sevenhillsbilly
New Member
how do i put a aftermarket tach in my 89 crx there are 4 wires black red green and white where do they go
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take the bezel off the instrument cluster....theres a big plug on the back.....splice your tach signal wire into the BLUE wire on that plug. even if a factory tach isnt there honda still wired one in..dont worry bout the dizzy. ive done this on both my hatches..piece of cake