Fitting a blow off valve by Robert Pina

A/F Gauge Installation

By Robert Pina

Here is a quick reference of what wires to use for A/F Gauge Installation.

ST165:

O2 sensor - Blue Wire

ECU

Diagnostic Port - Splice into OX wire under diagnostic port

ST185:

O2 sensor - Blue Wire

ECU - White Wire

Diagnostic Port - Splice into OX wire under diagnostic port

ST205:

O2 sensor - ???? Wire

ECU

Diagnostic Port - Splice into OX wire under diagnostic port