66 GMC Long to Short LS Swap

[Duncan K]

Originally Posted by 1enick72

Dunkan, do you have a link by chance on where you got the information, looks like you have printed pages for pinouts as well. I've done a number of searches over there and just find people that are talking about doing a swap.

Head over and check out LT1swap.com, all the info you need to re-work a harness is there including detailed pin outs for the ecm plugs.

This series of videos on YouTube is really helpful as well
https://www.youtube.com/watch?v=RHIVd_SkB9Y&t=710s