M4wd&Fabrications

Projects place => Tech => Topic started by: M4wdFab on June 21, 2021, 08:14:00 PM

Title: GM OBD port
Post by: M4wdFab on June 21, 2021, 08:14:00 PM
GM PCM BLUE connector ie 99-2000ish PCM:
pin1 black wire PCM ground
pin19 pink wire PCM IGN hot
Pin 58 green wire PCM OBD data


<add OBD pins>