Find the 1978 Chevy truck fuse box diagram, detailed wiring information, and easy-to-follow instructions to help you with electrical troubleshooting and repairs.. View and Download Chevrolet Light Duty Truck 1978 service manual online. Light Duty Truck 1978 trucks pdf manual download.
![[DIAGRAM] 1978 Gmc Motorhome Wiring Diagram Schematic](http://dave78chieftain.com/78_Dodge_Wirin/IMAG001A.jpg "[DIAGRAM] 1978 Gmc Motorhome Wiring Diagram Schematic")
![[DIAGRAM] 1978 Gmc Truck Fuse Diagram](https://www.autogenius.info/wp-content/uploads/2016/12/GMC-sierra-fuse-box-engine-compartment-2014.jpg "[DIAGRAM] 1978 Gmc Truck Fuse Diagram")
![[DIAGRAM] 1978 Chevy Truck Fuse Box Diagram](http://www.alfaheaven.com/MilitarySection/Blazers/Blazers-Pages/CUCVfuseDiagrm.jpg "[DIAGRAM] 1978 Chevy Truck Fuse Box Diagram")
Fuses location and description Chevrolet El Camino and GMC Caballero with engine 3.3 L V6, 3.8 L V6, 4.4L V8 (Small-Block), 5.0L V8 (Small-Block) or 5.7L V8 (Small-Block) (1978, 1979, 1980, 1981). Circuit Breaker: Headlights — Circuit breaker is integral with headlight switch to protect headlight circuit.. Find the detailed 1978 Chevy truck fuse box diagram to help with proper fuse identification and troubleshooting for electrical issues in your vehicle.