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08-27-2012, 02:58 PM | #1 |
Not Yet Wild
Join Date: Aug 2012
Location: Anderson, IN 46012
Posts: 8
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36v/12v converter
Got a question.
Just installed a "Chinese" 10 amp 36v to 12v converter on my 2007 TXT to run my street legal lights from. When I had it hooked up to 2 6v batteries, it worked fine, but thru the controller, everything (flashers, turn signals, brake, horn) works, but I have no headlights or tail lights. Too smal output or bad controller? How can I check amperage output of controller? Any help would be appreciated. Thanks, Budd |
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08-27-2012, 03:17 PM | #2 |
Gone Wild
Join Date: Dec 2009
Location: Gastonia NC
Posts: 530
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Re: 36v/12v converter
First of all you put 36 volt to the in put not 12 volt ...36 volt in 12 volt out ..You connect it to the battery pack ..not to the controller.. Make sure you put a fuse in line with it
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08-27-2012, 03:34 PM | #3 | |
Not Yet Wild
Join Date: Aug 2012
Location: Anderson, IN 46012
Posts: 8
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Re: 36v/12v converter
Quote:
I installed the converter with 36v coming into it and it has 12v coming out. Hooked light harness to the 12v output (instead of the 2 batteries) WITH in-line fuse on the + lead. Sorry for the mis-understanding/confusion......my mistake !! |
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08-27-2012, 03:47 PM | #4 |
Gone Wild
Join Date: Dec 2009
Location: Gastonia NC
Posts: 530
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Re: 36v/12v converter
Ok does the flasher work when you turn on the head lights... Or do they go out .. Do they get dim ... If they do this would be a sign of over draw on the converter... If not the problem lie's else where..
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08-27-2012, 04:05 PM | #5 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: 36v/12v converter
Quote:
I think you are on the right track, the converter might be too small for the job. Just a pair of headlights will come pretty close to maxing out a 10A converter. (55W x 2 / 12 = 9.1A) You can measure the amp being drawn by the lights by putting an ammeter in series with the output of the converter. (IE: replace fuse with ammeter for testing) Most inexpensive DMM only measure up to 10A DC, so be careful. Or you might try something like this: |
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08-27-2012, 04:49 PM | #6 |
Getting Wild
Join Date: Mar 2012
Location: TX
Posts: 117
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Re: 36v/12v converter
Read my post. I put cheap led bulbs in the headlights to cut down on the draw.
http://www.buggiesgonewild.com/elect...-complete.html |
08-27-2012, 08:33 PM | #7 | ||
Not Yet Wild
Join Date: Aug 2012
Location: Anderson, IN 46012
Posts: 8
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Re: 36v/12v converter
Quote:
Quote:
THANKS--sms-shop--JohnnieB--redfro I checked the headlight bulbs in my kit and they were "889 12V37W". Haven't checked the wattage of the tailights (they are LED----shouldn't be TOO much draw, I'd think). Guess I had better start looking for a larger output converter. Maybe, 25-30 amp. Might also start looking for LED replacement for the headlight bulbs. |
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08-27-2012, 08:47 PM | #8 | |
Not Yet Wild
Join Date: Aug 2012
Location: Anderson, IN 46012
Posts: 8
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Re: 36v/12v converter
Quote:
When the light kit is hooked to the 1st 2 batteries (12v), everything works. |
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08-28-2012, 07:27 AM | #9 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: 36v/12v converter
Quote:
Your 10A converter ought to at least run everything individually even if it won't run them all at the same time, and considering the headlights only draw 6A, it probably should run everything. A bigger converter probably won't work either. I suspect you're Head/Tail lights are using the frame as the return path back to the battery and when you transfer the wire from negative post on the right-rear battery to the converter, you no longer have a complete circuit for Head/Tail lights. For electrical safety reasons, the frame should not be grounded, so each accessory has to be a two wire system. I might be wrong, but that is the only thing the few brain cells I have left can come up with. |
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08-28-2012, 08:26 AM | #10 | |
Not Yet Wild
Join Date: Aug 2012
Location: Anderson, IN 46012
Posts: 8
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Re: 36v/12v converter
Quote:
The wiring harness has no wires attached to the frame (even the fuse block is not ground to the frame), and I believe that this is a 2-wire system. What I can't understand is: there was only 2 wires (red positive/ black negative) in the harness that needed hooked up. When those wires were hooked to the 1st 2 batteries of the pack (- to neg of first battery / +(w/in-line fuse) to pos of second battery)) everything worked. After installing the converter (36v - to neg of first battery / 36v + to pos of last battery), I then hooked up the lighting harness (harness - to converter 12v - output / harness +(w/in-line fuse) to converter 12v + output)) everything works except headlights/taillights. BTW-when I hook the 2nd wire (+ or -) of the converter input to the battery pack --- it sparks. Should that happen? Also, is the battery pack grounded to frame? |
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