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1968 Plymouth Tach wiring #2679506
07/20/19 05:56 PM
07/20/19 05:56 PM
Joined: May 2006
Posts: 269
Omaha
R
road Offline OP
enthusiast
road  Offline OP
enthusiast
R

Joined: May 2006
Posts: 269
Omaha
Have my tach installed on my 68 GTX based on FCM.
Need to get it hooked up to a switched source from the ignition because it is bleeding battery.
It is a factory tach and it works just fine except for its thirst.
You can reference an option to tie into from the wiring diagrams.
Thanks

Re: 1968 Plymouth Tach wiring [Re: road] #2679523
07/20/19 07:24 PM
07/20/19 07:24 PM
Joined: Jan 2003
Posts: 32,882
Grand Prairie,Texas
stumpy Offline
I Win
stumpy  Offline
I Win

Joined: Jan 2003
Posts: 32,882
Grand Prairie,Texas
Take your test light and hit the fuse block to see what is hot with the key on and goes dead with the key off. That is the source you want.







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