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Discussion Starter · #1 ·
retro raditron tach...3 wires

Brown

Green

Yellow

it came from the states if that helps.where do they wire to?


Smudge :)
 

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i dont actually know, but my guess would be (dont hold me to this being right though)

green generally is always the wire to the coil

brown = earth

yellow would be power, although on car stereo head units i think its a perminant live for the memory.

thats what i think it would be
 

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Discussion Starter · #3 ·
had the same thought mate.Ive wired in monster tachs but they have four wires.One being white

thanks Mate
 
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