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D15 series 1 electrical

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Tracy Martin TN View Drop Down
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Joined: 11 Sep 2009
Location: Gallatin,TN
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tracy Martin TN Quote  Post ReplyReply Direct Link To This Post Topic: D15 series 1 electrical
    Posted: 30 Mar 2020 at 6:26pm
What would cause system to not charge battery if regulator and generator are working? Can a wire on or near amp gauge cause this? Thanks Tracy
No greater gift than healthy grandkids!
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Boss Man View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Boss Man Quote  Post ReplyReply Direct Link To This Post Posted: 30 Mar 2020 at 7:03pm
wire or bad amp gauge
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DSeries4 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DSeries4 Quote  Post ReplyReply Direct Link To This Post Posted: 30 Mar 2020 at 8:20pm
I have seen many old ammeters crap out.  Start there.  If not, have a good look at your wiring harness.
'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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MACK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 30 Mar 2020 at 9:03pm
How do you know generator and regulatory are working?           MACK
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TimNearFortWorth View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote TimNearFortWorth Quote  Post ReplyReply Direct Link To This Post Posted: 31 Mar 2020 at 7:39am
Tracy, I had a 15II that had me stumped.
Re-worked gennie, all new good quality gauges and even changed out the VR as new wiring harness to boot and I wanted to start fresh.
Would run a new battery down with normal use and had to keep charging it.
If you had the battery out of it since or even unhooked the terminals it will need re-flashed with a jumper wire and the 3rd time I flashed it, she charges pretty darn good and can sit for months and fire right off.
Any time I unhook a battery on a gennie unit, I re-flash em' anymore.
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bleeds orange View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bleeds orange Quote  Post ReplyReply Direct Link To This Post Posted: 31 Mar 2020 at 9:52am
Hey tim I guess you could help with "reflash" how and what do you do? Be useful information for future.

Thanks cory
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Tracy Martin TN View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tracy Martin TN Quote  Post ReplyReply Direct Link To This Post Posted: 31 Mar 2020 at 9:57am
Mack, had them off and checked twice. New rebuild and new regulator. Charged on bench. Thanks tracy
No greater gift than healthy grandkids!
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bleeds orange View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bleeds orange Quote  Post ReplyReply Direct Link To This Post Posted: 31 Mar 2020 at 9:48pm
Hey tim I guess you could help with "reflash" how and what do you do? Be useful information for future.

Thanks cory
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TimNearFortWorth View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TimNearFortWorth Quote  Post ReplyReply Direct Link To This Post Posted: 01 Apr 2020 at 9:30am
With batt charged up and hooked to tractor, use a jumper wire to flash across the F (FIELD) terminal on VR, to the positive post on battery. Should see a spark when you touch it to the F terminal on the VR, only takes a second.
Can also flash by using a short wire between the F and B (battery) terminals on the VR.
This is typically required whenever the battery terminals are removed on the battery as in replacing/changing battery and I have had good luck doing it on batteries that have been run down completely that I have charged back up in the tractor.
Sometimes needs to be repeated occasionally on old systems.
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