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I’ve had to replace my throttle quadrant switch three times over the last two years. Any idea why the micro switch keeps going bad? It’s an inexpensive little switch to replace, but it’s not easy to get at.
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By: Lenny Rudow
November, 2009

This is a very common problem. Most of the time, this switch goes bad because moisture gets inside the throttle housing and creates havoc. Rainwater alone can be the culprit, so boats stored in the open are most at risk. Quite often, simply keeping the helm area of your boat covered is all it takes to prevent a recurrence.

Another option is to replace the throttle with a newer unit. Try Teleflex’s Morse series, which is available in both binnacle and side-mount styles ranging from about $150 to $300. These modern models are a lot better at keeping moisture at bay and should solve your problem.

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