470 190hp electrical help

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shark bite

Cadet
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Jul 5, 2010
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motor fires and immediatly shuts down....will run but roughly when I put jumper from coil to battery. these are voltages with key on

at the battery had 12.78volts

at the choke connection had 12.15

at the + coil side had 10.23

at the - coil side had 7.50

does anyone have a series of checks I may take to figure this out
 
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