Battery Drain Help Needed - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 12-17-2012, 07:58 PM Thread Starter
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Battery Drain Help Needed

So in my quest to track down what is draining my batteries, I discovered that there is a significant draw coming for the two wires connected to the solenoid on the fender going to the starter. The way I discovered that was by having a test light inline between the positive cable going to the battery and positive battery post, I started pulling fuses but the light was still glowing and when I finally disconnected the cables going to the solenoid, the light stopped glowing. What is the problem, the starter or the solenoid? FYI, the starter is about 6 months old, it is a wannabe Donzo.
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post #2 of 3 Old 12-17-2012, 09:14 PM
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Solenoid sounds like it is leaking voltage. Did you check voltage on it? A test light is handy but an actual reading in volts and/or amps will help to diagnose just how big the draw is.


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post #3 of 3 Old 12-18-2012, 12:10 AM
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Are you sure it's the wires going to the starter? The solenoid on the fender does send power to the starter relay but Ford also uses it as a junction to connect everything else. To prove what it is, one lug will have multiple wires on it, pull one at a time off till you can prove it's the starter rather than something else. That's not to say the relay could be the issue but there are many other things that could also cause the issue.

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