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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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#88520 10/20/2004 12:16 AM | Joined: Jul 2003 Posts: 141 Member | | Member Joined: Jul 2003 Posts: 141 | I installed a NOS ignition switch in my 52 1/2 ton about 2 weeks ago. It was not marked either, so I just tested all 3 terminals with my VOM. With the key in the off position all three terminals are insulated or open. With the key in the on postion all 3 terminals are closed or conducting. Pick any terminal for the BAT connection, then the other 2 will get voltage when you turn the key. I finished all my wiring last weekend and it works great.
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