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Thread: Identifying terminals on voltage regulator

  1. #1
    Join Date
    Apr 2010
    Posts
    148

    Default Identifying terminals on voltage regulator

    I've got a copy of the Lucas electrical troubleshooting guide and I'm trying to test my voltage regulator. The guide and most websites refer to the D and F terminals, and the cover of my regulator has markings for A1, A, F, D, and E. But when I open it up, I see 8 different terminals. Which are F and D?

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    1970 Series IIA
    1964 Series IIA [sold]

  2. #2
    Join Date
    Jul 2020
    Location
    UK
    Posts
    300

    Default

    Reading from Left to right 1&2 are joined to A1, 2&4 joined to A , 5 is F, 6&7 joined to D and 8 is E . If you look at the wiring diagram you will see how these wires terminate.
    Where there are two Lucar blades to one post, it is designated as one terminal A1 or A etc

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