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1977 johnson 140 tachometer hookup

gizmolvr

Contributing Member
"just purchased a tach for my

"just purchased a tach for my motor. has connections for "send", "ground" and ignition. Does any one know the correct way to wire it up? I think the grey goes to "send", "ground" goes to a good ground and "ign" goes to ? Also should it be set to 6p? thanks for the help"
 
gray to sender-- gruond to bla

gray to sender-- gruond to black wire off the ign. switch--- ign. to purpel wire off ing.switch
 
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