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07-16-2017, 09:46 PM | #1 |
Not Yet Wild
Join Date: Jul 2017
Location: Edmonton, Alberta
Posts: 15
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Voltage reducer is providing power to a USB charger, but charger will not charge
Hi Everyone,
My brother-in-law recently got this installed at a dealership. The charger lights up when the key switch is turned on, but it will not charge anything. Could it be the charger or reducer is a dud? or could it be wired wrong? Anybody have this happen to them? Thanks |
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07-16-2017, 09:50 PM | #2 |
Gone Insane
Join Date: Oct 2016
Location: Richmond, VA
Posts: 14,214
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Re: Voltage reducer is providing power to a USB charger, but charger will not charge
Could it be the USB port itself? See if you have 12v going to it.
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07-16-2017, 10:01 PM | #3 |
Not Yet Wild
Join Date: Jul 2017
Location: Edmonton, Alberta
Posts: 15
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Re: Voltage reducer is providing power to a USB charger, but charger will not charge
The charger is showing power when you turn the key on. I did look at the wiring quickly, everything looked ok. If I put a voltmeter on the leads going into the charger and it reads 12V that would eliminate the reducer, Correct?
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07-16-2017, 10:05 PM | #4 |
Gone Insane
Join Date: Oct 2016
Location: Richmond, VA
Posts: 14,214
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Re: Voltage reducer is providing power to a USB charger, but charger will not charge
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07-16-2017, 10:12 PM | #5 |
Not Yet Wild
Join Date: Jul 2017
Location: Edmonton, Alberta
Posts: 15
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Re: Voltage reducer is providing power to a USB charger, but charger will not charge
Thanks MoonCarter.
Apologies for this next question, positive lead on the (+) for the USB charger and negative lead on the negative for the pack? |
07-16-2017, 10:16 PM | #6 |
Gone Insane
Join Date: Oct 2016
Location: Richmond, VA
Posts: 14,214
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Re: Voltage reducer is providing power to a USB charger, but charger will not charge
The USB port should have a+ and a - going into it. Just test it there.
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07-17-2017, 04:30 AM | #7 |
Gone Wild
Join Date: Jan 2017
Location: Queensland Australia
Posts: 1,332
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Re: Voltage reducer is providing power to a USB charger, but charger will not charge
USBs put out 5V (so your phone or whatever you are charging takes 5V). This means that the cart reducer supplies 12V to the USB port but then the USB reduces this again to 5V. So the USB itself is like a little reducer to convert the 12V to 5V.
The bottom line is that if there is 12V going to the back of the USB but the USB is not charging (and you should try multiple devices and multiple USB cables to verify that it does not charge) then the USB is buggered and needs to be replaced. You could well find that it is just the cable that is no good so try the cable on another USB port (the computer or a mains charger that outputs to a USB port) to check that it works OK. Also try wriggling the USB cable in the socket. Sometimes a USB doesn't work just because the cable is not making proper contact. |
07-17-2017, 05:30 AM | #8 |
Not Yet Wild
Join Date: Jun 2015
Posts: 35
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Re: Voltage reducer is providing power to a USB charger, but charger will not charge
Your USB cable, did it have a lighter plug on it or a wall plug end on it. If it started out as a wall plug end, it won't work in the cart.
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07-17-2017, 06:12 AM | #9 |
Gone Insane
Join Date: Oct 2016
Location: Richmond, VA
Posts: 14,214
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Re: Voltage reducer is providing power to a USB charger, but charger will not charge
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07-17-2017, 06:25 AM | #10 |
Gone Insane
Join Date: Oct 2016
Location: Richmond, VA
Posts: 14,214
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Re: Voltage reducer is providing power to a USB charger, but charger will not charge
If it looks like this...we have a problem.
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