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found that my gauges weren't working with my '92 70hp yamaha the other day. found the 10a fuse was blown but replacing this didnt help. there is a small box that looks like a relay but cant really tell. does anyone have any ideas? thanks
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Shouldn't be any relay for the gauges. Check that have 12 volts between yellow and black wires(with key on) at gauge. If don't check wiring and key switch, if do may be a bad gauge. -
thanks for the reply.
i am only getting 2.3v at the yellow wire, but its running at 12.5amp and is getting quite hot. the oil full light is the only thing working. i have tacho fuel, trim and hour gauges.
is there anything else worth checking?
did a visual on the wiring around the motor and appears fine.
do you think there may be a fault somewhere between the motor and console?Comment
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Do you mean the Tach is getting hot, if so you have a bad tach. Not sure what you mean by running at 12.5 amps, there shouldn't be anything at console that would draw that much amperage.Comment
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that yellow wire that has the 12v for all the gauges is getting hot from the high current
yeah i know nothing should draw that many amps so a little curious why.
maybe i will have to take it in somewhere
can you tell me what that little black box that has the wires from the gauges going into it is?Comment
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