1965 Chevy Truck Wiring Diagram | Free Wiring Diagram Collection of 1965 chevy truck wiring diagram. A wiring diagram is a streamlined standard pictorial representation of an electrical circuit. It shows the elements of the circuit as simplified shapes, and also the power and signal links in between the devices.Author: Ricardolevinsmorales 1965 chevy truck wiring harness | eBay Save 1965 chevy truck wiring harness to get e-mail alerts and updates on your eBay Feed. + Items in search results. NOS 1961-1965 Chevrolet Corvair FC Truck Accessory Wiring Harness GM 988350 See more like this. 1964 1965 1966 Chevy truck cab wiring harness Chevrolet c10 under dash interior.