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Vehicle Wiring Details for your
1992 -1994 Chevrolet Suburban 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 1992 -1994 Chevrolet Suburban . 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  PURPLE (+) or YELLOW (+)  IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  PINK (+)  IGNITION SWITCH HARNESS
 IGNITION 2  N/A  
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  ORANGE (+)  IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  N/A  
 PARKING LIGHTS ( + )  BROWN (+)  @ HEADLIGHT SWITCH
 POWER LOCK  LIGHT BLUE (Positive (+))  IN EITHER DOOR BOOT
 POWER UNLOCK  BLACK/RED (Positive (+))  IN EITHER DOOR BOOT
 DOOR TRIGGER  WHITE (-)  @ HEADLIGHT SWITCH
 DOMELIGHT SUPERVISION  USE DOOR TRIGGER, Requires #R30-H Relay  
 TRUNK RELEASE  BLACK (+), Requires #R30-H Relay  @ HATCH RELEASE SWITCH
 SLIDING POWER DOOR  N/A  
 HORN  BLACK (-)  @ STEERING COLUMN HARNESS
 TACH  PURPLE/WHITE, See NOTE *2  @ ECM, See NOTE *1
 WAIT TO START LIGHT  DARK BLUE (+) See NOTE *3  @ INSTRUMENT CLUSTER
 BRAKE  WHITE (+)  @ SWITCH ABOVE BRAKE PEDAL
 FACTORY ALARM DISARM   N/A  
 ANTI-THEFT  N/A  
 EXTRA INFORMATION
 NOTE *1 The ECM (Electronic Control Module) is located BEHIND the GLOVEBOX, and to the right. NOTE *2 For DIESEL TACH wire use the WHITE wire at the ALTERNATOR or INSTRUMENT CLUSTER NOTE *3 when hooking up a REMOTE STARTER on a DIESEL, if the WAIT to START wire from the Remote Starter does not wait until the Light on the dash turn out before cranking, you will need to program in the 5,10 or 15 Second WAIT to START TIMMER in the Installation Manual. On some vehicles the Wait to Start Light on the dash is not a true (+)Positive or (-)Negative and the wire from the Remote Starter will not owrk. When this Wait to Start Timmer is programmed, disconnect and tape up the Wait to Start wire from the Remote Starter that is tied into the Wait to Start Light on the dash..


 
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