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D-10 s III

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Dusty MI View Drop Down
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Joined: 13 Sep 2009
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    Posted: 20 Sep 2010 at 1:43pm
My D-10 has a 12 volt system on it, the generator was changed to a 1 wire  alternator with a 3 pole ignition switch. The switch was giving problems so I changed it to a 2 pole switch and added a diode. It bleeds about 2.25 volts, draining about .04 volts a day from the battery, Why?

Dusty 
917 H, '48 G, '65 D-10 series III "Allis Express"
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pineyjd View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pineyjd Quote  Post ReplyReply Direct Link To This Post Posted: 21 Sep 2010 at 3:25am
Are your gauges shutting off
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Dusty MI View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dusty MI Quote  Post ReplyReply Direct Link To This Post Posted: 21 Sep 2010 at 6:35am
Yes. The diode is part of the plug that plugs the wire into the alternator.  If I unplug it the 2.25 volt drain goes away. Or if I pull the alternator wire off the ignition switch the 2.25 volt drain stops.

Dusty 
917 H, '48 G, '65 D-10 series III "Allis Express"
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Dusty MI View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dusty MI Quote  Post ReplyReply Direct Link To This Post Posted: 21 Sep 2010 at 7:06am
I took my meter and the new harness back in to where I got it. They got another one off the shelf. They both tested the same. I went to an auto parts and got another alternator, put it on, still had the drain.

I took the alternator back.

Dusty
917 H, '48 G, '65 D-10 series III "Allis Express"
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