Recent content by sanford51

I should have called it a Koilster, not Koiltester. Sanford.

I have a friend who has an automotive coil tester made by Koiltester. I attached some photos. Anyone have any idea where a manual or electrical diagram might be found? Thanks, Sanford

I've used this tester over the years but never knew if I was using it correctly. I'm not sure how good it is without using compressed air like a lot of them use. I found an ad for on in a 1937 Motor Service magazine. It's for a Model KP-3 but looks very similar to my K-3. It states: "Will...

I have a vintage (1937 or so) King Spark Plug Tester. It's a model K-3. Does anyone have instructions on how to use it? It has 3 holes to put the plugs into (3 different sizes); a voltage control, a wire to attach to the plug being tested and a meter with 3 different "shorted" indicators -...