[DeTomaso] GM Alternator

[Rob Dumoulin]

Here are my notes from when I wrote it up.

To convert your 3-wire to a 1-wire alternator and have the new alternator
configured to control charging light in the dash, get a Delco CS-130
alternator modified by a local alternator shop as follows:


   - Have the shop measure the offset of your old alternator and install the
   correct single-groove pulley.
   - Modify the internal voltage regulator of the alternator to be a D411
   model and hook the internal regulator terminal L to have an external port.
   -  Inspect your existing voltage regulator and notice the terminal
   labeled i.
   - Unplug the voltage regulator connector and splice the “I” terminal wire
   to the new alternator port just created.
   - Double-wrap all connectors on the old harness securely with electrical
   tape except for the large black wire which will be your charge wire to your
   ammeter.

Hope this helps

Rob

On Sun, Jul 31, 2011 at 7:24 AM, Will DeMelo <wdemelo at cogeco.ca> wrote:

> Is anyone using a GM alternator with an internal regulator? If so, do you
> have 1 wire going from the existing 4 pin regulator plug to the "field" tab
> on the alternator? Is your "gen" light working properly?
>
> Any details appreciated.
>
> Will
>
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-- 
Rob DuMoulin
904.476.8744
rob at dumoulins.net