Toyota Tundra III (2021-2024) stop light switch assembly Wiring diagrams

AI (LEFT END OF DASH) BLK WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRAKE PEDAL STROKE SENSOR ASSEMBLY BRN WIRE CAN I/F CERTIFICATION ECU (SMART KEY ASSEMBLY) COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM ECU- DCC 1 FUSE ECU-DCC 2 FUSE ECU-IGP 4 FUSE ENGINE ROOM R/B 2 ENGINE STOP, START ECU GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGP 2 RELAY ENERGIZED HSW LEFT PARKING BRAKE ACTUATOR ASSEMBLY LT BLU WIRE LT GRN WIRE ORG/ WIRE OUT PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLU WIRE PPL/BRN WIRE PPL/PNK WIRE PPL/RED WIRE PPL/VIO WIRE RED WIRE RIGHT END OF DASH) RIGHT PARKING BRAKE ACTUATOR ASSEMBLY STEERING SENSOR STOP FUSE STOP LIGHT SWITCH ASSEMBLY VIO WIRE W/ 12.3 INCH MONITOR W/ 4.2 INCH MONITOR WHT WIRE

BKUP LP FUSE BLK WIRE BLU WIRE BRN WIRE CAN I/F CENTER CONSOLE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECT-1 FUSE ECT-B FUSE ECT-IGP FUSE ECU- IGP 1 FUSE ECU-DCC 2 FUSE ECU-IGR 3 FUSE ENGINE ROOM R/B 1 ENGINE ROOM R/B 2 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ EFI-MAIN 1 RELAY ENERGIZED HOT W/ IGP 1 RELAY ENERGIZED HOT W/ IGP 2 RELAY ENERGIZED HOT W/ IGR 1 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED LT BLU WIRE LT GRN WIRE NTP OIL PMP FUSE OIL PMP RELAY PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLK WIRE PPL/BLU WIRE PPL/PNK WIRE PPL/RED WIRE RED WIRE RIGHT END OF DASH) SFTD SFTU STOP LIGHT SWITCH ASSEMBLY TRANSMISSION FLOOR SHIFT ASSEMBLY W/ 12.3 INCH MONITOR W/ 4.2 INCH MONITOR WHT WIRE YEL WIRE

3.4L TURBO 3.4L TURBO HYBRID BKUP LP FUSE BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECU-DCC 2 FUSE ECU-IGP 4 FUSE ENGINE ROOM R/B 2 ENGINE STOP, START ECU EPS- IGR 2 FUSE EPS-IGR FUSE FR RR GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGP 2 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED IGB IGR LEFT FRONT SPEED SENSOR LEFT REAR SPEED SENSOR LT BLU WIRE LT GRN WIRE MILLIMETER WAVE RADAR SENSOR ASSEMBLY OUT PARK/NEUTRAL POSITION SWITCH ASSEMBLY PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL/BLK WIRE PPL/BLU WIRE PPL/BRN WIRE PPL/RED WIRE RED WIRE RIGHT END OF DASH) RIGHT FRONT SPEED SENSOR RIGHT REAR SPEED SENSOR SGND SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) STARTING/ CHARGING SYSTEM STOP FUSE STOP LIGHT SWITCH ASSEMBLY TRANSMISSION CONTROL ECU ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE

3.4L TURBO 3.4L TURBO HYBRID BLK WIRE BLU WIRE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU- DCC 1 FUSE ECU-DCC 2 FUSE ECU-IGP 4 FUSE ENGINE ROOM R/B 2 GRN WIRE GRY WIRE HEAD HOT AT ALL TIMES HOT W/ IGP 2 RELAY ENERGIZED LEFT HEADLIGHT ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU MIR REVERSE LP RELAY OPTION CONNECTOR 2 ORG/ WIRE OUT PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/BLU WIRE PPL/BRN WIRE PPL/GRN WIRE PPL/LT BLU WIRE PPL/LT GRN WIRE PPL/ORG WIRE PPL/PNK WIRE PPL/RED WIRE RED WIRE RIGHT END OF DASH) SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) STOP FUSE STOP LIGHT SWITCH ASSEMBLY TAIL RELAY TRANSMISSION CONTROL ECU ASSEMBLY TRNL TRNR VIO WIRE W/ 12.3 INCH MONITOR W/ 4.2 INCH MONITOR WEL WHT WIRE YEL WIRE

3.4L TURBO 3.4L TURBO HYBRID A/F RELAY AI (LEFT END OF DASH) AIR FUEL RATIO SENSOR 2 SHIELD AIR FUEL RATIO SENSOR 3 SHIELD AIR FUEL RATIO SENSOR 4 SHIELD AIR FUEL RATIO SENSOR SHIELD BRAKE BOOSTER CONTROL ECU (BRAKE BOOSTER ASSEMBLY) BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRAKE LEVEL WARNING SWITCH (BRAKE BOOSTER ASSEMBLY) BRAKE PEDAL STROKE SENSOR ASSEMBLY BRN WIRE DIRECT FUEL INJECTOR ASSEMBLY 1 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 2 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 3 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 4 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 5 SHIELD DIRECT FUEL INJECTOR ASSEMBLY 6 SHIELD EFI MAIN 2 RELAY EFI- MAIN 3 RELAY FRONT WIPER DEICER (WINDSHIELD GLASS) FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY SHIELD IGN/INJ RELAY IGP 2 RELAY IGR 4 RELAY KNOCK CONTROL SENSOR (BANK 1) SHIELD KNOCK CONTROL SENSOR (BANK 2) SHIELD LEFT FRONT SIDE MARKER LIGHT ASSEMBLY LEFT HEADLIGHT ASSEMBLY LEFT HEADLIGHT ECU SUB-ASSEMBLY LEFT HEADLIGHT LEVELING MOTOR LEVEL WARNING SWITCH ASSEMBLY MIR RTC RELAY 1 MIR RTC RELAY 2 PPL PPL/BRN WIRE PWR EXT RELAY PWR RTC RELAY SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) ST RELAY STOP LIGHT SWITCH ASSEMBLY TAILGATE 1 RELAY TAILGATE 2 RELAY W/ LED W/O HEADLIGHT ECU W/O LED WHT/BLK WIRE WINDSHIELD WIPER MOTOR ASSEMBLY WINDSHIELD WIPER RELAY ASSEMBLY WIPER RELAY WIRELESS DOOR LOCK BUZZER

A/B BKSW BLK WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE BOOSTER ASSEMBLY) BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM CXPI ENGINE OIL LEVEL SENSOR EXCEPT HYBRID FLASHER CIRCUIT FUEL SUCTION W/ PUMP, GAUGE TUBE ASSEMBLY GRN WIRE INTERIOR LIGHTS LIGHT CONTROL RHEOSTAT LT BLU WIRE LT GRN WIRE MSCH MSCL ODO CANL OILW ORG/ WIRE OUT PNK WIRE PPL PPL/BLU WIRE PPL/GRN WIRE PPL/LT BLU WIRE PPL/PNK WIRE PPL/RED WIRE RED WIRE STOP LIGHT SWITCH ASSEMBLY SYSTEM TRIP SWITCH TRNL TRNR TURN L IND TURN R IND VIO WIRE WHT WIRE

A/B BKSW BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM CXPI ENGINE OIL LEVEL SENSOR FLASHER CIRCUIT FUEL SUCTION W/ PUMP, GAUGE TUBE ASSEMBLY GRN WIRE INTERIOR LIGHTS LIGHT CONTROL RHEOSTAT LT BLU WIRE LT GRN WIRE MSCH MSCL ODO OILW ORG/ WIRE OUT PNK WIRE PPL PPL/BLU WIRE PPL/LT BLU WIRE PPL/PNK WIRE PPL/RED WIRE RED WIRE STOP LIGHT SWITCH ASSEMBLY SYSTEM TRIP SWITCH TRNL TRNR TURN L IND TURN R IND VIO WIRE WHT WIRE

AIR CONDITIONING AMPLIFIER ASSEMBLY BLK WIRE BLU WIRE COMBINATION SWITCH ASSEMBLY 2 DEICER RELAY ECT-IGP FUSE ECU- IGP 1 FUSE ECU- IGP 2 FUSE ECU-IGP 3 FUSE ECU-IGP 4 FUSE EFI- IGP FUSE ENGINE CONTROL MODULE ENGINE STOP, START ECU FROM CERTIFICATION ECU (DIAGRAM 2 OF 7) FROM EFI MAIN 2 FUSE (DIAGRAM 1 OF 7) FROM SUB R/B FUSE (DIAGRAM 1 OF 7) GRN WIRE IGP 1 RELAY IGP 2 RELAY LEFT FRONT SEAT CUSHION HEATER ASSEMBLY LEFT REAR SEAT CUSHION CLIMATE CONTROL BLOWER LEFT SEAT CUSHION CLIMATE CONTROL BLOWER LEFT SEAT HEATER ASSEMBLY LT BLU WIRE LT GRN WIRE NETWORK GATEWAY ECU ORG/ WIRE PNK WIRE PPL/BLK WIRE PPL/GRN WIRE PPL/PNK WIRE PPL/VIO WIRE PTC HTR RELAY 1 PTC HTR RELAY 2 RED WIRE REFRESHING SEAT SWITCH RIGHT FRONT SEAT CUSHION HEATER ASSEMBLY RIGHT REAR SEAT CUSHION CLIMATE CONTROL BLOWER RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER RIGHT SEAT HEATER ASSEMBLY S/HTR F/L FUSE S/HTR F/R FUSE S/HTR R/L FUSE S/HTR RR FUSE SIDE AUTO STEP CONTROLLER ECU ASSEMBLY STEERING HEATER SWITCH STEREO COMPONENT EQUALIZER ASSEMBLY STOP LIGHT SWITCH ASSEMBLY SUB BATT RELAY TO ENGINE ROOM R/B 1 (DIAGRAM 4 OF 7) TO MAIN SWITCH (DIAGRAM 4 OF 7) TRANSMISSION CONTROL ECU ASSEMBLY TRANSMISSION FLOOR SHIFT VIO WIRE WASHER FUSE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER RELAY ASSEMBLY

AIR CONDITIONING AMPLIFIER ASSEMBLY AIR CONDITIONING CONTROL ASSEMBLY BLK WIRE BLU WIRE BRAKE BOOSTER CONTROL ECU (BRAKE BOOSTER ASSEMBLY) CDS FAN RELAY ENGINE ROOM R/B 1 COMBINATION SWITCH ASSEMBLY 2 D/C CUT FUSE DEICER RELAY ECT-IGP FUSE ECU- IGP 1 FUSE ECU- IGP 2 FUSE ECU-IGP 3 FUSE ECU-IGP 4 FUSE EFI- IGP FUSE ENGINE ROOM R/B 2 FROM CERTIFICATION ECU (DIAGRAM 2 OF 7) FROM EFI MAIN 2 FUSE (DIAGRAM 1 OF 7) FROM SUB R/B FUSE (DIAGRAM 1 OF 7) GRN WIRE GRY WIRE HYBRID VEHICLE ECU ASSEMBLY IGP 1 RELAY IGP 2 RELAY J/B-B FUSE LEFT FRONT SEAT CUSHION HEATER ASSEMBLY LEFT REAR SEAT CUSHION CLIMATE CONTROL BLOWER LEFT SEAT CUSHION CLIMATE CONTROL BLOWER LEFT SEAT HEATER ASSEMBLY LT BLU WIRE LT GRN WIRE NETWORK GATEWAY ECU ORG/ WIRE PNK WIRE PPL/BLK WIRE PPL/GRN WIRE PPL/PNK WIRE PPL/VIO WIRE PTC HTR RELAY 1 PTC HTR RELAY 2 RED WIRE REFRESHING SEAT SWITCH RIGHT FRONT SEAT CUSHION HEATER ASSEMBLY RIGHT REAR SEAT CUSHION CLIMATE CONTROL BLOWER RIGHT SEAT CUSHION CLIMATE CONTROL BLOWER RIGHT SEAT HEATER ASSEMBLY S/HTR F/L FUSE S/HTR F/R FUSE S/HTR R/L FUSE S/HTR RR FUSE SIDE AUTO STEP CONTROLLER ECU ASSEMBLY SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) STEERING HEATER SWITCH STEREO COMPONENT EQUALIZER ASSEMBLY STOP LIGHT SWITCH ASSEMBLY SUB BATT RELAY TO ENGINE ROOM R/B 1 (DIAGRAM 4 OF 7) TO MAIN SWITCH (DIAGRAM 4 OF 7) TO POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 6 OF 7) TO POWER DISTRIBUTION BOX ASSEMBLY (DIAGRAM 7 OF 7) TO SPOILER FR FUSE (DIAGRAM 7 OF 7) TRANSMISSION CONTROL ECU ASSEMBLY TRANSMISSION FLOOR SHIFT ASSEMBLY VIO WIRE W/ MOTOR COMPRESSOR ASSEMBLY WASHER FUSE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER RELAY ASSEMBLY

2-WAY LUMBAR SUPPORT 4-WAY LUMBAR SUPPORT ALL DR LOCK RELAY BLK WIRE BLOWER W/ FAN MOTOR SUB ASSEMBLY BLU WIRE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) COMBINATION METER ASSEMBLY D DR UNLOCK RELAY D/L FUSE DCM FUSE DOME CUT RELAY DOME FUSE DOOR BACK FUSE DOOR BACK RELAY DOOR F/L FUSE ECU- DCC 1 FUSE ECU-B 1 FUSE ECU-DCC 2 FUSE FROM ENGINE ROOM R/B 1 (DIAGRAM 1 OF 7) FROM ENGINE ROOM R/B 1 (DIAGRAM 5 OF 7) FROM IGP 1 RELAY (DIAGRAM 5 OF 7) FROM IGR 1 RELAY (DIAGRAM 6 OF 7) FRONT SPOILER LINK MOTOR SUB-ASSEMBLY GRN WIRE GRY WIRE HAZ FUSE HORN FUSE HORN RELAY HTR FUSE ID CODE BOX INV W/ PMP 1 FUSE INV W/ PMP RELAY L/D-DR UNLOCK RELAY LEFT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY LEFT FRONT POSITION CONTROL ECU ASSEMBLY LEFT FRONT POWER SEAT SWITCH LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT INTERIOR ILLUMINATION LAMP ASSEMBLY 1 LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU METER MIRROR SUB-ASSEMBLY MULTIPLEX TILT, TELESCOPIC ECU P/SEAT D FUSE P/SEAT P FUSE PPL PPL/BLU WIRE PPL/GRN WIRE PPL/LT BLU WIRE PPL/LT GRN WIRE PPL/PNK WIRE PPL/RED WIRE RADIO FUSE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE RIGHT END OF DASH) RIGHT FRONT DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY RIGHT FRONT POWER SEAT SWITCH RIGHT INTERIOR ILLUMINATION LAMP ASSEMBLY 1 RIGHT INTERIOR ILLUMINATION LAMP ASSEMBLY 2 RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT REAR DOOR INSIDE HANDLE ILLUMINATION LIGHT ASSEMBLY SEAT VARIABLE CUSHION SWITCH SPOILER FR FUSE STEERING SENSOR STOP FUSE STOP LIGHT SWITCH ASSEMBLY TELEMATICS TRANSCEIVER TO DOOR F/R FUSE (DIAGRAM 3 OF 7) TO MOBILE WIRELESS CHARGER CRADLE ASSEMBLY (DIAGRAM 3 OF 7) TOWING CONVERTER RELAY TOWING FUSE VIO WIRE W/ 12.3 INCH MONITOR W/ 4.2 INCH MONITOR W/ MEMORY W/O MEMORY WHT WIRE