Electronic Ignition Switch Wiring Diagram

Learn about VW Bug ignition switch wiring and how to troubleshoot common issues. Find step-by-step instructions and diagrams for a smooth fix.. Find out how to access AutoZone's Wiring Diagrams Repair Guide for Volkswagen Air-Cooled 1970-1981 . AutoZone's Repair Guides tell you what you need to know to do the job right.

Wiring of 2-prong brake light switches ('68/'69) with 3rd switch for warning light. Wiring of 3-prong brake light switches ('70 and later) with warning light connection. Shows how the warning light circuit works. Wiring of 3-prong brake light switches ('70 and later). Another view showing the actual plug/socket wiring to switches.. The only real test you can do on the starter motor is to bypass all of the ignition switch wiring and test it directly by shorting out the little terminal on the starter to the big terminal (which in fact is what the ignition switch does).