Car Alarm
A car alarm was available on all MR2 Turbo from 1991 to 1995. The standard alarm utilizes the horn and flashes headlights on and off if the car has been forcibly opened or a door lock opened from the inside of a locked car.
Here are the full wiring codes for 1991-1993 MR2's, courtesy of David Chau.
Alarm
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Constant 12 volts WHITE AND BLACK/RED IGNITION SWITCH HARNESS
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Ignition 12 volts BLACK/ORANGE IGNITION SWITCH HARNESS
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Starter RED IGNITION SWITCH HARNESS
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Dome Light RED/WHITE (-) STEERING COLUMN OR PASS. KICK PAN
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Trunk Pin Switch RED/WHITE (-) LUGGAGE COMPARTMENT LIGHT SW.
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Parking Lamp GREEN (+) AT RELAY OR FUSE BOX
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Power Lock RED/BLACK DRIVER KICK #201
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Power Unlock GREEN/BLACK PANEL
#201- See Negative Pulse Door Lock Diagram.
Accessories
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Window Up D\ GRN P\ RED/BLU @ MAIN
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Window Down R/ RED S/ GRN SWITCH #211
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Ignition Key Warn BLUE (-) STEERING COLUMN HARNESS
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Trunk Release N/A
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OEM Horn GREEN/BLACK (-) STEERING COLUMN HARNESS
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Headlights RED/YELLOW AND RED (-) AT HEADLIGHT SWITCH
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OEM alarm Arm BLACK (-) DRIVER KICK PANEL *
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OEM alarm Disarm BLACK/YELLOW (-) DRIVER KICK PANEL *
From Install Wires Have Been Found At Factory Relays In Driver Kick Panel
Arm And Lock Has Been Found As BLACK/WHITE Dots. Disarm And Unlock Has Been Found As BLACK/YELLOW/WHITE Dots #600571
Remote Start
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Tach Signal BLACK/WHITE AT IGNITER OR DIAGNOSTIC PLUG *
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Ignition #2 BLACK/YELLOW IGNITION SWITCH HARNESS
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Ignition #3 N/A
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Accessory BLUE/RED IGNITION SWITCH HARNESS
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Neutral Safety NOT GROUNDING TYPE - OEM SWITCH OPENS STARTER CIRCUIT
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Brake Light GREEN/WHITE (+) AT SWITCH ABOVE BRAKE PEDAL
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Reverse Light RED/BLACK (+) AT SWITCH
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Rear Window Defrost
* Diagnostic Plug Located In Passenger Rear Of Engine Compartment.
BLACK/WHITE Marked IG-.
*********1994-1995 MR2's**************
Alarm
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Constant 12 volts BLACK/RED AND WHITE IGNITION SWITCH HARNESS
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Ignition 12 volts BLACK/ORANGE IGNITION SWITCH HARNESS
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Starter RED IGNITION SWITCH HARNESS
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Dome Light RED/WHITE AT PIN 2 IN WHITE 10 PIN CONN. *
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Trunk Pin Switch RED/WHITE AT TRUNK SWITCH OR LIGHT
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Parking Lamp GREEN (+) DRIVER KICK PANEL AT FUSE/RELAY BLOCK
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Power Lock RED/BLACK WHITE 14 PIN CONNECTOR #201
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Power Unlock GREEN/BLACK IN DRIVER KICK PANEL ** #209
* Also Found As GREEN/ORANGE (-) Which Changes To RED/BLUE (-) In White 14 Pin Connector In Driver Kick Panel. ** Child Safety Locks- BLUE/RED (-) In Same Connector As Door Lock Wires Above. See Note #209. #201- See Negative Pulse Door Lock Diagram. #209- See Child Safety Door Lock Diagram.
Accessories
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Window Up D\ GRN P\ RED/BLU @ MAIN
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Window Down R/ RED S/ GRN SWITCH #211
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Ign Key Warn BLUE (-) STEERING COLUMN HARNESS
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Trunk Release N/A
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OEM Horn GREEN/BLACK (-) STEERING COLUMN HARNESS
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Headlights NOT RECOMMENDED - RETRACTOR SEPERATE SYSTEM
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OEM alarm Arm BLACK (-) DRIVER KICK PANEL
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OEM alarm Disarm BLACK/YELLOW (-) DRIVER KICK PANEL
#211- See Reversal Rest At Ground Power Window Circuit Diagram.
Remote Start
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Tach Signal BLACK/WHITE AT IGNITER OR DIAGNOSTIC PLUG *
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Ignition #2 BLACK/YELLOW IGNITION SWITCH HARNESS
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Ignition #3 N/A
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Accessory BLUE/RED IGNITION SWITCH HARNESS
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Neutral Safety NOT GROUNDING TYPE - OEM SWITCH OPENS STARTER CIRCUIT
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Brake Light GREEN/WHITE (+) AT SWITCH ABOVE BRAKE PEDAL
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Reverse Light RED/BLACK (+) AT SWITCH ON TRANSAXLE
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Rear Window Defrost
* Diagnostic Plug Located On Driver Front Of Engine Compartment. Igniter Located On Passenger Front Of Engine Compartment To Right Of Battery.
