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  1. M

    GM EST Distributor Kit and Mercruiser Shift Interrupt Switch

    I have it set up the correct way and it is working correctly. I am just asking if anyone has set it up an alternative way. Such as connecting the shift interrupt switch wire to the tachometer wire on the coil with no shift interrupt lead attached to the distributor. This way when shifting into...
  2. M

    GM EST Distributor Kit and Mercruiser Shift Interrupt Switch

    I have a 1998 Sea Ray 215 Express Cruiser that I recently installed a GM EST Distributor Kit on. 5.0 Liter (305 CID), 2BBL Carb, V8, Alpha 1, Gen 2. The Thunderbolt V was giving me some problems so I decided to get a new ignition system. The installation went just fine. The shift interrupt...
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