Editing Trouble shooting 85 chevy factory tach

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1985 chevy camaro factory tachometer , when running tac goes to 7000 rpm at idle . wiring looks to be correct. customer is running a super coil, will this effect the signal for the tach. If so is there a solution to fix this issue.

:I believe the problem ''may'' revolve around the factory installed electrical choke used in the tach circuit. In the meantime the tach wire should be connected to the coil "-" (negative) terminal.

:Please see the info on the [http://www.crankshaftcoalition.com/wiki/Crankshaft_Coalition_Wiki Main page] regarding the wiki vs. the Hotrodders forum. The forum is where you need to post specific questions if you cannot find the answer here, and unfortunately I don't recall seeing anything about this in this wiki.

:Thanks, [[User:Cobalt327|Cobalt327]] 10:22, 18 November 2013 (MST)