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1968-70 B Body Square Tach #2512068 06/23/18 09:43 AM 06/23/18 09:43 AM
Joined: Aug 2008 Posts: 76 Pittsburgh, PA R roadrunnerh OP member
roadrunnerh OP member R Joined: Aug 2008 Posts: 76 Pittsburgh, PA	Hello fellas, I have an NOS Tach I plan on installing on my 68 Road Runner. Will this work with the Mopar electronic ignition and orange ECU? I have heard conflicting answers. Any feedback greatly appreciated! Harry Harry 1968 Road Runner 1975 Scamp

Re: 1968-70 B Body Square Tach [Re: roadrunnerh] #2512074 06/23/18 10:20 AM 06/23/18 10:20 AM
Joined: May 2008 Posts: 5,399 Aurora, Colorado 451Mopar master
451Mopar master Joined: May 2008 Posts: 5,399 Aurora, Colorado	It will work with that setup, where the "TACH" input connects to the negative side of the ignition coil. The problem is with the"TACH" outputs of CD type Ignition boxes like the MSD where you can't connect to the coil because of how those boxes operate the ignition coil.

Re: 1968-70 B Body Square Tach [Re: roadrunnerh] #2512807 06/24/18 11:26 PM 06/24/18 11:26 PM
Joined: Aug 2008 Posts: 76 Pittsburgh, PA R roadrunnerh OP member
roadrunnerh OP member R Joined: Aug 2008 Posts: 76 Pittsburgh, PA	Thank You! Harry 1968 Road Runner 1975 Scamp

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