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Bus Discussion => Bus Topics ( click here for quick start! ) => Topic started by: wagwar on June 26, 2014, 05:44:22 PM

Title: Delco 50DN Alternator and MCI MC9
Post by: wagwar on June 26, 2014, 05:44:22 PM
Does anyone know what/where the negative (ground) connection is on a Delco 50 DN on a DD 6V92T in an '81 MCI MC9? Is it grounded through the engine and frame? If so, is a ground strap advisable?

I'm installing a Sterling advanced regulator and it calls for connections to the alternator ground connection.

I've searched the web, but I have found the Field, Batt + and R1 connections on the 50DN, but no negative?

Thanks in advance.
Title: Re: Delco 50DN Alternator and MCI MC9
Post by: bevans6 on June 26, 2014, 05:48:06 PM
Grounded through the chassis - it's bolted to ground, basically.  You can use any ground point that's handy on the engine.

Brian
Title: Re: Delco 50DN Alternator and MCI MC9
Post by: gus on June 26, 2014, 06:09:43 PM
The VR has a ground post but not the alt.
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