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Hot!Cub Cadet 1527 with Kawasaki FH500V 17Hp No spark, New coils, stop dead wires unhooked,

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eddyjoe56
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2017/05/16 17:23:16 (permalink)
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Cub Cadet 1527 with Kawasaki FH500V 17Hp No spark, New coils, stop dead wires unhooked,

Has anyone encountered (new) coils that produce no spark even with stop (grounded) wires unhooked?
 I can only believe that the flywheel magnets are bad but have never encountered this before.

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    xc1975
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    Re: Cub Cadet 1527 with Kawasaki FH500V 17Hp No spark, New coils, stop dead wires unhooke 2017/05/20 20:37:19 (permalink)
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    This would be an issue of the start circuit, the magnets are apart of the charging circuit.
     
    I was looking at a wiring diagram for your start circuit and it looks like you have both an oil pressure switch and fuel cut off switch that are required for spark. Have you checked these? Do you have a repair PDF for this?
     
    I found a PDF at

     
    the ground wires on the coils are not the stop wires exactly. These wires are needed to create spark through the solid state ignition module for timing.
     
    "

    This generates a small bias current to flow through the control resistor (R1) to the base of (Q1). This base drive causes the transistor to conduct (turns on) completing the primary circuit. Current flows from the high side of the primary winding through the transistor (collector to emitter) to ground."
     
    The start circuit is toward the bottom of the PDF, and has resistance measures for testing, very helpful.
    What happens if you plug everything back in? Still no spark, check if power is being sent to the coil, check the resistance of the module? Also the ignition switch?
    Respectfully,
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