The wires to the MAF on my 95 c220 shorted out and I am trying to repair the wiring harness, I have a few diagrams and just bought a new MAF however the diagrams give me pin number on the PCM which theyre suppposed to be connected at but on the PCM there is no reference to what pin numbers they are supposed to be, I saw a youtube video that says pin 1 is on the bottom left but that's it. Does anybosy know how the PCM pins are numbered? Thanks