aftermarket tach

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08-05-2009, 12:11 AM

dragracing91lx

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aftermarket tach

whats needed to hook up an autometer tach to my 2001 formula???? thanks

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08-05-2009, 07:55 AM

03 BUSA

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Nothing, just have to tie into the PCM signal for the tach.

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08-05-2009, 08:29 AM

BlackScreaminMachine

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Which I beleive is a white wire. I wish I had my instruction booklet for my shift light....

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08-05-2009, 11:49 AM

spaulding

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gotta just run it to the tach output on the pcm white wire and clip one or 2 of the loops on the tach to run in 4cyl modeforget which it was it will tell u on the autometer website under tech support for a ls1

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