alternator question

I have a 74 super, with a 71 engine, just got a new main harness,, but the
alternator connection (on the new (stock) harness)is a round 3 prong
conector, my engine has a flat type box on top of the alternator,, how do I
convert it to work?? what connection is what? I have no idea!!!! any help
appreciated!!!

AXL wrote:
> I have a 74 super, with a 71 engine, just got a new main harness,, but the
> alternator connection (on the new (stock) harness)is a round 3 prong
> conector, my engine has a flat type box on top of the alternator,, how do I
> convert it to work?? what connection is what? I have no idea!!!! any help
> appreciated!!!

The round 3-prong connector is correct for the '74 model.
'74 used an external regulator, mounted under the back seat.

Your '71 engine has (apparently) a newer type alternator which has
an "internal" regulator. It should have one big stud (B+)
and one small push-on connector (D+).

The big fat Red/Wh wire goes to the B+ stud.

Now, you need a single wire to go to D+.
Let's choose to use the skinny Red wire in the 3-prong connector.

Now, go under the back seat on the driver's side.
If there is a regulator there, take it out.
In any event, the harness should have skinny Red, Green, and Brown wires
for the regulator connector.
There should *also* be a skinny Blue wire in the harness leading to
up front.
Splice the Red wire to the Blue wire.

Done

You can see this schematically if you go to my web site and
look for: "Wiring diagram for Type I cars with alternator."

Speedy Jim
http://www.nls.net/mp/volks/