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  1. Just bought this M235 and noticed the volt reading was at 12 when ignites on and dropped to like 11.7 when the motor started and was idling. After a few hours, i watched it keep dropping and it got down to about 10.5. I am assuming the alternator has gone bad but before I tear into that, just wanted to see if anyone else has had the same issue. Seems like an alternator shouldn't go bad after 4 years....
  2. So since I got my boat, I've noticed that the voltage to both the PP and MDC display is lower than is ideal. With key on and engine off, my PP display says 10.0-10.3V. Measuring at the battery gives me a solid 12.6-8v based on my cheapie harbor freight DMM. Measuring between the hot lead on the ignition switch and the ground bus bar under the dash shows 12.5v. About what I'd expect and rules out bad grounds, bad batt connections. When I key on, voltage measured between any of the switched posts on the ignition switch and the bus bar shows about 10.5v. Not what I'd expect. So the question I have is this. Is my ignition switch faulty, or is there something downstream of the switched posts on my ignition switch causing this? Boat runs great other than that. I'm suspecting that I'm going to have to pull the ignition switch and disconnect wires one at a time to find the offending resistance. The only stuff that comes on ignition is: Fuel pump ECM PerfectPass Servo PerfectPass Display MDC Gauges Depth finder and transducer Gotta be one of those if not the switch itself.
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