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That is about right on the diagram rizzo but the connections on the real truck are not quite that clean. :D

Only if they are connected in parallel. aua I think $100 is the going rate and much better than getting a new alt.

The manual does show that the isolated ground as charging both batteries but is also excludes one of the connections for alt. It only shows four connections when there is 5 connections. Maybe I am arguing semantics here. The connections for the batteries are direct series while the left alt...

It is complicated but the isolated ground connects to the negative side of the rear battery which connects to the pos side of the system that gets output from the alt not using the isolated ground. The current does not run from the one alt though the other to provide 28 volts to charge both...

They are not really run in series. One charges the front battery and the other charges the back battery. The batteries run in series provides the 24 volts but the alts are not run in series.

Disregard the clocking part. This can't be done with the alt pictured above. It may be the 100 amp case. The smaller cases can be reclocked.

Should be standard GM 100 amp alt. Most of the like amp models are the same except for the "clock position". In other words, look at the above pics. See the side the plug goes into. It can be changed around to face any of the other three ways. It is pretty easy to do but I am pretty sure you...

They are both the same but you can use a none isolated ground in place of one of them. I think the Driver's side can be the civy non isolated ground alt.