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Old 07-11-2007, 04:24 PM
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71 spider alt wiring?

Its been 6 mos since the engine came out, lost the diagram. I have a Bosch alternator. For wires I have black, brown, green red and red from the battery. on the alt I have from the top going cw B+, DF, ?, and D+. From the wiring diagram I can figure the black (DF) and the green(D+).
Another query, perhaps for another time is the SPICA wiring which had been setup for the 69 pump, and now with a correct 71 pump I have a ponder.
Thanks and
Cheers,
Sam
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1971 Alfa Spider
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Old 07-11-2007, 04:28 PM
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this should help you out......http://www.alfabb.com/bb/forums/show...harging&page=2
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Currently:
'67 Duetto
'69 Euro 1750 GTV
'91 164L (my son's)

Previously:
'76 Alfasud Ti/'75 GT Junior/'87 Alfa 33
'91 Alfa 75/'95 Alfa 164/'79 Alfa Spider
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Old 07-12-2007, 09:32 AM
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So from all that -brown goes to D-, which could be my '?" connection. B+ is mentioned regarding a generator, but not Alternator. I'll get a photo, maybe some can check it against a 71 1750. The Bosch Alt is original right? And the modular plug Regulator also?
Cheers,
Sam
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Sam C.
1971 Alfa Spider
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Old 07-12-2007, 10:01 AM
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Quote:
Originally Posted by Peter View Post
Looks like an excellant printout for future ref. - Thanx
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Loud pipes save lives.
Ride hard or stay home - but, then again, the Alfa stays garaged when it rains.

1973 GTV - bought 3/06 (intend to keep forever)
1969 GTV, #AR1530021 - sold 10/72 (guess didn't intend to keep forever)
Current project: '69 Corvette bought in '73, DD '73 - '80, in storage 1989-2002, now apart (#1 on the Bucket list)
Last finished project: '75 Honda 750 bought new, DD '75 - '79 - in storage 26 years (1984 - 6/09) - an EZ resto
Favorite weapon: Browning A-Bolt .300 WM with 200 grain handloaded Noslers & a Leopold 2x7 or my Benjamin 312 with open sights.
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Old 07-12-2007, 10:14 AM
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Quote:
Originally Posted by ccg498 View Post
So from all that -brown goes to D-, which could be my '?" connection. B+ is mentioned regarding a generator, but not Alternator. I'll get a photo, maybe some can check it against a 71 1750. The Bosch Alt is original right? And the modular plug Regulator also?
Cheers,
Sam
you have an Alternator in your '71, and yes, it should be a Bosch. I attached a wiring diagram for a 72-73 Spider, bc that's what I have available. I think yours is probably the same as far as your charging system goes. It is actually pretty simple to figure out, unless some PO made some modifications Although I realize I should not speak for him, you can pm Papajam, as per his sticky he'll send you a correct diagram if you agree to make a donation to the AlfaBB
Attached Images
File Type: pdf 11502 2000 Spider 1972-73.pdf (68.4 KB, 25 views)
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Peter

Currently:
'67 Duetto
'69 Euro 1750 GTV
'91 164L (my son's)

Previously:
'76 Alfasud Ti/'75 GT Junior/'87 Alfa 33
'91 Alfa 75/'95 Alfa 164/'79 Alfa Spider
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