Electric Ratio Adapter

[botlfed1]

has anyone hooked up a Abbott ERA to a 99 gt? im not sure where the wires go, and also there are like 12 switches that have to be flipped certain ways depending on how far off your mileage is, i have 4.10's has anyone already done this that can tell me which way to flip the switches so i can save some time on installation? john

 

[Kilgore Trout]

Wiring Diagram of Electronic Ratio Adapter:
Electronic Ratio Adapter (Red Wire) + 12 volts, ignition on
(Black Wire) Ground
(White Wire) Signal in from the speed sensor
(Blue Wire) Signal out to the ECM / Speedometer

For dip switch settings cntact the vendor:
http://www.atrol.com/era.htm