I went from an 04’ 200 efi merc to a 2008 250 Pro XS. All my gauges worked until the motor swap. Had to get an adapter to connect the harness. What’s the problem?
I went from an 04’ 200 efi merc to a 2008 250 Pro XS. All my gauges worked until the motor swap. Had to get an adapter to connect the harness. What’s the problem?
Check all grounds.
And Master Power Switch (if equipped).
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Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
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