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Rewiring the Yamaha guages (multi tac, volt, temp and water pressure) for a 1988 130 v4 ETLG. The previous owner modified the wiring by adding other components and I would like to take it back to original. I am just not sure how to tie the guages together. I have a lead that comes off the ignition with a yellow(+12v key on), black(grnd) and green(which I believe is the Tac sender). At one point the green ties a blue(light) wire which runs in series to the lights on the other guages. I would like to run the guages with the nav switch but not sure how to wire it up. Also the yellow wire is missing a fuse and not sure what size it requires. If anyone has a diagram or an idea on how to accomplish this, I would greatly appreciate the help.