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  1. G

    1994 4.3 Mercruiser fuel pump priming issue

    Ended up being a short in the purple wire, boat started right up after fixing and fuel pump primes now! Thanks again, should be out on the lake this weekend😎
  2. G

    1994 4.3 Mercruiser fuel pump priming issue

    I don’t think it’s wired wrong as it’s ran fine in the past and I haven’t changed anything. I’m convinced it’s a grounding/wire shorting out. I’ve also tried hooking each wire up to each terminal and nothing. I traced the purple/yellow wire to the starter and it gets voltage when cranking (makes...
  3. G

    1994 4.3 Mercruiser fuel pump priming issue

    For sure not factory wiring as it has been replaced by an electric fuel pump (ran great for the past year though and I didn’t touch anything before it stopped working). But just tested the wires and confirmed that it only gets power when cranking so I agree that it sounds like a switch issue. I...
  4. G

    1994 4.3 Mercruiser fuel pump priming issue

    Thanks! It’s carbed, it’s the 4.3L Alpha One (262 CID) GenII
  5. G

    1994 4.3 Mercruiser fuel pump priming issue

    Here’s the issue- My fuel pump used to prime for a few seconds and start just fine. My boat no longer primes and won’t start but sounds like it turns over and just dies immediately. Here’s all that I’ve tried: -Checked engine kill switch (lanyard) -Checked neutral shift kill switch -Checked...
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