Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1990-1991 Land Rover Range Rover . 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
BROWN (+)
IGNITION SWITCH HARNESS
STARTER
WHITE/RED (+)
IGNITION SWITCH HARNESS
STARTER
2
N/A
IGNITION
1
WHITE (+)
IGNITION SWITCH HARNESS
IGNITION
2
N/A
IGNITION
3
N/A
ACCESSORY/HEATER
BLOWER 1
WHITE/ORANGE (+)
IGNITION SWITCH HARNESS
ACCESSORY/HEATER
BLOWER 2
N/A
KEYSENSE
N/A
PARKING
LIGHTS ( - )
N/A
PARKING
LIGHTS ( + )
RED/ORANGE (+)
@ DIMMER SWITCH
POWER LOCK
RED/WHITE (TYPE B)
@ RELAYS, LEFT of STEERING COLUMN
POWER UNLOCK
YELLOW/ORANGE (TYPE B)
@ RELAYS, LEFT of STEERING COLUMN
DOOR TRIGGER
PURPLE/BLUE (-)
@ STEERING COLUMN HARNESS, See NOTE *1
DOMELIGHT
SUPERVISION
USE DOOR TRIGGER, Requires Part #775 Relay
TRUNK RELEASE
N/A
SLIDING
POWER DOOR
N/A
HORN
N/A
TACH
WHITE/BLACK
@ IGNITION COIL
WAIT TO
START LIGHT
N/A
BRAKE
WHITE/SILVER (+)
@ SWITCH ABOVE BRAKE PEDAL
FACTORY
ALARM DISARM
N/A
ANTI-THEFT
N/A
EXTRA
INFORMATION
NOTE *1 the PURPLE/BLUE (-) wire is in a 5-Pin plug, it has 2 wires in this plug of the same color, test the wires one wire will catch the 2 front doors without delay, use the one that catches all other doors but has delay.