Question about 1981 Ford F 150

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Electrical Problem for 1979 F-150

There is a black box in the electrical path I am trying to troubleshoot. I have a 1979 F-150 which won't start. Tested/replaced the ignition, starter, solenoid and it still won't start. Any suggestions where to check next? I am thinking it's the little black box (pre-computerized box?).

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  • deolini Oct 09, 2008

    I do have power when cranking the engine, but it doesn't make a sound and doesn't sound like its trying to crank over.

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Have you pulled a plug out to see if its firing when you try to start it?Has the ignition got a 12v power supply when cranking the engine not just when the ignition is turned on?If it has those requirements it should at least try to start if the rest of the engine and timing is ok

Posted on Oct 08, 2008

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