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    1990 3.0 mercruiser ignition voltage issues

    so I seem to have found my problem, I run jumper wire from battery to starter had power to starter still not to dash so I tried to run jumper cable from starter power connector to the breaker circuit that joins to starter as I had 12 volts on one side of ther circuit breaker but not the side...
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    1990 3.0 mercruiser ignition voltage issues

    I been out there again I decided to disconnect the fuse panel under the dash completely I sanded down everything and changed a few connectors connected power and earth back up checked it, 12 volts connected all the individual connectors to gauges testing voltage still whilst connecting was all...
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    1990 3.0 mercruiser ignition voltage issues

    So just checking my bolts at the battery read 12.5 at the alternator 12.5 at the starter 12.5 but at the main plug harness 0volts when it’s connected so I’m assuming the issue is somewhere at the dash that’s drawing all the power down
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    1990 3.0 mercruiser ignition voltage issues

    Hi guys sorry thought I’d put the year down it’s 1990 fairly old motor, I’ve checked with a meter as far back as the wiring harness plug and when switching ignition or bilge on voltage is dropping there. The starter was brand new last year, I’ve checked the terminals couple times now everything...
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    1990 3.0 mercruiser ignition voltage issues

    Hello Guys really looking for help I have a mercruiser 3.0 4 cylinder, last year I had various issues. it previously had sat out of the water for 4 or 5 years then I bought it as a project floor had rotted it’s a Capri bayliner. Anyway floor got replaced it was serviced I launched it to water...
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