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Jumping fuse for main f pump 1983-84

posted by  transit wind on  Tue Jan 22 13:54 CST 2013
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last visit: Fri Aug 15 22:40 CST 2014
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Not sure if I have this right. Jumping fuses on the 83-84 fuse panel is fuse5 for in-tank pump but is fuse 7 the main? I'm not able to get it to run. Thanks








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    Jumping fuse for main f pump 1983-84

    uid 18083's pic
    posted by  lucid on  Tue Jan 22 14:08 CST 2013
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    last visit: Fri Oct 24 12:31 CST 2014
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    The 25 amp blade fuse under the hood is the Main FI fuse. #5 is the tank pump.

    Any fuse 6—10 is always hot on the left side as a source of +12V to the jumper wire.

    +12V to fuse 5 output (right side terminal) tests the Tank pump.

    +12V to fuse 5 input goes directly to MAIN pump. Pull fuse 5 to isolate for testing only the Main.


    --
    Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.








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      Jumping fuse for main f pump 1983-84

      posted by  transit wind on  Wed Jan 23 00:41 CST 2013
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      last visit: Fri Aug 15 22:40 CST 2014
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      beautiful. precisely what I needed. many thanks. Last thing I want to do is get under the car with temps in the teens if it turns out to be something else. I'm going to finally start a cheat sheet and make myself a small pamphlet for the glove box. I should know this by now but it seems to elude my memory in times of trouble. Thanks again Bruce.







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