Trailer tow circuit for Toyota Tundra III (2021-2024)

B/UP BLK WIRE BLU WIRE BRK BRK (PINS: 15 TO 24 NOT USED) 25 PNK SRF WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECU-DCC 2 FUSE EPS-IGR FUSE GA- GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGR 1 RELAY ENERGIZED HOT W/ IGR 2 RELAY ENERGIZED IGR (PINS: 3 TO 12 NOT USED) 13 LT BLU WIRE LT GRN WIRE MAIN BODY ECU METER-IGR FUSE ORG/ WIRE PANEL RELAY PNK WIRE POWER DISTRIBUTION BOX ASSEMBLY PPL PPL/RED WIRE RED WIRE RIGHT END OF DASH) SRF SRR+ SRRT STTL STTR TAIL TOWING TAIL RLY-S RELAY TRAILER BRAKE CONTROL ECU (BRAKE CONTROL W/ BRACKET RELAY) TRAILER BRAKE CONTROL SWITCH (CENTER OF DASH) WHT WIRE WHT/BLK WIRE WIRING HARNESS CONNECTOR

3.4L TURBO 3.4L TURBO HYBRID BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU- IGP 2 FUSE ENGINE ROOM R/B 1 ENGINE STOP, START ECU FLASHER CIRCUIT GRN WIRE HOT AT ALL TIMES HOT W/ IGP 1 RELAY ENERGIZED HOT W/ IGR 3 RELAY ENERGIZED J/B ALT 1 FUSE LT BLU WIRE LT GRN WIRE LTIN LTOT ORG/ WIRE OUT PARK/NEUTRAL POSITION SWITCH ASSEMBLY PNK IGR WIRE PNK WIRE PPL PPL GND PPL/BLU WIRE PPL/LT BLU WIRE PPL/RED WIRE RED WIRE RTIN RTOT STIN STOP LIGHT SWITCH ASSEMBLY SUB BATT FUSE SUB BATT RELAY TOWING BK/UP RELAY TOWING BKUP FUSE TOWING BRK FUSE TOWING CONVERTER RELAY TOWING FUSE TOWING TAIL FUSE TOWING TAIL RELAY TOWING- IGR FUSE TRNL TRNR VIO WIRE W/ 12.3 INCH MONITOR W/ 4.2 INCH MONITOR WHT WIRE WHT/BLK WIRE