1989 chevy silverado 1500 bulkhead fuse block pin wiring diagram Fuse silverado avalanche relay bulkhead malibu gmc underhood s10 ext grounded ls1tech savana ch8 Bulkhead wiring
Bulkhead wiring | GM Square Body - 1973 - 1987 GM Truck Forum
Bulkhead wiring
![1989 Chevy Silverado 1500 Bulkhead Fuse Block Pin Wiring Diagram](https://i2.wp.com/schematron.org/image/1989-chevy-silverado-1500-bulkhead-fuse-block-pin-wiring-diagram-5.jpg)