Search results

Did you measure 12V battery voltage when the engine is running? If you get about 14 volts, then the stator and voltage rectifier/regulators look to be charging the batteries. If you get more like 12 volts, then the charging system may not be working?

Hi all, Battery keeps dying on my 2001 Utopia with Mercury M2 EFI V6. I am pretty sure the battery is dead because when it fails to start the boat, it cranks progressively more slowly and then does not crank at all. I can charge it up with a 12V battery charger and be back in business just...

@Medicine90man What ended up being the actual root cause and resolution? I'm having similar issues, motor cranks fine for a while but then eventually cranks slowly and won't start. After charging the battery (which load tests at almost 100%) things are fine again for another ~10 starts and then...