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Vehicle Wiring Details for your
2004-2007 Lexus LS430 Wiring Diagram
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Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2004-2007 Lexus LS430 . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires with a digital multimeter before making any connections. More information on using a multimeter and testing wires please see our Technical Support Area.


 PART   COLOR  LOCATION
 12 VOLT CONSTANT   Connect to BATTERY ONLY  
 STARTER  BLACK/WHITE (+)  @ IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  GREEN/YELLOW (+)  @ IGNITION SWITCH HARNESS
 IGNITION 2  RED/WHITE (+)  @ IGNITION SWITCH HARNESS
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  WHITE/GREEN (+)  @ IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  LIGHT GREEN/BLACK (-)  @ IGNITION SWITCH HARNESS
 PARKING LIGHTS ( - )  ORANGE (-) See NOTE #2  @ HAZARD SWITCH
 PARKING LIGHTS ( + )  N/A  
 POWER LOCK  RED/BLACK or PURPLE/RED (TYPE B) See NOTE #3  @ ECU, INSIDE DRIVERS DOOR
 POWER UNLOCK  BLACK/GREEN (TYPE B) See NOTE #3  @ ECU, INSIDE DRIVERS DOOR
 DOOR TRIGGER  PINK/GREEN (-) and BLUE (-) Use both, See NOTE #4  @ ECU, INSIDE DRIVERS DOOR
 DOMELIGHT SUPERVISION  PURPLE/WHITE (-)  @ IGNITION KEY CYLINDER LIGHT
 TRUNK RELEASE  PURPLE (-)  @ 22-PIN PLUG, IN DRIVERS KICK PANEL
 SLIDING POWER DOOR  N/A  
 HORN  N/A  
 TACH  BLACK/YELLOW  @ PIN 9, IN DATA LINK CONNECTOR UNDER DASH
 WAIT TO START LIGHT  N/A  
 BRAKE  GREEN/ORANGE (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   DISARMS with KEYSENSE wire  See NOTE #5
 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: USE HAZARD WIRE, IT'S ORANGE (-) IN 10-PIN PLUG AT DRIVERS FUSEBOX. NOTE #3: TEST THE LOCK AND UNLOCK WIRES WHILE TURNING KEY IN THE DRIVERS DOOR KEY CYLINDER. NOTE #4: THE FRONT DOOR TRIGGERS ARE PINK/GREEN (-) AT EACH DOOR MODULE,THE REAR DOOR TRIGGERS ARE BLUE (-) AT EACH DOOR MODULE. WHEN CONNECTING TO AN ALARM SYSTEM, USE ALL 4 DOOR TRIGGER WIRES AND DIODE ISOLATE, TO CONNECT, SEE DIAGRAM. NOTE #5: the vehicle can be disarmed without unlocking by attaching a (-) Negative output wire to the LIGHT GREEN/BLACK (-) KEYSENSE wire in the IGNITION SWITCH HARNESS.
 
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