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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV.



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Old 05-29-2017, 10:44 AM   #1
Wisedm
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Default Wiring a 36 volt to 12v voltage reducer

I have a 36/48 - 12v (30Amp) voltage reducer with 5 wire harness. Want to hook it to a 36 volt EZGO marathon. Will use a fuse block with grounding bar for accessories such a cigarette lighter plug in for corn spreader, head and tail lights, LED lights (front and rear). Need wiring diagram neither reducer or fuse block came with wiring instruction.
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Old 05-29-2017, 11:03 AM   #2
marianol
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Default Re: Wiring a 36 volt to 12v voltage reducer

Check this thread.. http://www.buggiesgonewild.com/showthread.php?t=130569

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Old 05-29-2017, 11:24 AM   #3
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Default Re: Wiring a 36 volt to 12v voltage reducer

Quote:
Originally Posted by wisedm View Post
i have a 36/48 - 12v (30amp) voltage reducer with 5 wire harness. Want to hook it to a 36 volt ezgo marathon. Will use a fuse block with grounding bar for accessories such a cigarette lighter plug in for corn spreader, head and tail lights, led lights (front and rear). Need wiring diagram neither reducer or fuse block came with wiring instruction.
i would need to see the 5 wire reducer
post a photo
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Old 05-29-2017, 11:35 AM   #4
crash test dummy
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Default Re: Wiring a 36 volt to 12v voltage reducer

I found this

you can use a fuse block with grounding bar
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File Type: jpg REDUCER.jpg (77.5 KB, 0 views)
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Old 05-29-2017, 12:21 PM   #5
Wisedm
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Default Re: Wiring a 36 volt to 12v voltage reducer

First attempt to upload a picture not sure if it will come through. But a simple description of the reducer is that it is 5 wire, one section has 3 wires, red (+), black(-) and a red/white wire for key switch. The other is black and yellow and it is for + and - for lighting.
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File Type: jpg 20170529_113740[1].jpg (194.7 KB, 0 views)
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Old 05-29-2017, 12:46 PM   #6
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Default Re: Wiring a 36 volt to 12v voltage reducer

sounds like you got it
red (fused) to pack positive
black (not with yellow) to pack negative
red/white to key switch (green wire) switch side
yellow to fuse block
black to ground bar
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Old 05-29-2017, 12:56 PM   #7
crbinson
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Default Re: Wiring a 36 volt to 12v voltage reducer

Quote:
Originally Posted by Wisedm View Post
First attempt to upload a picture not sure if it will come through. But a simple description of the reducer is that it is 5 wire, one section has 3 wires, red (+), black(-) and a red/white wire for key switch. The other is black and yellow and it is for + and - for lighting.
3 wires, red (+), black(-) and a red/white wire for key switch.

These should be the 36V power in to the reducer. Connect the red and black across your battery pack. The red/white is the trigger and needs a 36V power source to "turn on" the reducer. I didn't have 36v on my marathon key switch so just added an on/off switch for the reducer and wired to the battery +.

black and yellow and it is for + and - for lighting

These should be 12V power out of the reducer. They will connect to your fuse block and grounding bar.
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Old 05-29-2017, 02:30 PM   #8
Wisedm
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Default Re: Wiring a 36 volt to 12v voltage reducer

Okay, seems Like I have that under control, now my next dilemma is to figure out how to wire the LED lights and other accessories through a toggle switch, I was to cheap to buy the wiring harness so I need build one. First question is, do I need a 3 prong or 2 prong toggle switch for LED lights and secondly what will be my wiring diagram.
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Old 05-29-2017, 03:20 PM   #9
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Default Re: Wiring a 36 volt to 12v voltage reducer

I'm anal and switch both + and -. You can keep the - connected and only switch the + from the fuse block.Single pole single throw (SPST) toggle switch.
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Old 05-29-2017, 03:23 PM   #10
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Default Re: Wiring a 36 volt to 12v voltage reducer

Run a - to the negative of each accessory. Run the + to the toggle switch, and run the switched wire to the accessory.
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