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J ROK
11-21-2009, 12:43 PM
I have an autometer digital tach, and I can't get it too read correctly. Where is the best place to get rpm signal?
1990 chassis
s13sr
Thanks

Propaganda
11-21-2009, 01:06 PM
I'm pretty sure it's the Y/R wire on the dash connector.

army240
11-21-2009, 01:09 PM
Pin 3 of the ECU, so yes, Yel/Red wire!

JDGrimReaper666
11-21-2009, 02:08 PM
Is it the same thing for the KA?

army240
11-21-2009, 02:23 PM
ECU pin 2 for KA24DE, YEL/RED wire