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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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11-18-2009, 08:24 PM | #1 |
Not Yet Wild
Join Date: Nov 2009
Posts: 14
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Need Advice - Adding Lights and stereo
Getting ready to hook cart up with some lights and a stereo.
What gauge wiring should be used for the lights? Do the headlights need a relay? |
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11-18-2009, 10:26 PM | #2 |
nimda
Join Date: Jun 2007
Posts: 13,022
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Re: Need Advice - Adding Lights and stereo
It would mainly depend on how many watts your light will be. If say...under 55 watts or so you should be fine with just a switch and NO relay. If you have some big power hogs then you'll likely need a relay. 14-16 Gauge should be fine...again, if you have some power hogs you might step it up.
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12-01-2009, 05:37 PM | #3 |
Not Yet Wild
Join Date: Nov 2009
Posts: 14
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Re: Need Advice - Adding Lights and stereo
thanks Roady
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12-01-2009, 11:32 PM | #4 |
Gone Wild
Join Date: Mar 2009
Location: Roseville, CA
Posts: 2,757
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Re: Need Advice - Adding Lights and stereo
Roady is mostly correct. Here are the simple calcs:
Headlights and tail lights should be in the neighborhood of 150 watts. Using a voltage converter: At 36v this is a 150/36= 4.1 amp draw, at 48v it is a 150/48= 3.1 amp draw. Connected to a 12v battery: At 12v this is a 150/12= 12.5 amp draw Maximum draw on a stereo is 200 watts. Using a voltage converter: At 36v this is a 200/36= 5.5 amp draw, at 48v it is a 150/48= 4.1 amp draw. Connected to a 12v battery: At 12v this is a 200/12= 16.6 amp draw Using a voltage converter together: At 36v: 4.1+5.5=9.6 amps, at 48v: 3.1+4.1=7.2 amps. Connected to a 12v battery: At 12v: 12.5+16.6=29.1 amps With 14ga wire, the max distance round trip for 10 amps is 15 feet with a 3% voltage drop. With 12ga wire, the max distance round trip for 16 amps is 15 feet with a 3% voltage drop. |
12-02-2009, 09:51 PM | #5 |
Gone Wild
Join Date: Jul 2009
Location: South Central Tennessee
Posts: 150
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Re: Need Advice - Adding Lights and stereo
That's some good info right there...thanks Dougmcp!
Glad I went with the 25 Amp converter. |
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