Herein you can see the electrical wiring diagram for the 1954 Chevrolet Truck. This complete electrical schematic is available for download and for free. Be sure to study them first before using it in one of your wiring projects. Components we will see inside are including: stoplight switch, horn relay, battery, starting motor, gas gauge tank unit, instrument light, ammeter, dome lamp, spark plugs, voltage regulator, beam indicator light, horn button, ignition switch light, ignition switch, etc. Click on image to view it larger in a new tab.