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Vehicle Wiring Details for your
2004-2007 Lexus RX330 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 RX330 . 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   RED (+)   @ IGNITION SWITCH HARNESS
 STARTER  BLUE (+) See NOTE #2  @ IGNITION SWITCH HARNESS
 STARTER 2  WHITE(+) See NOTE #2  @ IGNITION SWITCH HARNESS
 IGNITION 1  PURPLE(+)  @ IGNITION SWITCH HARNESS
 IGNITION 2  GREEN (+)  @ IGNITION SWITCH HARNESS
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  GRAY (+)  @ IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  BLACK (-)  @ IGNITION SWITCH HARNESS
 PARKING LIGHTS ( - )  ORANGE (-)  @ HEADLIGHT SWITCH
 PARKING LIGHTS ( + )  LIGHT GREEN (+)  IN DRIVERS KICK PANEL, HARNESS to REAR of VEHICLE
 POWER LOCK  BROWN (TYPE B) See NOTE #3  @ MODULE INSIDE DRIVERS DOOR
 POWER UNLOCK  GRAY (TYPE B) Requires Double Pulse  @ MODULE INSIDE DRIVERS DOOR
 DOOR TRIGGER  See NOTE #4  @ ECU, See NOTE #4
 DOMELIGHT SUPERVISION  LIGHT BLUE (-), Requires Part #775 Relay  IN 12 PIN PLUG RIGHT OF FUSEBOX
 TRUNK RELEASE  PURPLE (-), Requires Part #775 Relay  @ HATCH RELEASE SWITCH
 SLIDING POWER DOOR  N/A  
 HORN  WHITE (-)  @ HORN SWITCH in Column Cover.
 TACH  WHITE  IN PIN 5, TOP CONNECTOR @ ECM, BEHIND GLOVEBOX
 WAIT TO START LIGHT  N/A  
 BRAKE  GRAY (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   DISARMS with KEYSENSE wire, See NOTE #5  @ IGNITION SWITCH HARNESS
 ANTI-THEFT  TRANSPONDER ANTI-THEFT SYSTEM, See NOTE #1  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: WHEN INSTALLTING A REMOTE STARTER, YOU MUST USE BOTH STARTER #1 AND #2 WIRES, CONNECT BOTH TO THE STARTER/CRANK WIRE FROM THE REMOTE START. NOTE #3: METER THRESE WIRES WHILE TURNING KEY IN THE DRIVERS DOOR KEY CYLINDER.UNLOCK REQUIRES A DOUBLE PULSE. NOTE #4: THE DRIVERS DOOR TRIGGER IS BLUE (-) PIN 14,IN CONNECTOR B6 AT THE BECU.THE PASSENGER DOOR IS BLUE (-) PIN 23,CONNECTOR B5 AT THE BECU.THE RIGHT REAR DOOR IS GRAY (-) PIN 16,CONNECTOR B6 AT THE BECU.THE LEFT REAR DOOR IS BLACK (-) PIN 7,IN A 13 PIN PLUG ON THE RIGHT SIDE OF THE FUSEBOX.WHEN CONNECTING TO AN ALARM SYSTEM, USE ALL 4 WIRES AND DIODE ISOLATE. SEE DIAGRAM. THE BECU IS ATTACHED TO THE BACK OF THE FUSEBOX UNDER THE DRIVERS SIDE DASH. NOTE #5: the vehicle can be disarmed without unlocking by attaching a (-) Negative output wire to the BLACK (-) KEYSENSE wire in the IGNITION SWITCH HARNESS.
 
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