>None have +12V (unless someone has seen one) > >A - GND >B - DIAG >D -160 baud for CCC engines >E - 160 baud for FI engine >M - 8192 baud for FI engines > >Some have TCC, fuel pump, air injection, etc taps on other pins. All Holden ALDL connectors have +12V on them. Ross Myers