Aquasport Mechanicals - things that need a wrench, screwdriver or multimeter > Electrical
Yamaha tachometers on Explorer 275 TXRD 225’s not working (both)
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MV2:
Both of my tachometers won’t come on when key turn. Speed and fuel management gauges come on and are on same power. Is there a fuse on the ground? I can’t find it!! Is it at the engine fuses, or inline somewhere?
Just had to replace all the engines fuses, and may have missed on.
MV2:
Still not been back on water, but soon to test. Do the tachometers need to re-sync or reset? Have not had engines running yet. Dumb question, do they come on
Without the engine running?
RickK:
The tachs will power on and light up but no readings until the engines are running.
MV2:
Thanks Rick, they don’t light up at all, but I cannot find a fuse to test/replace. Had to replace fuses at motors.
boatnamesue:
Tach receives power from yellow accessory feed and grounds with black. The yellow does have a fuse on the harness between the throttle and tach. No coincidence both tachs are out yet all your other gauges are working. Likely a bad tach ground or blown fuse. Good luck.
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