Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1991 -1994 Chevrolet S-10 Blazer . 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
YELLOW (+) or PURPLE (+)
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 or in DRIVERS KICK PANEL
POWER LOCK
LIGHT BLUE (5 Wire Reverse Polarity) See NOTE *1
IN DRIVERS KICK PANEL
POWER UNLOCK
BLACK/WHITE (5 Wire Reverse Polarity) See NOTE *1
IN DRIVERS KICK PANEL
DOOR TRIGGER
WHITE (-)
@ UNDER DASH LIGHT
DOMELIGHT
SUPERVISION
USE DOOR TRIGGER, Requires #R30-H Relay
TRUNK RELEASE
BLACK (+)
@ RELAY UNDER LEFT SIDE OF DASH
SLIDING
POWER DOOR
N/A
HORN
BLACK (-)
@ STEERING COLUMN HARNESS
TACH
WHITE
@ IGNITION MODULE
WAIT TO
START LIGHT
N/A
BRAKE
WHITE (+)
@ SWITCH ABOVE BRAKE PEDAL
FACTORY
ALARM DISARM
N/A
ANTI-THEFT
N/A
EXTRA
INFORMATION
NOTE *1 If vehicle is 2-Door it has a TYPE "C" DOOR LOCKING SYSTEM, if vehicle is a 4-Door it has a TYPE "A" DOOR LOCKING SYSTEM.
