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Yea, not a big fan of the MMDC. Too many eggs in one basket...

Did you replace your LBCD at some point? been involved in so many problems, I am forgetting who had what problem:) As it takes a little while for the alternator field to collapse when the alt has a major load change, The LBCD has a large capacitor bank in it to absorb the alternator energy when...

Hey thats a cool drawing, my info was for the previous designs(1506,1509,1511)that were configured with the traditional ground path control and no data buss interface…

The way I understand it, that only makes sense if they put a resistor in the field circuit and the short somehow bypassed that resistor, but then the regulator should compensate for it. As I understand it F+ is already at B+, and the F- side is fed to the regulator and pulsed to ground to...

Yep, straight 24v alt and a 100A bussman or Vanner battery equalizer/converter. All used commercially and readily available thru multiple sources…. Or even with a 24v only mil alt(more available and more reasonably priced). Which may even bolt right into the existing bracket…

It is not so much arbitrary enforcement but knowledge. More rural office used to registering more industrial vehicles and they understand how to do it. Have heard same thing out of WA. One office says cant do it, rural office says sure did 3 like it last month…

If I recall if the exc power is not present from K11, you get no led’s on the reg…

sounds like a good idea, but in the end there is only one system that generates power on the truck, and you have swapped half of it… have you measured for AC ripple on the DC outputs?

Well lights, wipers TS and horn all go thru the column switch…

I think there are 2 lights, one is battery disconnect and the other is alt or charge failure?

Do all the dash lights work when you do a lamp test? If the LBCD was detecting an alternator overload(it monitors the field circuit on the regulator to determine load) and disconnecting, it will light a dash light. The alt should be able to deal with a disconnect without locking out in...