I have the yellow speedometer buffer boxes that input the feed from the transmission and output 2000 and 4000 ppm (pulses per mile). Why monkey around with the fiero buffer board when you can use this for a painless and professional installation. I have a yellow buffer box like these with an AR electronic cruise control and it is Much smoother than the factory fiero vacuum cruise control (i can also supply the electronic cruise control unit for additional cost). You can also use these boxes to feed aftermarket speedometers that need a 4000 ppm signal (almost nothing but a fiero uses 2000 ppm).
Complete with wiring harness pigtail (as shown) and i'll label the wires if you want me to. $35 each + shipping
[This message has been edited by PaulJK (edited 06-15-2013).]
. i guess you didn't need me to label the wires 
