Scott replied (in part)
>> MGB's got alternators in 71; that weird two plug one. In 72 they went to
>> the single plug 16ACR unit. That 71 alt you have is unique, you won't get
>> another one. Many years ago, Lucas included a late model plug with every
>> alternator for the purpose of retrofitting cars like yours. They no longer
>> do this. When you need to convert, you'll have to roll your own plug.
>
>Oh, joy. What's the average lifespan of an alternator, anyway? And
>what does it take to rebuild one? (Though I suppose tracing the outputs
>of the alternator to the various wires wouldn't be all that difficult.)
As John Ross pointed out, I screwed up. I mixed a whole bunch of Spridget
lore into my alternator memories. The correct info is:
later (most, maybe all US) 68 B's had a Lucas external regulated alt.
69-71 B's had an internal regulated alt with two plugs. One three hole,
one two hole.
72-75 B's used a alternator with a single three hole plug.
75-> used varying themes on the single plug alt; some with 2 big and one
little, some with one big and two littles.
The two plug alt really has no more external connections than the single
plug units. They just had a few external jumpers. Look at the plugs, wires
come out, loop, and go right back in. To convert to the later style only
requires cutting the existing plugs off, and hooking the two wires coming
from the car harness to the appropriate terminals.
Randy
randy@taylor.wyvern.com
|