Andy wrote:
>I just checked my Lucas Master Catalogue 400E (1945-60) and find the
> >following numbers for "control box:":
>
>37283B/D (for Herald 1959-60; same as TR3/4 listing above from the >1962-71
>catalogue)
>37283D (for TR3A 1960; same as above)
>37290D (for TR3A "Later" 1960; compare to above)
>
>I suspect this pretty much confirms my theory that the two units -- >37283
>and 37290 -- are completely interchangeable. Note that both are >the
>"Lucar" connector type as opposed to earlier TR2/3's, which used >the
>screw-terminal regulator. Indeed, both numbers were used on a >fairly wide
>range of British cars of the period. Comparing the >breakdown of "subparts"
>of each, it appears that the only difference >really is in the
>"resistances": 37283A/B and 37290 A/B= 63 ohms; and >37283D and 37290D/E =
>60 ohms.
Andy,
Thank you for your reply and to everyone else who replied. The boxes you
list do seem interchangable. I searched the net and found a Lucas catalogue
that lists all the NEW part numbers for Lucas alternators/generators,
starters and regulators. The PDF catalogue can be downloaded at:
www.delphidiesel.com/CatNo%20XCA160C.pdf
It lists 37283 as corresponding to new number NCB 100 which is pictured with
screw connectors. 37290 is listed as corresponding to NCB 101 which seems
similar to NCB 100, but with spade connectors. No mention of resistances or
other subparts in that catalogue.
Many thanks,
Michael
63' TR4 CT23641 O
Sydney, Australia
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