okay so I think i found one of the problems.
When we put the the big cable (BAT point on altenator) to the starter, and turn the battery "cut off switch" ON, the big cable makes a short (it smokes and becomes very hot).
I think the problem is that the altenator that we got from our friend is a positive ground altenator.
4 reasons why i think this:1. There is a sticker on the altenator that says that the altenator is for a Austin Healey 3000. I know for a fact that for 30 years almost all british sports cars were positive grounded instead of negative. We also have a MG B from the same period (1964) which is also positive grounded.
2. The altenator got rebuild. When it got rebuilded the BAT post on the altenator was switched (see drawing and pictures). Also I noticed that there was a red cable in the altenator case. For what i found on the internet these are part of some rebuild kits.
3. Delco Si-10 altenators can be rebuild from a negative grounded altenator to a positive grounded altenator. There are several kits you can buy online to do this.
4. Not a really good reason, but it is a reason

. The Guy we got the altenator first said he didn't have the same type of altenator. When we looked between his spare parts (which is very organized and sorted on british parts and american parts) the altenator layed between the british parts. As i said, most of the british cars were positive grounded.
Now my question is: Is it possible that i get a short and the altenator doesn't work because the altenator is positive grounded?
It's not really a problem if the altenator is positive grounded. We made a deal with our friend that we got this altenator and the other one would be rebuild. So i could get the original altenator back!
Ps. Don't mind the connection to the starter. It's just temporarly and when the altenator works, i will put a better cable to it. It's just so that we can remove it easily (which saved us a burned vehicle because we could remove the cable quick when it became hot)
