can any one help I have bought a loom from a mate who had it laying around but he was unsure of what it was for 2wd or 4x4 I have a 2wd loom borrowed from my mates 2wd cossie so I can match it up but I have a wire in pin 12 n he dose not and I had a red wire in pin 2 n he dose not can anyone help ill added pics later

 

Pin 12 is for aircon and pin 2 is for lamba sensor,if there missing from your loom this would suggest it a 2wd loom

 

thanks for help fella