ECM DATA LINK CABLE

[rapyt]

I need one to transfer odometer milage from old to new speedometer plug ends would be 4 male to 12 female. thanks

 

[Roadking-1960]

https://www.bmdiag.co.uk/harley-davidson-4-pin-obd-diagnostic-cable-adapter
You may need another adapter 16 to 12 , difficult to tell from the pic.

 

[rapyt]

thanks I got excited for a sec.But that one is a 16 pin I need a 12 pin and I am also carbureted.