Lexus GS II facelift (2000-2004) junction connector j/c 20 (above left rear wheelwell) Wiring diagrams

DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) GAUGE FUSE HOT IN RUN OR START JUNCTION CONNECTOR J/C 1 (IN ECU BOX) JUNCTION CONNECTOR J/C 17 (UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR J/C 19 (ABOVE LEFT REAR WHEELWELL) JUNCTION CONNECTOR J/C 20 (ABOVE LEFT REAR WHEELWELL) JUNCTION CONNECTOR J/C 27 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR J/C 3, 4 (IN ECU BOX) LEFT REAR COMBINATION LIGHT (INNER) BACK- UP PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) RED (OR GRN) WIRE RED WIRE RED/BLK WIRE RED/BLU (OR RED) WIRE RED/BLU (OR VIO/WHT) WIRE RED/BLU WIRE RIGHT REAR COMBINATION LIGHT (INNER) BACK- UP WHT/BLK WIRE

4 2 8 7 6 16 18 3 5 19 25 CPUB BDR SIG 4 8 2 7 6 18 16 3 5 19 25 CPUB SIG BDR BJ (UNDER LEFT C-PILLAR) BL (CENTER OF REAR SHELF) BLK/RED WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE CTY CTYE CTYB CTY RRLP GRD CTYE CTY CTYB CTY RRLP GRD FUSE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES JUNCTION CONNECTOR J/C 20 (ABOVE LEFT REAR WHEELWELL) LEFT REAR DOOR COURTESY LIGHT LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR ECU (IN LEFT REAR DOOR LEFT REAR INTERIOR LIGHT LEFT VANITY LIGHT RIGHT VANITY LIGHT LUGGAGE COMPARTMENT DOOR COURTESY SWITCH LUGGAGE COMPARTMENT LIGHT NOISE FILTER (STOPLIGHT) (AT LEFT FRONT CORNER OF LUGGAGE COMPT) ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE JUNCTION BLOCK (BEHIND RIGHT KICK PANEL) POWER SEAT ECU (BEHIND LEFT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR COURTESY LIGHT RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) RIGHT REAR INTERIOR LIGHT W/ MEMORY SEATS W/O MEMORY SEATS W/O MEMORY SEATS W/ MEMORY SEATS WHT/BLK WIRE WHT/RED WIRE

AUTO ANTENNA CONTROL RELAY, MOTOR BJ (UNDER LEFT C-PILLAR) BK (ABOVE LEFT REAR WHEEL- WELL) BLK WIRE BM (UNDER RIGHT "C" PILLAR) BRN WIRE BULB DRIVER'S SEAT CONTROL SWITCH DRIVER'S SEAT FRONT VERTICAL POSITION SENSOR DRIVER'S SEAT LUMBAR CONTROL SWITCH DRIVER'S SEAT REAR VERTICAL POSITION SENSOR DRIVER'S SEAT SLIDE POSITION SENSOR DRIVER'S SEAT RECLINE POSITION SENSOR DRIVER'S SEAT- BACK HEATER FUEL LID OPENER MOTOR FUEL PUMP CONTROL ECU HIGH MOUNTED STOP LIGHT J/C 28 (ABOVE RIGHT REAR WHEEL- WELL) JUNCTION CONNECTOR J/C 20 (ABOVE LEFT REAR WHEELWELL) JUNCTION CONNECTOR J/C 22 (ABOVE RIGHT REAR WHEELWELL) BL (CENTER OF REAR SHELF) JUNCTION CONNECTOR J/C 23 (UNDER LEFT FRONT SEAT) JUNCTION CONNECTOR J/C 24 (UNDER RIGHT FRONT SEAT) LED LEFT BUCKLE SWITCH LEFT LICENSE LIGHT LEFT REAR COMBINATION LIGHT LEFT REAR DOOR ECU LIGHT FAILURE SENSOR LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH NAVIGATION ECU (MARK LEVINSON) NAVIGATION ECU (EXCEPT MARK LEVINSON) PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S SEAT BACK HEATER PASSENGERS POWER SEAT CONTROL SWITCH POWER SEAT ECU RIGHT BUCKLE SWITCH, SEAT BELT WARNING OCCUPANT DETECTION SENSOR RIGHT LICENSE LIGHT RIGHT REAR COMBINATION LIGHT RIGHT REAR DOOR ECU STEREO COMPONENT AMPLIFIER (MARK LEVINSON) STOP- LIGHT NOISE FILTER TELEPHONE TRANSCEIVER/ SPEAKER RELAY W/ MEMORY W/O MEMORY WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WIRELESS DOOR LOCK ECU