These are all the Mitsubishi wiring diagrams for all models from 89-94, just search and you will find.
1989 Mitsubishi Eclipse 2 Dr
Security
Battery
Wire Color WHITE
Polarity (+)
Location IGNITION SWITCH HARNESS
Ignition 1
Wire Color BLACK/WHITE
Polarity (+)
Location IGNITION SWITCH HARNESS
Starter 1
Wire Color BLACK/YELLOW
Polarity (+)
Location IGNITION SWITCH HARNESS
All Door Trigger
Wire Color RED/GREEN
Polarity (-)
Location AT UNDER DASH LIGHT
Trunk Trigger
Wire Color N/A
Location WORKS WITH DOME LIGHT
Hood Trigger
Wire Color N/A
Alarm Disarm
Wire Color N/A
Parking Lights
Wire Color GREEN/WHITE
Polarity (+)
Location NEAR HOOD RELEASE "GRY PLUG"
Anti-Theft Descript
Anti Theft System NONE
Tachometer
Wire Color WHITE
Polarity (-)
Location AT COIL
Parking Lights
Wire Color GREEN/WHITE
Polarity (+)
Location NEAR HOOD RELEASE "GRY PLUG"
Brake Lights
Wire Color GREEN
Polarity (+)
Location AT BRAKE SWITCH
Horn
Wire Color GREEN/BLACK
Polarity (-)
Location AT STEERING COLUMN "HIGH CURRENT USE
Doorlocks/Windows
Power Unlock
Wire Color BROWN/WHITE
Polarity (-)
Location NEGATIVE TRIGGER
PowerLock
Wire Color BROWN/BLUE
Polarity (-)
Location DRIVER'S KICK AT DOOR LOCK RELAYS
Convenience
Headlights-Lo
Wire Color RED
Polarity (-)
Location AT LIGHT SWITCH
Audio/Mobile Video
Battery
Wire Color RED/BLACK
Polarity (+)
Location RADIO HARNESS
Accesory
Wire Color BLUE
Polarity (+)
Location RADIO HARNESS
Ground
Polarity (-)
Illumination
Wire Color GREEN/WHITE
Polarity (+)
Location RADIO HARNESS
Dimmer
Wire Color BLACK/YELLOW
Polarity (+)
Location RADIO HARNESS
Power Antenna
Wire Color WHITE/BLACK
Polarity (+)
Location RADIO HARNESS
LF Speaker (+)
Wire Color (+) WHITE/BLUE
LF Speaker (-)
Wire Color (-) BLACK/BLUE
RF Speaker (+)
Wire Color (+) WHITE/RED
RF Speaker (-)
Wire Color (-) BLACK/RED
LR Speaker (+)
Wire Color (+) YELLOW/BLUE
LR Speaker (-)
Wire Color (-) GRAY/BLUE
RR Speaker (+)
Wire Color (+) YELLOW/RED
RR Speaker (-)
Wire Color (-) GRAY/RED
Amp Location
Location NOT LIKELY
Radio Security
Radio Security NO
1990 MITSUBISHI ECLIPSE 2DR COUPE
Security
Battery
Wire Color WHITE
Polarity (+)
Location IGNITION SWITCH HARNESS
Ignition 1
Wire Color BLACK/WHITE
Polarity (+)
Location IGNITION SWITCH HARNESS
Starter 1
Wire Color BLACK/YELLOW
Polarity (+)
Location IGNITION SWITCH HARNESS
All Door Trigger
Wire Color TAN
Polarity (-)
Location INSIDE DR. DOOR ,DK.BLU ALL OTHER DOO
Trunk Trigger
Wire Color N/A
Location WORKS WITH DOME LIGHT
Hood Trigger
Wire Color N/A
Alarm Disarm
Wire Color N/A
Parking Lights
Wire Color GREEN/WHITE
Polarity (+)
Location WHITE CONN. REAR OF FUSE PANEL.
Anti-Theft Descript
Anti Theft System NONE
Tachometer
Wire Color WHITE/BLACK
Polarity (-)
Location AT MULTI COIL PACK
Speed Sense
Wire Color YELLOW/WHITE
Polarity (AC)
Location PASS CONSOLE LARGEST CONN ON ECM
Parking Lights
Wire Color GREEN/WHITE
Polarity (+)
Location WHITE CONN. REAR OF FUSE PANEL.
Brake Lights
Wire Color GREEN
Polarity (+)
Location AT BRAKE SWITCH
Reverse Lights
Wire Color RED/BLUE
Polarity (+)
Location AT GEAR SELECT SWITCH
Horn
Wire Color GREEN/BLACK
Polarity (-)
Location AT STEERING COLUMN "HIGH CURRENT USE
Doorlocks/Windows
Power Unlock
Wire Color BROWN/WHITE
Polarity (-)
Location NEGATIVE TRIGGER
PowerLock
Wire Color BROWN/BLUE
Polarity (-)
Location DRIVER'S KICK AT DOOR LOCK RELAYS
Convenience
Headlights-Lo
Wire Color RED
Polarity (-)
Location AT LIGHT SWITCH
Audio/Mobile Video
Battery
Wire Color RED/BLACK
Polarity (+)
Location RADIO HARNESS
Accesory
Wire Color BLUE
Polarity (+)
Location RADIO HARNESS
Ground
Polarity (-)
Illumination
Wire Color GREEN/WHITE
Polarity (+)
Location RADIO HARNESS
Dimmer
Wire Color BLACK/YELLOW
Polarity (+)
Location RADIO HARNESS
Power Antenna
Wire Color WHITE/BLACK
Polarity (+)
Location RADIO HARNESS
LF Speaker (+)
Wire Color (+) WHITE/BLUE
LF Speaker (-)
Wire Color (-) BLACK/BLUE
RF Speaker (+)
Wire Color (+) WHITE/RED
RF Speaker (-)
Wire Color (-) BLACK/RED
LR Speaker (+)
Wire Color (+) YELLOW/BLUE
LR Speaker (-)
Wire Color (-) GRAY/BLUE
RR Speaker (+)
Wire Color (+) YELLOW/RED
RR Speaker (-)
Wire Color (-) GRAY/RED
Amp Location
Location NOT LIKELY
Radio Security
Radio Security YES
1991 MITSUBISHI ECLIPSE 2DR COUPE
Security
Battery
Wire Color WHITE
Polarity (+)
Location IGNITION SWITCH HARNESS
Ignition 1
Wire Color BLACK/WHITE
Polarity (+)
Location IGNITION SWITCH HARNESS
Starter 1
Wire Color BLACK/YELLOW
Polarity (+)
Location IGNITION SWITCH HARNESS
All Door Trigger
Wire Color TAN
Polarity (-)
Location INSIDE DR. DOOR ,DK.BLU ALL OTHER DOO
Trunk Trigger
Wire Color N/A
Location WORKS WITH DOME LIGHT
Hood Trigger
Wire Color N/A
Alarm Disarm
Wire Color N/A
Parking Lights
Wire Color GREEN/WHITE
Polarity (+)
Location WHITE CONN. REAR OF FUSE PANEL.
Anti-Theft Descript
Anti Theft System NONE
Tachometer
Wire Color WHITE/BLACK
Polarity (-)
Location AT MULTI COIL PACK
Speed Sense
Wire Color YELLOW/WHITE
Polarity (AC)
Location PASS CONSOLE LARGEST CONN ON ECM
Parking Lights
Wire Color GREEN/WHITE
Polarity (+)
Location WHITE CONN. REAR OF FUSE PANEL.
Brake Lights
Wire Color GREEN
Polarity (+)
Location AT BRAKE SWITCH
Reverse Lights
Wire Color RED/BLUE
Polarity (+)
Location AT GEAR SELECT SWITCH
Horn
Wire Color GREEN/BLACK
Polarity (-)
Location AT STEERING COLUMN "HIGH CURRENT USE
Doorlocks/Windows
Power Unlock
Wire Color BROWN/WHITE
Polarity (-)
Location NEGATIVE TRIGGER
PowerLock
Wire Color BROWN/BLUE
Polarity (-)
Location DRIVER'S KICK AT DOOR LOCK RELAYS
Convenience
Headlights-Lo
Wire Color RED
Polarity (-)
Location AT LIGHT SWITCH
Audio/Mobile Video
Battery
Wire Color RED/BLACK
Polarity (+)
Location RADIO HARNESS
Accesory
Wire Color BLUE
Polarity (+)
Location RADIO HARNESS
Ground
Polarity (-)
Illumination
Wire Color GREEN/WHITE
Polarity (+)
Location RADIO HARNESS
Dimmer
Wire Color BLACK/YELLOW
Polarity (+)
Location RADIO HARNESS
Power Antenna
Wire Color WHITE/BLACK
Polarity (+)
Location RADIO HARNESS
LF Speaker (+)
Wire Color (+) WHITE/BLUE
LF Speaker (-)
Wire Color (-) BLACK/BLUE
RF Speaker (+)
Wire Color (+) WHITE/RED
RF Speaker (-)
Wire Color (-) BLACK/RED
LR Speaker (+)
Wire Color (+) YELLOW/BLUE
LR Speaker (-)
Wire Color (-) GRAY/BLUE
RR Speaker (+)
Wire Color (+) YELLOW/RED
RR Speaker (-)
Wire Color (-) GRAY/RED
Amp Location
Location NOT LIKELY
Radio Security
Radio Security YES
1992 MITSUBISHI ECLIPSE 2DR COUPE
Security
Battery
Wire Color WHITE
Polarity (+)
Location IGNITION SWITCH HARNESS
Ignition 1
Wire Color BLACK/WHITE
Polarity (+)
Location IGNITION SWITCH HARNESS
Starter 1
Wire Color BLACK/YELLOW
Polarity (+)
Location IGNITION SWITCH HARNESS
All Door Trigger
Wire Color TAN
Polarity (-)
Location INSIDE DR. DOOR ,DK.BLU ALL OTHER DOO
Trunk Trigger
Wire Color N/A
Location WORKS WITH DOME LIGHT
Hood Trigger
Wire Color N/A
Alarm Disarm
Wire Color N/A
Parking Lights
Wire Color GREEN/WHITE
Polarity (+)
Location WHITE CONN. REAR OF FUSE PANEL.
Anti-Theft Descript
Anti Theft System NONE
Tachometer
Wire Color WHITE/BLACK
Polarity (-)
Location AT MULTI COIL PACK
Speed Sense
Wire Color YELLOW/WHITE
Polarity (AC)
Location PASS CONSOLE LARGEST CONN ON ECM
Parking Lights
Wire Color GREEN/WHITE
Polarity (+)
Location WHITE CONN. REAR OF FUSE PANEL.
Brake Lights
Wire Color GREEN
Polarity (+)
Location AT BRAKE SWITCH
Reverse Lights
Wire Color RED/BLUE
Polarity (+)
Location AT GEAR SELECT SWITCH
Horn
Wire Color GREEN/BLACK
Polarity (-)
Location AT STEERING COLUMN "HIGH CURRENT USE
Doorlocks/Windows
Power Unlock
Wire Color BROWN/WHITE
Polarity (-)
Location NEGATIVE TRIGGER
PowerLock
Wire Color BROWN/BLUE
Polarity (-)
Location DRIVER'S KICK AT DOOR LOCK RELAYS
Convenience
Headlights-Lo
Wire Color RED
Polarity (-)
Location AT LIGHT SWITCH
Audio/Mobile Video
Battery
Wire Color RED/BLACK
Polarity (+)
Location RADIO HARNESS
Accesory
Wire Color BLUE
Polarity (+)
Location RADIO HARNESS
Ground
Polarity (-)
Illumination
Wire Color GREEN/WHITE
Polarity (+)
Location RADIO HARNESS
Dimmer
Wire Color BLACK/YELLOW
Polarity (+)
Location RADIO HARNESS
Power Antenna
Wire Color WHITE/BLACK
Polarity (+)
Location RADIO HARNESS
LF Speaker (+)
Wire Color (+) WHITE/BLUE
LF Speaker (-)
Wire Color (-) BLACK/BLUE
RF Speaker (+)
Wire Color (+) WHITE/RED
RF Speaker (-)
Wire Color (-) BLACK/RED
LR Speaker (+)
Wire Color (+) YELLOW/BLUE
LR Speaker (-)
Wire Color (-) GRAY/BLUE
RR Speaker (+)
Wire Color (+) YELLOW/RED
RR Speaker (-)
Wire Color (-) GRAY/RED
Amp Location
Location NOT LIKELY
Radio Security
Radio Security YES
1993 MITSUBISHI ECLIPSE 2DR COUPE
Security
Battery
Wire Color WHITE
Polarity (+)
Location IGNITION SWITCH HARNESS
Ignition 1
Wire Color BLACK/WHITE
Polarity (+)
Location IGNITION SWITCH HARNESS
Starter 1
Wire Color BLACK/YELLOW
Polarity (+)
Location IGNITION SWITCH HARNESS
All Door Trigger
Wire Color TAN
Polarity (-)
Location INSIDE DR. DOOR ,DK.BLU ALL OTHER DOO
Trunk Trigger
Wire Color N/A
Location WORKS WITH DOME LIGHT
Hood Trigger
Wire Color N/A
Alarm Disarm
Wire Color N/A
Parking Lights
Wire Color GREEN/WHITE
Polarity (+)
Location WHITE CONN. REAR OF FUSE PANEL.
Anti-Theft Descript
Anti Theft System NONE
Tachometer
Wire Color WHITE/BLACK
Polarity (-)
Location AT MULTI COIL PACK
Speed Sense
Wire Color YELLOW/WHITE
Polarity (AC)
Location PASS CONSOLE LARGEST CONN ON ECM
Parking Lights
Wire Color GREEN/WHITE
Polarity (+)
Location WHITE CONN. REAR OF FUSE PANEL.
Brake Lights
Wire Color GREEN
Polarity (+)
Location AT BRAKE SWITCH
Reverse Lights
Wire Color RED/BLUE
Polarity (+)
Location AT GEAR SELECT SWITCH
Horn
Wire Color GREEN/BLACK
Polarity (-)
Location AT STEERING COLUMN "HIGH CURRENT USE
Doorlocks/Windows
Power Unlock
Wire Color BROWN/WHITE
Polarity (-)
Location NEGATIVE TRIGGER
PowerLock
Wire Color BROWN/BLUE
Polarity (-)
Location DRIVER'S KICK AT DOOR LOCK RELAYS
Convenience
Headlights-Lo
Wire Color RED
Polarity (-)
Location AT LIGHT SWITCH
Audio/Mobile Video
Battery
Wire Color RED/BLACK
Polarity (+)
Location RADIO HARNESS
Accesory
Wire Color BLUE
Polarity (+)
Location RADIO HARNESS
Ground
Polarity (-)
Illumination
Wire Color GREEN/WHITE
Polarity (+)
Location RADIO HARNESS
Dimmer
Wire Color BLACK/YELLOW
Polarity (+)
Location RADIO HARNESS
Power Antenna
Wire Color WHITE/BLACK
Polarity (+)
Location RADIO HARNESS
LF Speaker (+)
Wire Color (+) WHITE/BLUE
LF Speaker (-)
Wire Color (-) BLACK/BLUE
RF Speaker (+)
Wire Color (+) WHITE/RED
RF Speaker (-)
Wire Color (-) BLACK/RED
LR Speaker (+)
Wire Color (+) YELLOW/BLUE
LR Speaker (-)
Wire Color (-) GRAY/BLUE
RR Speaker (+)
Wire Color (+) YELLOW/RED
RR Speaker (-)
Wire Color (-) GRAY/RED
Amp Location
Location NOT LIKELY
Radio Security
Radio Security YES
1994 MITSUBISHI ECLIPSE 2DR COUPE
Security
Battery
Wire Color WHITE
Polarity (+)
Location OR WHT/BLK IGNITION SWITCH HARNESS
Ignition 1
Wire Color BLACK/WHITE
Polarity (+)
Location IGNITION SWITCH HARNESS
Starter 1
Wire Color BLACK/YELLOW
Polarity (+)
Location IGNITION SWITCH HARNESS
All Door Trigger
Wire Color GREEN/RED
Polarity (-)
Location ABOVE HOOD RELEASE "GRY PLUG"
Trunk Trigger
Wire Color N/A
Location WORKS WITH DOME LIGHT
Hood Trigger
Wire Color N/A
Alarm Disarm
Wire Color BROWN/WHITE
Polarity (-)
Location DRIVERS KICK PANEL
Parking Lights
Wire Color BLACK/GREEN
Polarity (+)
Location ABOVE HOOD RELEASE "GRY PLUG"
Anti-Theft Descript
Anti Theft System NONE
Tachometer
Wire Color BLUE/BLACK
Polarity (AC)
Location AT MULTI COIL PACK (2 CYL SETTING)
Speed Sense
Wire Color YELLOW/WHITE
Polarity (AC)
Location PASS CONSOLE LARGEST CONN ON ECM
Parking Lights
Wire Color BLACK/GREEN
Polarity (+)
Location ABOVE HOOD RELEASE "GRY PLUG"
Brake Lights
Wire Color GREEN
Polarity (+)
Location AT BRAKE SWITCH
Reverse Lights
Wire Color RED/BLUE
Polarity (+)
Location AT GEAR SELECT SWITCH
Horn
Wire Color GREEN/BLACK
Polarity (-)
Location AT STEERING COLUMN "HIGH CURRENT USE
Doorlocks/Windows
Power Unlock
Wire Color BROWN/WHITE
Polarity (-)
Location NEGATIVE TRIGGER
PowerLock
Wire Color BROWN/BLUE
Polarity (-)
Location DRIVER'S KICK AT DOOR LOCK RELAYS
Convenience
Headlights-Lo
Wire Color RED
Polarity (-)
Location AT STEERING COLUMN
Audio/Mobile Video
Battery
Wire Color RED/BLACK
Polarity (+)
Location RADIO HARNESS
Accesory
Wire Color BLUE
Polarity (+)
Location RADIO HARNESS
Ground
Polarity (-)
Illumination
Wire Color GREEN/WHITE
Polarity (+)
Location RADIO HARNESS
Dimmer
Wire Color BLACK/YELLOW
Polarity (+)
Location RADIO HARNESS
Power Antenna
Wire Color WHITE/BLACK
Polarity (+)
Location RADIO HARNESS
LF Speaker (+)
Wire Color (+) WHITE/BLUE
LF Speaker (-)
Wire Color (-) BLACK/BLUE
RF Speaker (+)
Wire Color (+) WHITE/RED
RF Speaker (-)
Wire Color (-) BLACK/RED
LR Speaker (+)
Wire Color (+) YELLOW/BLUE
LR Speaker (-)
Wire Color (-) GRAY/BLUE
RR Speaker (+)
Wire Color (+) YELLOW/RED
RR Speaker (-)
Wire Color (-) GRAY/RED
Amp Location
Location NOT LIKELY
Radio Security
Radio Security YES
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