Fig. 5: 1988-98 GM-C/K Series Wiring Schematic; Fig. 6: 1988-90 GM-R/V Series Wiring Schematic; Get to Know Your Truck's Wiring. Typical electrical problems include bad batteries, alternators, and starters, along with blown fuses and bad battery cables. Some wiring system issues are more complex, however: open circuits, short circuits.. The wiring diagram for a 1989 Chevy Silverado 1500 is essential for understanding the complexities of the truck's electrical system, as well as identifying potential issues that may exist. To effectively use the diagram, you must first understand the basic components and how they function together.
![[DIAGRAM] 1989 Chevy Silverado Alternator Wiring Diagram](http://ww2.justanswer.com/uploads/yarttam/2010-12-03_224243_man_ac_wiring_diagram.gif "[DIAGRAM] 1989 Chevy Silverado Alternator Wiring Diagram")
![[DIAGRAM] Wiring Diagram For 1989 Chevy Silverado](https://www.justanswer.com/uploads/JHoop/2008-05-22_191919_b.jpg "[DIAGRAM] Wiring Diagram For 1989 Chevy Silverado")
![[DIAGRAM] 1989 Chevy Silverado Alternator Wiring Diagram](https://lh6.googleusercontent.com/proxy/Eyv3itIlPcPlqD57wkxQCd6Fkoa6kBOBfUd23Cyuh21iYp4JwoRXNI8G8snCMkmX5lsQJiCHMeMd9SN4Er4RsFdSkS0z19MjBOyAYFSSa6l8j-e7PLBIuJ7_mpwBSjy-jeqU-yChhdEFNB8szPE5sHf-JCZxmjF_RgNmrD7ocYUcSVxw7cAXY4vYn5cw=s0-d "[DIAGRAM] 1989 Chevy Silverado Alternator Wiring Diagram")
![[DIAGRAM] 1989 Chevy 1500 Ignition Switch Wiring Diagram](https://www.gm-trucks.com/forums/uploads/monthly_2017_11/ignition.gif.be22e5f83b9d32fd2255203f04112316.gif "[DIAGRAM] 1989 Chevy 1500 Ignition Switch Wiring Diagram")
WIRING INFORMATION: 1992 Chevy Silverado Full-Size WIRE WIRE COLOR WIRE LOCATION 12V CONSTANT WIRE RED Ignition Harness STARTER WIRE YELLOW OR PURPLE Ignition Harness IGNITION WIRE PINK Ignition Harness ACCESSORY WIRE ORANGE Ignition Harness POWER DOOR LOCK (2-door models: 5-wire reverse polarity, 4-door and models with. 1989 WIRING DIAGRAMS R-V, P TRUCK MODELS - 73-87ChevyTrucks.com