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Alternator Identification

 
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rrobdaw

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Since: Jun 08, 2004
Posts: 2



(Msg. 1) Posted: Wed Jun 09, 2004 2:08 am
Post subject: Alternator Identification
Archived from groups: rec>autos>makers>vw>aircooled (more info?)

Hi , I have a 1970 VW Ghia , rebuilt the motor ( upgraded a ton D.P.Kads
etc.}.Inserted motor and ready to wire but questioning the alternator type
( switched from Gen. to Alt.).I bought it thru ebay as a Motorola
internally regulated unit . I will describe the terminals on the
Alternator...on the top of Alternator is a white square plate with only 3
screws on the on 3 corners , 4th corner is blank (size of square is about
1 3/4" x1 3/4" ).In the center of the white square (but still part of that
assembly ) is a white circular section (rise about 1/2 - 3/4") and about
an inch in diameter , with three male spade (flat) type electrical
connectors ...each connector has a designation (1) says D- , (2) says D+ ,
(3) says DF . Then the only other connector on the Alt. is to the right of
the white sguare , it is a fairly small stud with designation..B+
.............am I internally or externally regulated ?......am I Motorola
or Bosch ?...do you know any part #'s or suggestions if I have to buy an
external Volt. regulator to make sure I get the right one? I think I can
get the wiring handled if I can figure out exactly which Alt. I have .
Speedy Jim has a most excellent web site on wiring and tons of vw tech
help ...Hey , I know this post is huge...very sorry ...my car is ready to
fire up and I'm stuck .Thank-You for your time , VonFultz (Robert)

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vdub1

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Since: Jun 10, 2004
Posts: 1



(Msg. 2) Posted: Thu Jun 10, 2004 6:38 am
Post subject: Re: Alternator Identification [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Tue, 08 Jun 2004 21:08:54 -0400, "VonFultz"
wrote:

 >Hi , I have a 1970 VW Ghia , rebuilt the motor ( upgraded a ton D.P.Kads
 >etc.}.Inserted motor and ready to wire but questioning the alternator type
 >( switched from Gen. to Alt.).I bought it thru ebay as a Motorola
 >internally regulated unit . I will describe the terminals on the
 >Alternator...on the top of Alternator is a white square plate with only 3
 >screws on the on 3 corners , 4th corner is blank (size of square is about
 >1 3/4" x1 3/4" ).In the center of the white square (but still part of that
 >assembly ) is a white circular section (rise about 1/2 - 3/4") and about
 >an inch in diameter , with three male spade (flat) type electrical
 >connectors ...each connector has a designation (1) says D- , (2) says D+ ,
 >(3) says DF . Then the only other connector on the Alt. is to the right of
 >the white sguare , it is a fairly small stud with designation..B+
 >............am I internally or externally regulated ?......am I Motorola
 >or Bosch ?...do you know any part #'s or suggestions if I have to buy an
 >external Volt. regulator to make sure I get the right one? I think I can
 >get the wiring handled if I can figure out exactly which Alt. I have .
 >Speedy Jim has a most excellent web site on wiring and tons of vw tech
 >help ...Hey , I know this post is huge...very sorry ...my car is ready to
 >fire up and I'm stuck .Thank-You for your time , VonFultz (Robert)


My guess (Speedy Jim correct me if I'm wrong) is that you have an
externally regulated Motorola alternator part #043 903 023.
The part number should be visible on the back (back is back) of the
alternator.

If you can confirm that part #, then you'll need to find yourself an
external Motorola regulator (part # 043 903 803A). These are the ones
that are mounted under the back seat (driver's side) and are about the
size and shape of a small pack of cigarettes. The regulators are
becoming very difficult to find as I believe this alternator /
regulator pair was used only a few years ('73-'74 ?) in North America.

I believe Speedy Jim's page has the wiring information you'll need.

Good Luck.

MZ

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rrobdaw

External


Since: Jun 08, 2004
Posts: 2



(Msg. 3) Posted: Thu Jun 17, 2004 8:17 am
Post subject: Re: Alternator Identification [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Thank-You MZ your info is helpful , I will write down the part #'s you gave
and put it in a file I know have for this alternator set up . I Figured
out what exactly the alternator is (Speedy helped me exactly identify it
etc....he was a HUGE help I was stuck). It's operating now and I have
about 5 different voltage regulators on file which a Bosch direct
replacements . I got mine GP Sorenson from Advanced Auto cause they had it
the next AM $30.00...just bought a Napa Echlin on ebay for $9.99 , $5.00
ship ..spare anyways Thank-You so much for your input , VonFultz
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