2003 Mazda Protege5
All connections are at the ECM, which is located in the passenger side footwell, under the carpeting, and under a metal panel.
Here are the pins I used (and also note the wire colors; depending on the vehicle options (with or without ABS, AT/MT, etc.) you may see a different color wire for VSS, but I think the location should be the same.
|Pin Number||Color (Main/Stripe)||Description|
VSS pulses/mile: 8203