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    I can't get my mercruiser over-temp alarm to shut off

    Re: I can't get my mercruiser over-temp alarm to shut off Update: I have pulled the tape off of the wire bundles in order to trace where everything is going. The last person to work on the electrical system either had no clue what he was doing or was making a concerted effort to bypass...
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    I can't get my mercruiser over-temp alarm to shut off

    Re: I can't get my mercruiser over-temp alarm to shut off Absolutely. I guess I misinterpreted the pictures you attached....but my igniter does say Thunderbolt IV.
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    I can't get my mercruiser over-temp alarm to shut off

    Engine: Mercruiser 4.3LX, serial number 0F586331 Outdrive: Alpha one, Gen II Scenario: After completing some work on the outdrive, I took the boat out for a test run. The boat started great, shifted great, and for the most part ran great (it was a little slow getting out of the hole and...
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    Can I swap a 1995 4.3L Alpha 1 Gen II lower unit with 1988 3.7L Alpha I lower unit

    I crunched my lower unit :mad: and it's obviously going to be a pretty penny to have it fixed. I found a 1988 3.7L Alpha I lower drive assembly for sale online and was curious if I could swap one for the other. From what I can tell from looking online, the gear ratio for the 3.7L drive is...
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