GMC 2500HD Sierra 2003 Fuse Box/Block Circuit Breaker Diagram
| Fuse Symbol | Fuse Map | Amp |
|---|---|---|
| Function/Amp-Gas, Function/Intensite-Essence | ||
| 1 | INJ 2 | 15A |
| 2 | INJ 1 | 15A |
| 3 | O2A | 15A |
| 4 | O2B | 15A |
| 5 | IGN 1 | |
| Function/Amp-Diesel, Function/Intensite-Diesel | ||
| 1 | EDU | 25A |
| 2 | ECMRP | 15A |
| 3 | FUEL HT | 15A |
| 4 | ECMI | 15A |
| 5 | EDU | |
GMC 2500HD Sierra 2003 Fuse Panel/Board – Fuse Symbol Map
