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Thread: How to test relay

  1. 10-07-2016, 08:45 AM #1
    Slcarr
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    How to test relay

    I have a MFI speed transducer or relay injection pump part number. 901.615.111.00 that I would like to know how to test before I sell it. The spade connectors are numbered and would like to know if I can use a OHM meter to test continuity or any other way to bench test it. Thank you, Steve
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  2. 10-07-2016, 08:48 AM #2
    VintageExcellen
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    I think there is something in one of the shop manuals that covers testing these things. On a MFI car you know when they are not working as the car will backfire on deceleration.

    These are rebuldable, contact Loren of Systems Consulting in LA and he can rebuild them for around $120. That doesn't help you sell it but gets the info out there.
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  3. 10-07-2016, 10:29 AM #3
    Slcarr
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    Thank you Vintage Excellance. Maybe lost a sale but that's ok. Steve
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  4. 10-07-2016, 08:33 PM #4
    Flieger
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    there's a thread on Pelican that I used to fix mine. you need something to generate the distributor signal like a function generator.
    1971 911S, 2.7RS spec MFI engine, suspension mods, lightened
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