Ia-! and CO-1015

[Roy MacMillan]

    Still trying to get some help with my IA-1 ignition analyzer. Specifically a schematic and a description of the assembly of the test leads. After looking at a schematic from a IO- 20, I think I know how the test leads should be constructed but would like to be sure before I try using them. 

    Also recently picked up a CO-1015 ignition analyzer which works great except for one part of the test circuit. I have trouble shot as far as my electrical experience will allow but now that I'm into the circuit board I need an experienced opinion, as I have no idea how to check transistors or diodes. I can supply a schematic to anyone's reply.

                    Roy

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