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  1. R

    No spark after 2 min. - 4.3 Merc., tachometer involved?

    Hi All, Been thru the FAQs and searched a bit so now I'm posting - first time so I hope I get this right. First, this is a 2004 Mariah with 4.3 carb Mercruiser. It was winterized last fall and now I can't get it going. I turn the hose on (still on trailer luckily) and start it and it runs...
  2. R

    4.3 Merc wiring to fuel pump question

    I have a 2004 Mercruiser 4.3 with 2bbl and a no start problem and have read all the manual has to say and can't quite understand the circuit from +12 to the fuel pump. There's no voltage at the fuel pump with key in "on" or crank position. There's voltage (although a puzzling voltage like 8...
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