[marlon the great]

what color of wire to tap on the ECU to install A/F meter (autometer) 90-93 NA

TIA

 

[Babalouie]

Probably the best place to look is at Apexi, they have wiring diagrams included in their instructions for the SAFC, which uses the AFM:

http://www.apexi-usa.com/pdfWiring/1.pdf