Vintage Volkswagen Bus - Repair and Troubleshooting of Electrical System

The wiring on a VW van or bus can be very simple. This is particularly true of older models (mid 1960's and earlier).

In fact it's probably one of the simplest wiring schemes in automotive electronics.

For example, there is one wire leading to each set of bulbs in the tail lights. Each one of the bulbs has two leads, one to one of these wires and one to ground. Electrically speaking, very simple. Practically as well. There is no way to achieve the same effect
with fewer wires.

There is one wire running to the left and right set