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-   -   Converting from points to thunderbolt (https://www.offshoreonly.com/forums/general-q/254184-converting-points-thunderbolt.html)

schurgervt 05-23-2011 06:38 AM

Converting from points to thunderbolt
 
Can anyone help with information like wiring diagrams for a points to thunderbolt conversion?

I bought a used Thunderbolt ignition and distributor for my 81 454 mercruiser.

I just don't want to burn up my thunderbolt by wiring it incorectly.

Audiofn 05-23-2011 06:54 AM

I am about to do the same thin on my Donzi. From what I was told most of the wiring is there. You just need the small harness that comes off the ignition control box? I think everything else is there.

Griff 05-23-2011 12:04 PM

Make sure to get rid of the ballast resistor from the old points ignition or it won't get spark. Also, the ignition module case must be grounded.


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