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12-28-2018, 06:39 PM #1
3 cylinder evinrude 25 hp electrical issues?
Looking for anyone that might have some tips on this one, it is the 3 cylinder Ec model evinrude 25 hp, went fishing today motor cranked up ran great then all of the sudden it shut off no spark, I had this happen before and thought it was a ground issue so I added an extra ground for the pack and used it with no problems for a few outings I disconnected the kill wire to make sure it wasn’t a wire harness issue still no spark, I decided to troll around and fish for a while then tried it again and it cranked and ran great the rest of the day, loaded it up drove home about an hour and a half got home battery stone dead, put a charger on it to crank it to flush salt water out and checked across the battery terminals only 12.5 volts. I am trying to see if I have two problems like pack and reg/rectifier or stator and reg/rectifier or could it just be one of them causing both problems no spark intermittent and no charge/drain, I have the oem manual and will look at it next week but hoped for some advise, also I no longer have a peak voltage meter only std. multimeter, thanks Matt.
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01-01-2019, 09:42 AM #2Junior Member
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Work backwards Charge battery remove one + wire at a time to find the draw/ drain. Disconnect and test for a c voltage before the D C voltage regulator. Not sure if Evenrude has trigger coil like the Mercs.By adding the ground at first you moved something ? Because it didn't work! If all cylinders cut out you would think it's no power going in or the pack getting hot typing on my phone sucks good luck
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01-01-2019, 03:38 PM #3
I took a quick look today and am going to order a peak voltage adapter, I miss having one as they are so useful. Thanks
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