for help on 88-95 wiring Mustang FAQ - Engine Information Fuel pump runs continuously: The fuel pump relay contacts are stuck together or the light blue/orange wire (pin 22) has shorted to ground.. Find the complete wiring diagram for your 1989 Mustang to troubleshoot and repair electrical issues. Easy to follow diagrams and instructions.
1989 Ford Mustang Electrical Wiring Diagrams All Including Mustang LX & Mustang GT | Coupe, Hatchback & Convertible | 2.3L I4 & 5.0L V8 Engines 12 - 17" x 11" pages that fold out to 11" x 27" each | Published by the Ford Motor Company Covering Connector Configurations * Circuit Identification and Location * Relays * Grounds * Wiring Diagrams * Color Coded in Black and White This is the.. 5.0L (1979-1995) Mustang - 1989 wiring help!! - Hey guys have a 1989 mustang gt. Just dropped motor in and plugged everything up. I need help to what wires go to my alternator and what goes to my starter? I have both stock alternator and starter. At a lost!! Thank you!