Toyota  Tundra 2003-
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   WHITE (+) and WHITE/RED (+)   @ IGNITION SWITCH HARNESS
 STARTER  GREEN/BLACK (+) or BLACK/WHITE (+)  @ IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  BLACK/RED (+)  @ IGNITION SWITCH HARNESS
 IGNITION 2  BLACK/YELLOW (+)  @ IGNITION SWITCH HARNESS
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  BLUE/RED (+)  @ IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  RED/BLACK (-)  @ STEERING COLUMN HARNESS
 PARKING LIGHTS ( + )  GREEN (+)  IN DRIVERS KICK PANEL
 POWER LOCK  WHITE/GREEN (TYPE B), See NOTE #1  IN DRIVERS KICK PANEL, at DOOR HARNESS
 POWER UNLOCK  BLUE/RED (TYPE B), See NOTE #1  EITHER KICK PANEL, at DOOR HARNESS
 DOOR TRIGGER  WHITE/BLUE (-)  IN DRIVERS KICK PANEL, at DOOR HARNESS
 DOMELIGHT SUPERVISION  USE DOOR TRIGGER, (Requires Part #775 Relay)  
 TRUNK RELEASE  N/A  
 SLIDING POWER DOOR  N/A  
 HORN  GREEN/RED (-)  @ STEERING COLUMN HARNESS
 TACH  BLACK (AC) or BLACK/BLUE (AC)  See NOTE #2
 WAIT TO START LIGHT  N/A  
 BRAKE  GREEN/WHITE (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   DISARMS WITH UNLOCK  
 ANTI-THEFT  N/A  
 EXTRA INFORMATION
 NOTE #1: the LOCK and UNLOCK wires, will only TEST while turning the kEY in the DRIVERS DOOR KEY CYLINDER. NOTE #2: on the 6-Cylinder engine, the BLACK tach wire is at the DIAGNOSTIC PLUG on the drivers side of the engine. On the V-8 engine, the BLUE/BLACK wire is at Coil #1 on the drivers side.