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'94 Mercury 25hp 2-stroke won't start, it did last week...
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<blockquote data-quote="DaleH" data-source="post: 390498" data-attributes="member: 15636"><p>I've never seen corrosion built up at all in on-line OB fuse. How did the water get in there, was this a submerged OB you bought without knowing it? I have seen faulty ignition switches cause all sorts of starting problems. </p><p></p><p>With that much corrosion, resistance check your OB cables. If OK & battery is OK and starter still turns that faint (little), then it might be a candidate for a rebuild. But I'd do some voltage checking first, i.e., battery voltage vs same when cranking etc. Some Motor ECMs or ECUs won't fire if the motor see < 10 VDC whilst cranking.</p></blockquote><p></p>
[QUOTE="DaleH, post: 390498, member: 15636"] I've never seen corrosion built up at all in on-line OB fuse. How did the water get in there, was this a submerged OB you bought without knowing it? I have seen faulty ignition switches cause all sorts of starting problems. With that much corrosion, resistance check your OB cables. If OK & battery is OK and starter still turns that faint (little), then it might be a candidate for a rebuild. But I'd do some voltage checking first, i.e., battery voltage vs same when cranking etc. Some Motor ECMs or ECUs won't fire if the motor see < 10 VDC whilst cranking. [/QUOTE]
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'94 Mercury 25hp 2-stroke won't start, it did last week...
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