HELP! I need a rectifier (Diode) plate for my alternator
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| AndrewB |
02-14-2019 11:38 AM |
I believe the part numbers you are looking for are c4az-10373-a and c4az-10377-a. I bought mine from ebay. Looks like there are some available there now actually.
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| Tom Wells |
02-14-2019 11:39 AM |
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| Dan Case |
02-14-2019 11:57 AM |
If you know which diode(s) are bad, they can be replaced. If there is an old starter alternator repair shop around you they will probably have diodes. I replaced a single diode in our black car's alternator decades ago.
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| Mark IV |
02-14-2019 11:59 AM |
Quote:
Originally Posted by Tom Wells
(Post 1458215)
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Those are "2G" units and different from what Alf has. |
N to + are defect
I was today on a shop specialized on old cars electric.
He mentioned to me they can not be replaced one by one...
If yes it would be great. If not I‘ll search for the complet part.
The only option I‘ve at the moment is a new alternator for many $ as there are no spare parts abailable.
;(
If the numbers on the post from Andrew are correct I‘ll search for them.
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| Mark IV |
02-14-2019 02:29 PM |
Quote:
Originally Posted by ALF
(Post 1458222)
N to + are defect
I was today on a shop specialized on old cars electric.
He mentioned to me they can not be replaced one by one...
If yes it would be great. If not I‘ll search for the complet part.
The only option I‘ve at the moment is a new alternator for many $ as there are no spare parts abailable.
;(
If the numbers on the post from Andrew are correct I‘ll search for them.
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Let me look in the bin, I may have a good used plate. |
Quote:
Originally Posted by Mark IV
(Post 1458224)
Let me look in the bin, I may have a good used plate.
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Many thanks
I cross my fingers!!:) |
| Dan Case |
02-14-2019 02:57 PM |
The plates listed Feb 2, 1964 printing had C3SZ prefixes for + and - plates. The Aug 1, 1966 printing shows the C4AZ prefix numbers as service parts.
The C4AZ models are not all that uncommon on ebay®.
Diodes are not hard to replace but the 1964 Ford manuals is great to show and tell how.
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A little advise, be very careful with those brushes when you reassemble the alternator. They break easily if you don't retract them during assembly. Ask me how I know this!
Larry
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| cycleguy55 |
02-14-2019 07:09 PM |
Quote:
Originally Posted by Mark IV
(Post 1458217)
Those are "2G" units and different from what Alf has.
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Ford didn't start using 2G alternators until 1982. Those at the link appear to be variants of 1G alternators. |
Quote:
Originally Posted by Dan Case
(Post 1458227)
Diodes are not hard to replace but the 1964 Ford manuals is great to show and tell how.
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My Manual is somewhere between Los Angeles and Switzerland :)
For me the challenge will be to get the correct parts from the states as here in Switzerland they know about Porsche and VW and if you’re lucky Ford Mustangs. |
| Mark IV |
02-15-2019 01:26 AM |
Quote:
Originally Posted by cycleguy55
(Post 1458235)
Ford didn't start using 2G alternators until 1982. Those at the link appear to be variants of 1G alternators.
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You are correct, I mis-typed. However the new AMK units are really a "1G MK II" alternator as most parts will not interchange with the 63/64 round case, plug in type unit.
I do have new brushes for the early 1G if needed. |
Quote:
Originally Posted by Mark IV
(Post 1458224)
Let me look in the bin, I may have a good used plate.
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Hi Mark
I assume, as you mentioned the brushes, you did not find some diode plates in the bin? |
Quote:
Originally Posted by Mark IV
(Post 1458241)
I do have new brushes for the early 1G if needed.
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Are the brushes C3SZ10347B? |
| Mark IV |
02-15-2019 04:09 AM |
Quote:
Originally Posted by ALF
(Post 1458243)
Are the brushes C3SZ10347B?
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Yes, those are the brushes I have. And I do have some used diode plates but I will need to have them checked at the alternator shop. You already have a bad one, you don't need to pay to ship another bad one! |
Quote:
Originally Posted by Mark IV
(Post 1458244)
Yes, those are the brushes I have. And I do have some used diode plates but I will need to have them checked at the alternator shop. You already have a bad one, you don't need to pay to ship another bad one!
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Great!!:)
PM sent |
On ebay both got sold...
But i hope on them from Mark IV
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| CompClassics |
02-15-2019 01:16 PM |
When reassembling the back case do not forget the two mounting spacers that go on the mounting studs prior to assembly. Also there is a hole on the rear portion of the case to slip a pin into to hold the brushes away from the armature, pull the pin out after reassembly.
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