Mercruiser engine won’t shut off

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hawker63
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Posts: 168

Mercruiser engine won’t shut off Jul 23, 2020 20:09:00 GMT -5 via mobile tc33obx likes this

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Post by hawker63 on Jul 23, 2020 20:09:00 GMT -5

FYI. We had interesting problem on our 2007 4460. Starboard motor wouldn’t shut off. Pulled power from key switch and engine kept running. Swapped out the main power relay. Swapped ECM. Turned out we had a short in the alternator back feeding 12 to the run circuit. Replaced alternator and problem solved

2007 Regal Commodore 4460 W/ 8.1HO Mercruiser, gas V-drive. Guntersville Alabama
2007 Crownline LS240 w/ 5.7 Merc Bravo 3 (sold)
2001 Monterey 262 w/ 5.7 Merc Bravo 3 (sold)

gofast24 Moderator Posts: 1,234	Mercruiser engine won’t shut off Jul 24, 2020 11:20:40 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by gofast24 on Jul 24, 2020 11:20:40 GMT -5 Thanks for info and solution! Unusual to have a problem post with the solution all in one post!!
	2001 Regal 4160 Twin VP 8.1 GSI-I Inboard/ V-Drives Lake Lanier GA

Mercruiser engine won’t shut off

Post by hawker63 on Jul 23, 2020 20:09:00 GMT -5

Post by gofast24 on Jul 24, 2020 11:20:40 GMT -5