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Topgearx said:There are no coils in the schematic other than in the relay.This thing dynamicaly tests automotive coils with a 12v battery. I think it works like a CDI.
Topgearx said:Does anyone have a schematic or can draw one for a automotive coil tester?
Topgearx said:I am trying to make it. I once possesed the schematic but have lost it.
john1 said:Hi,
I found that relays did not seem to me to stand up to running the
primary on an ignition coil.
I ended up making an assembly using an old set of points and an oval
cam driven by a small electric motor.
This gave me the proper mark-to-space ratio over a wide speed range.
Very simple to construct and build.
Soon as i find it, i will post a pic.
I dont remember where it is,
so i will have to poke around til i find it, or get fed up and give up.
John