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Yep 100% agree. I did not know about this issue back when I did this project on my first M1010. I will be upgrading cables on my current M1010. Bought 2/0 gauge wire, which is more than acceptable for the load and length. Good reminder for those going to 12v systems.

Adding my wiring diagram that I used on this M1010 build. This might not fit your needs if you do your setup different than I did mine but I was asked about it and I cannot paste it into a PM. This is a single alt, dual batteries with a isolator between the batteries but would be connected...

No, completely different wiring for the charging system. M1010's use the DUVAC system where 1008/1009's do not.

:lost: :?::?::?::?:

Funny you should ask, as I had the same question when I called and talk to the guy (Rich). A single rectifier has 6 diodes and a dual has 12 diodes. On larger output alts, dual is better as it puts less current thru each individual diode as it splits the load over 12 versus 6. Made sense to...

Okay, thanks for the info. I was afraid GM did something like that. I had found the AC Delco number and was just hoping I found another (and possibly better) solution. AC's it is.

Thanks for the props guys. For my needs/use, 12 volts just made sense. Now here's quick question, I am going to buy new starter bolts and found the AC Delco made ones but a quick search also found that ARP makes starter bolts. The ARP ones are way stronger (and I would trust being very high...

Hummm... good point. They are heavily stressed bolts, I think I will get a new set and swap them. Luckily that is easy to do, one at a time. Thanks for the thought. Kind of new to the diesel world and in the gas engine world, I have never had an issue with starter bolts but I'm also not...

I got it from Quality Power Leece Neville 4800 Series Alternators and it's the Leece Neville 4800-4900 series type alts. They offer a number of option. I went with a 200 amp, dual rectifier, ignition triggered setup, which is the same as Leece Neville 4860JB if I recall. I checked on brand...

Actually that is part of my future plans. I was looking at the idea of one alt/battery bank to run the engine/cab portion and another alt/battery bank to run the house systems. I would have a method of connecting the two systems, whether I need addition amps from the alts or starting power...

So in my other thread regarding checking the 24 volt system and the DUVAC, I found the upper alternator was bad and only putting out 10-11 volts and that assumes the DUVAC is actually working, which there is really no test for those. For my use, I have zero need for any 24 volt system and the...