www.iFourWinns.com

Wow, tough crowd in here tonight.

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1981 Columbia 8.7
2015 Yamaha FZR - 87mph - sold
2006 Yamaha GP1300R - sold
2003 Chaparral 215 SSI - sold
2009 Stingray 195CS - sold
2000 Four Winns H180 - sold
1976 O'day Daysailer II - sold
Rick's Four Winns H180 Mods/Upgrade Thread

Time for the tech to chime in,,,,

Ric is correct. The spark shield is the only difference between automotive and marine alternators. When I replace a marine alternator or starter I take it to a rebuilder I use and he rebuilds it using the spark shield already existing inside thus keeping the unit J-1171 compliant AKA Coast Guard approved.

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07 Azure AZ200,
Previous boat,
95 278 Vista,
And a lot of others.

Ontario, Canada

Me too...as far as getting starters and alternators rebuilt, easy and cheaper

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http://i1339.photobucket.com/albums/o71 ... wqm355.jpg


08' H210SS
VP 5.7Gi

I didn't see anyone mention the screen located inside the alternator at the fan/pulley end. Yes it is there, if you are using an automotive rebuilt alternator, you need to dismantle the unit and install the screen inside as well as the rear screen. If you need to take it apart anyway, you might as well dewtermine if the problem is with the stator windings, the rotor windings, or the voltage regulator/brushes and only replace the defective component. I have repaired my alternator a couple of times this way (one time brushes, other time voltage regulator) using delco (GM) parts for the repair.

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2001 Horizon 180LE 4.3 VP SX
2008 GMC 1500 6.0L Z71