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wireing my aftermarket tachometer

Old 08-16-2015, 07:38 AM
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Default wireing my aftermarket tachometer

I bought a Sun tachometer for my 1988 k5 blazer does anybody know how to wire it for the signal I've hooked up the light the red for power the black for ground but where do I hook up the green wire for the signal it's a 350 with carb it has the hei distributer with coil on top I believe so can anyone help
Old 08-16-2015, 07:54 AM
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