I recently purchased an '89 Catalina 30 and decided to do a engine wiring upgrade to replace the trailer plugs and clean up the wiring. Part of the upgrade is removing the orange 10g. wire from the harness and reconnecting it from the alternator to the starter solenoid-this is said to significantly improve the charging cycle. The boat has a voltmeter. When I checked the alternator, I found that I had three wires coming from it: a red 14G. wire that led back to the engine panel (think it may be going to the tach), a second wire-the 10G. wire that I thought was supposed to be rerouted to the starter solenoid, and a third wire - a 14G. orange wire that already goes to the starter solenoid. I can't find the third wire on any of the schematics on the web. Does anyone know what the function of this wire is? Should it be removed if the second wire is connected to the solenoid? In the mean time I have replaced the connectors, but left everything as it was. Would appreciate some insight. Thanks
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