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Unread 08-16-2016, 07:26 PM   #1
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Default proper install of voltage reducer

hey,

Today I looked at a client's car that the lights were not working. The only lights on the car were headlights. He had a reducer set up in the cart(36v system) and the wires from it were as follows: red is input positive, blue is input neg, black is output neg, yellow is output pos, and orange is for the key switch. Every wire was installed correctly until I saw that he combined BOTH output negative with input negative on the main battery negative! I checked the fuse right away and it was intact. I understand that the input negative and output negative are just grounds, but because there are separate wires for each one on the voltage reducer, I assumed that was not a good idea to do.

So basically I separated the two wires and wired them to their respective wire from the reducer. Turns out after checking all wires, the toggle switch that turns on/off the lights, the lights themselves, and battery pack voltage the lights still don't work. Should I assume at this point the reducer died out?
Do you guys think it is still worth checking the reducer wires to see if I am getting 12v out of it, or is what I described evidence enough??

thanks for any input

-Steve
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Unread 08-16-2016, 09:26 PM   #2
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Default Re: proper install of voltage reducer

Never mind


.
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Unread 08-16-2016, 10:00 PM   #3
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Default Re: proper install of voltage reducer

All negative connection on electric carts go to pack negative. NO frame grounds.

If you has an isolated voltage reducer, you need a negative block for all 12 volt negative connections, then the output negative would connect to the negative block.
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Unread 08-16-2016, 10:34 PM   #4
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Default Re: proper install of voltage reducer

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Originally Posted by tag50 View Post
Never mind


.

Never mind what?
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Unread 08-16-2016, 10:37 PM   #5
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Default Re: proper install of voltage reducer

Quote:
Originally Posted by mrgolf View Post
All negative connection on electric carts go to pack negative. NO frame grounds.

If you has an isolated voltage reducer, you need a negative block for all 12 volt negative connections, then the output negative would connect to the negative block.


Sorry I didn't mean ground wire, but yes the negative output is corrected now and tied into the headlights negative now. But do you agree that the reducer is toast?
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Unread 08-16-2016, 10:57 PM   #6
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Default Re: proper install of voltage reducer

I was going to suggest checking the in-line fuse then I re-read the first post.

On second thought, there could be another fuse ( left behind after the reducer was installed)


.
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Unread 08-16-2016, 11:02 PM   #7
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Default Re: proper install of voltage reducer

Quote:
Originally Posted by tag50 View Post
I was going to suggest checking the in-line fuse then I re-read the first post.

On second thought, there could be another fuse ( left behind after the reducer was installed)


.

Yeah you were right to say never mind... Lol kidding. But seriously that is a good point but I did check for that possibility. Do you feel the reducer died out on me?



-Steve
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Unread 08-16-2016, 11:04 PM   #8
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Default Re: proper install of voltage reducer

And yes, I would check the 12v. wires AT the reducer before I'd give it last rites.


.
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Unread 08-16-2016, 11:41 PM   #9
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Default Re: proper install of voltage reducer

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Originally Posted by tag50 View Post
And yes, I would check the 12v. wires AT the reducer before I'd give it last rites.


.

Good to go the reducer is a Chinese made cheapie so no big shocker if it's toast
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Unread 08-16-2016, 11:45 PM   #10
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Default Re: proper install of voltage reducer

Yep, with all the Chinese stuff, we're going the run out of land-fills.


.
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