marshall13
Senior Member
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the first step is to admit your ignorance
Posts: 301
Fort Lauderdale FL
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here's a variation of Charon's idea, check the available voltage at the box, and the coil... the iggy system on this bike really reminds me of a ford tfi, right up to the "start" signal wire to the iggy box... while cranking, id want to see at least 11 volts to both the black(start signal), and orange/white(ignition hot) wires going into your iggy box, at the box side connector... further, i'd want to see no less than 1.5 volts less than is available at the batt terminals, while cranking.... you can get harness continuity, but still have resistance that causes voltage drop(loose pin socket kind of thing).... if that black wire doesnt give an acceptable signal, the box wont switch to "start retard" on the advance.... if the orange/white doesnt provide enough voltage, the box wont power up.... that you got any spark at all would be an indicator the iggy is functioning.... id also check the voltage at the orange/white coil wire connector, while cranking, same desired results(at least 11, no lower than 1.5 below bat)id also run a resistance on the black/yellow that runs from the coil to the box, and id want to see less than 1.5 ohms resistance, preferably a very minor decimal.... im willing to bet either you have a bad spade connector on the coil, or bad connections causing a voltage drop..... my real bet is that black wire, ill bet it isnt giving a signal....
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