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    4.3 TKS Repeat oil pressure switch failures

    Hmmm, good suggestion. I hadn’t considered that. One would assume the current load from the pump would be be factored in during the design, but... The relay would eliminate the higher current thru the switch, so yeah. Is this something you’ve encountered before on similar Merc engines, or just...
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    4.3 TKS Repeat oil pressure switch failures

    Hello all, I have a 2014 Larson LX195S with a 4.3 TKS. 260 hours. I’m on my 4th oil pressure switch since new. They keep failing, causing the fuel pump to stop running. It’s become so predictable that I have made a temp wire harness that plugs directly into the pump connector to feed it 12v from...
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    2014 Mercruiser 4.3 TKS - intermittent false overheat alarm

    Hello all, This is my first post to the forum, I'll try to be as thorough as possible. First, the info: 2014 Larson LX195S - first owner 4.3 TKS (190) Alpha 1 High Five 19P 75 hours Used freshwater only - premium (94 octane) fuel Problem: intermittent sounding of overheat alarm Diagnosis...
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