Wiring 641

[Old 49]

Hello,
I got the 641 running but I beleve it is time for a valve job still skipping.Putputput out the back. I'm looking for a wiring diagram for a 12Volt 3 wire system.
I have got a mess.I hope someone can help.

 

[john in la]

A 641 with a 12 volt delco 10si alternator using the 3 wire setup would use this diagram.
wiring diagram

 

['Old 49]

Thanks so much time to get out the cutters and do it right.