE (TACH) GRY WIRE H/L ON SW H/L OFF SW SMALL LT SW COMBI GDN HAZARD WARNING SWITCH HEAD HEADLIGHT SWITCH HEATER CONTROL PANEL HOT AT ALL TIMES HOT IN ON OR START ILLUM MICU OFF HEAD ORG/ WIRE P-GND P-GND P-GND PARK PARK OFF PNK WIRE POWER WINDOW SYSTEM RED WIRE RED/BLK (OR RED) WIRE RED/BLK WIRE RED/BLU WIRE S GND TAILLIGHT RELAY UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT SIDE OF ENGINE COMPT) VBU YEL WIRE

A/T GEAR POSITION CONSOLE LIGHT (A/T) AMBIENT LIGHT IN-LINE FUSE (IF EQUIPPED) (BEHIND LEFT SIDE OF DASH) AUDIO UNIT (EXCEPT NAVIGATION) NAVIGATION UNIT (USA: EX, SI) BLK WIRE BRIGHTENING SWITCH BRN WIRE CLIMATE CONTROL PANEL COMBINATION LIGHT SWITCH CONTROLLER AREA NETWORK CONTROLLER DASH LIGHTS BRIGHTNESS CONTROLLER (LEFT SIDE OF DASH) DIMMING SWITCH FRONT PASSENGER'S AIRBAG CUT-OFF INDICATOR FUSE 10 FUSE 14 FUSE 19 FUSE 23 GAUGE CONTROL MODULE (TACH) GRY WIRE H/L ON SW H/L OFF SW SMALL LT SW COMBI GDN HAZARD WARNING SWITCH HEAD HEADLIGHT SWITCH HOT AT ALL TIMES HOT IN ON OR START ILLUM MICU OFF HEAD ORG/ WIRE P-GND P-GND P-GND PARK PARK OFF PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE S GND TAILLIGHT RELAY UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNDER-DASH JUNCTION BOX (UNDER LEFT SIDE OF DASH) UNDER-HOOD FUSE/RELAY BOX (LEFT REAR OF ENGINE COMPT) VBU YEL WIRE

10 11 12 13 14 15 16 17 PPL BLK WIRE BLU WIRE BRN WIRE DOOR LOCK KNOB SWITCH DOOR LOCK RELAY DRIVER' DOOR LOCK ACTUATOR/KNOB SWITCH DRIVER'S DOOR UNLOCK RELAY FRONT PASSENGER'S DOOR LOCK ACTUATOR/KNOB SWITCH FUSE 10 FUSE 15 FUSE 16 FUSE 17 FUSE 19 FUSE 21 FUSE 25 GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN RELAY HOT AT ALL TIMES HOT IN ON OR START IG KEY SW VBU VBU B-CAN TRUNK SW AT-P IMMOBILIZER CIRCUIT JUNCTION CONNECTOR KEY KEY CYLINDER SWITCH LOCK LOW BEAM HEAD- LIGHT RELAY LT GRN WIRE MICU ORG/ WIRE P-GND P-GND P-GND PASSENGER'S DOOR UNLOCK RELAY PNK 5 6 7 8 9 WIRE PNK PNK WIRE PNK WIRE PPL RED WIRE RIGHT REAR DOOR LOCK ACTUATOR/KNOB SWITCH (4 DOOR) S GND TAILLIGHT RELAY UNDER-DASH FUSE/RELAY BOX (UNDER LEFT END OF DASH) UNLOCK WHT WIRE YEL WIRE