68rustang Active Member Jan 17, 2003 1,537 0 36 Cleveland, OH Oct 31, 2005 #1 Oct 31, 2005 #1 What do the two "proof" pins on the back of the ignition switch connect to? The shop manual refers to a "prove-out" circuit. What is it? What does it do? My shop manual diagram doesn't show anything.
What do the two "proof" pins on the back of the ignition switch connect to? The shop manual refers to a "prove-out" circuit. What is it? What does it do? My shop manual diagram doesn't show anything.
