There's a ton here to digest: the difference between concentric versus parallel twisting, how to determine exactly how long a harness needs to be post-twisting, how to minimize the need to replace an ...

1. Main panel to instruments 2. Main panel to headlight/turn signal farthest from the main panel 3. Main panel to taillight farthest from main panel 4. Alternator/charging system to main panel 5.

One of the most challenging tasks when building a classic truck is the wiring. But even if all we know about electricity is that it makes lights work and the business end of spark plug wires will give ...