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Thread: Best way to test a coil

  1. #1
    Senior Member MoparBoy72's Avatar
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    Jan 2006
    Naperville, IL

    Best way to test a coil

    I have come across a number of coils that I would like to restore and keep for a spare in the travel kit. My car is in pieces at the moment; is there an easy way to check coils or is the best way to run them for a while?

    '72 911E
    '82 931, '92 968, '93 968
    S Reg #1074

  2. #2
    spray with brake cleaner do not get in your eyes

    primary resistance 0.4-0.6 ohms
    secondary resistance 650-790 ohms

    15 or "A" is primary circuit
    4 is secondary circuit

    Everything I know about electrical things I learned from Warren Hall (RIP)
    1966 911 #304065 Irischgruen

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