I thought it was weird that your repro and NOS kickdown switches were different as far as continuity between the terminals closest to the plunger end. But I hadn't dug into it. From looking at the wiring diagram (attached) from the Chevy manual, I believe that those two terminals should have continuity, as electrical diagrams typically show contact positions in an at rest or non-powered condition. That being said, it appears to me that your Repro switch is no good. Don't know which you are planning on using, but I'd go with the NOS.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
