Lexus  GS430 2004-2005
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   WHITE/BLUE (+)   @ IGNITION SWITCH HARNESS
 STARTER  BLACK (+)  @ IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  BLACK/WHITE (+)  @ IGNITION SWITCH HARNESS
 IGNITION 2  BLACK/YELLOW (+)  @ IGNITION SWITCH HARNESS
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  BLUE/YELLOW (+)  @ IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  YELLOW (-)  @ IGNITION SWITCH HARNESS
 PARKING LIGHTS ( - )  RED/YELLOW (-)  @ HEADLIGHT SWITCH
 PARKING LIGHTS ( + )  GREEN (+)  @ 11-PIN PLUG, BOTTOM OF FUSEBOX
 POWER LOCK  See NOTE #2  See DIAGRAM
 POWER UNLOCK  See NOTE #2  See DIAGRAM
 DOOR TRIGGER  See NOTE #2  @ DOOR MODULE IN EACH DOOR
 DOMELIGHT SUPERVISION  GREEN (-)  @ PIN 13, IN BECU #2, See NOTE #4
 TRUNK RELEASE  BLUE (+)  @ PIN 16, IN BLUE 18-PIN PLUG, IN DRIVERS KICK PANEL
 SLIDING POWER DOOR  N/A  
 HORN  GREEN/BLACK (-)  @ STEERING COLUMN HARNESS
 TACH  BLACK/YELLOW  @ INSTRUMENT CLUSTER
 WAIT TO START LIGHT  N/A  
 BRAKE  GREEN/WHITE (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   DISARMS with KEYSENSE wire, See NOTE #5  @ IGNITION SWITCH HARNESS
 ANTI-THEFT  TRANSPONDER ANTI-THEFT SYSTEM, REQUIRES 791 BYPASS MODULE AND EXTRA IGNITION KEY  TRANSPONDER @ IGNITION SWITCH TUMBLER
 EXTRA INFORMATION
 NOTE #1: LEXUS TRANSPONDER ANTI-THEFT SYSTEM, Requires Bypass Module, Part # 791 Bypass Module (for REMOTE STARTING ONLY!) an Extra Ignition key is required to be placed inside this module for Operation. Part # PK-ALL Bypass Module (for REMOTE STARTING ONLY!) KEYLESS BYPASS NO KEY is required for Operation. To order the Bypass Module go to the INTERFACE BYPASS MODULE Page on this website NOTE #2: THIS VEHICLE'S DOORLOCKS ARE SPECIAL AND WILL REQUIRE AN EXTRA RELAY, PART #775 AND 2 DIODES, TO CONNECT, See DIAGRAM NOTE #3: THE DRIVERS FRONT DOOR IS RED/GREEN (-),THE PASSENGER FRONT IS RED/GREEN (-),THE LEFT REAR IS RED/WHITE (-),THE RIGHT REAR IS RED/YELLOW (-). WHEN CONNECTING TO AN ALARM SYSTEM, USE ALL 4 DOOR TRIGGER WIRES AND DIODE ISOLATE, TO CONNECT, See DIAGRAM NOTE #4: THE BECU (BODY ELECTRONIC CONTROL UNIT) IS IS ATTACHED TO THE BACK OF THE FUSEBOX IN DRIVERS KICK PANEL. NOTE #5: the vehicle can be disarmed without unlocking by attaching a (-) Negative output wire to the YELLOW (-) KEYSENSE wire in the IGNITION SWITCH HARNESS.