| Symbol | Description |
|---|---|
| 1 | Circuit Breaker |
| 2 | Fuse Assembly and L22 |
| A | Fuse-Inst Panel Lamps |
| B | Receptacle-Lamps |
| C | Fuse - Heater and A / C (C60) |
| D | Fuse - Windshield Wiper |
| E | Fuse - Stop and Traffic Hazard Lamps |
| F | Receptacle - Accessory |
| G | Power - Accessory |
| H | Receptacle - Battery |
| J | Fuse-Radio (U63) |
| K | Receptacle-Directional Signal Lamp Flasher |
| L | Fuse-Tail Lamps |
| M | Fuse-Clock, Cigarette Lighter and Courtesy Lamps |
| N | Fuse-Directional Signal and Back-Up Lampps |
| P | Receptale-Cruise Control (K30) Rear Window Defogger (C50)(All Ignition Control) |
| Q | Fuse-Gauges |
| R | Receptacle-Seat Belt Buzzer |
| S | Receptacle-Horn Relay |
| T | Receptacle-Ignition Key Lock Warning Buzzer |
| U | Receptacle-Traffic Hazard Flasher |
Chevy Dually 1989 Fuse Panel / Board – Fuse Symbol Map




