Adding an External Voltage Regulator to First Gen Cummins

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[@nickkunat1962]

so the stock power cable goes back on to the alternator?

[@GambisRestorations]

You never take it off. You only take off the part that has the 4 post which goes back to the PCM.

[@nickkunat1962]

@@GambisRestorations thank you for responding :D

[@nickkunat1962]

@@GambisRestorations one more question theres a ground wire to the engine that goes on the alternator right?

[@FarNorth12v]

Did you cut the wire from the pcm to the regulator?

[@GambisRestorations]

I’m confused on what you mean by that. The regulator is inside the computer. I removed the plug that ran from the computer to the alt.

[@FarNorth12v]

@@GambisRestorations I get that. I thought there was a wire that ran from the pcm to the regulator. I might be given info.
I did this yesterday and have a dead battery again.. did you run a ground wire from the alt to the regulator?

[@GambisRestorations]

@@FarNorth12v yes, that’s what is connected to the green wire from the regulator. Green goes to ground terminal of the alt.

[@FarNorth12v]

@@GambisRestorations hm I ran my green to ground and my spliced blue and fuseable link to the top post. Didn’t seem to work

[@FarNorth12v]

Not fuseable link, the 12v key switch**