Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 1991-1994 Toyota Previa . 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
WHITE (+) and WHITE/RED (+)
@ IGNITION SWITCH HARNESS
STARTER
BLACK/WHITE (+)
@ IGNITION SWITCH HARNESS
STARTER
2
N/A
IGNITION
1
BLACK/RED (+)
@ IGNITION SWITCH HARNESS
IGNITION
2
BLACK/YELLOW (+)
@ IGNITION SWITCH HARNESS
IGNITION
3
N/A
ACCESSORY/HEATER
BLOWER 1
BLUE/RED (+)
@ IGNITION SWITCH HARNESS
ACCESSORY/HEATER
BLOWER 2
N/A
KEYSENSE
N/A
PARKING
LIGHTS ( - )
GREEN/ORANGE (-)
@ HEADLIGHT SWITCH
PARKING
LIGHTS ( + )
GREEN (+)
IN DRIVERS KICK PANEL or FUSEBOX
POWER LOCK
BLUE/WHITE (TYPE B)
@ RELAYS, in CENTER CONSOLE or in PASSENGER KICK PANEL
POWER UNLOCK
BLUE (TYPE B)
@ RELAYS, in CENTER CONSOLE or in PASSENGER KICK PANEL
DOOR TRIGGER
RED/YELLOW (-)
@ LEFT UNDER DASH, See NOTE *1
DOMELIGHT
SUPERVISION
USE DOOR TRIGGER, (Requires Part #775 Relay)
TRUNK RELEASE
N/A
SLIDING
POWER DOOR
N/A
HORN
GREEN/RED (-)
@ STEERING COLUMN HARNESS
TACH
BLACK (AC)
@ DIAGNOSTIC PLUG, UNDER FRONT of DRIVERS SEAT
WAIT TO
START LIGHT
N/A
BRAKE
GREEN/WHITE (+)
@ SWITCH ABOVE BRAKE PEDAL
FACTORY
ALARM DISARM
DISARMS WITH UNLOCK
ANTI-THEFT
N/A
EXTRA
INFORMATION
NOTE #1: unbolt the 2 MODULES under the LEFT side of the DASH, to access the LARGE
HARNESS at the firewall. The DOOR TRIGGER wire will be in a BLACK or GRAY
DIODE PACK hanging from the LARGE Harness.