No spark on merc 850

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mrsemi05

Seaman Apprentice
Joined
May 26, 2009
Messages
31
hi i narrowed my problem down to the switch board/comp thing or the COIL can anyone please tell me how to test them????
 
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Pyr8

Cadet
Joined
Apr 11, 2010
Messages
7
Re: No spark on merc 850

Hi wrsemi05-
Do you happen to know which version of the Thunderbolt ignition you have? Maybe year of the motor? If not could you post the serial# ?
 
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mrsemi05

Seaman Apprentice
Joined
May 26, 2009
Messages
31
Re: No spark on merc 850

i dont know the ignition but the year is 86 and ill go get the serial number thanks for all the help!!!!
 
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mrsemi05

Seaman Apprentice
Joined
May 26, 2009
Messages
31
Re: No spark on merc 850

i found the problem there were 2 wires crossed and shortin out
 
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