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Help with battery drain on a 1965 Ford Fairlane. (The site made me input a car)

(1990 Ford Bronco)
in Eagle, ID on January 10, 2015
When the old ford is turned off, the battery drains. I put an amp meter in series and can see the drain. (I think it was 150-200ma.) I then break the circuit by taking the amp meter and removing it from the battery. I do this for 1 second and then reconnect the wires to put the amp meter back in series. The drain is gone! I then turn the ignition on and off, and the drain is back. It continues to drain until the circuit is broken.

I then found that the batter drain quits if I leave all those wires connected, but disconnect the positive wire to the alternator for just a moment. Again, I turn the ignition back on and off and the drain starts all over again.

The car appears to work just fine other than the drain. The alternator is charging the battery. Is the regulator fried?

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Displaying 2 answers & 2 comments
Popular Answer
on January 10, 2015
Unplug the voltage regulator and try it!..
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on May 26, 2015
The issue was the regulator. Thank you.
on May 26, 2015
Cool.. Glad to help out.. Nice old cars, I remember working on those. I guess the mechanics nowadays never seen a real 'voltage regulator' ..Been doing it a pretty good while .. Glad to see folks fixing' em up again!
on May 23, 2015
What I did to One of three is pulled the key, I noticed if I left the key in the ignition my battery would die but when I took it out everytime after shut off it would be fine but 5 mins of leaving the key bye bye battery juice.
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