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Old 10-21-2021, 03:27 PM   #1
JulianL85
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Post 1998 Club Car DS 48V OBC bypass question

I have 98 DS 48v and I'm about to put a lithum in it and just charge the battery with aftermarket charger that connects straight to the terminals. aI want to know how and if I should bypass the OBC. I watched videos on YouTube but did not see a video that shows my connector style(which is a 3 terminal, not 6) on my OBC. Any help will appreciated.

This is only my 2nd post.. I think I uploaded 2 photos. 1 is of my style OBC and the other is my serial number.
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Old 10-21-2021, 04:00 PM   #2
Ronno6
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Default Re: 1998 Club Car DS 48V OBC bypass question

Not that you should...you MUST !
Otherwise I have read that the OBC will render the cart inoperative after it does not detect a charge cycle after so many uses........
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Old 10-21-2021, 04:03 PM   #3
Volt_Ampere
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Default Re: 1998 Club Car DS 48V OBC bypass question

If it were me, I would remove the OBC and bypass it cleanly since it is a useless piece of gear where you're going. The OBC can prevent your cart from running - which you don't want. It's main purpose was to control the charger that came with the cart.
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Old 10-21-2021, 04:22 PM   #4
JulianL85
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Default Re: 1998 Club Car DS 48V OBC bypass question

Ok then that's what I'll do. I understand what to do with the negative and gray wire but what about the rest of them?
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Old 10-21-2021, 05:02 PM   #5
Ronno6
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Default Re: 1998 Club Car DS 48V OBC bypass question

Quote:
Originally Posted by JulianL85 View Post
Ok then that's what I'll do. I understand what to do with the negative and gray wire but what about the rest of them?
I did my 98 DS about 3 months ago....It wouldn't move til I took care of the yellow wire... I THINK I cut it, put on a terminal and attached to the negative cable post of the controller.
Again, I THINK...... had I done it 40 years ago, I would remember better.......
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Old 10-21-2021, 05:27 PM   #6
Volt_Ampere
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Default Re: 1998 Club Car DS 48V OBC bypass question

There are a bunch of "How to's" in this forum. I am a Yamaha guy but I have helped a couple Club Car guys do stuff like this. If I remember correctly, you have to make one connection to make the cart run without the OBC. And you have to connect the charge connector directly to the battery negative instead of it going through the OBC.
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Old 10-21-2021, 05:50 PM   #7
Tom47
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Default Re: 1998 Club Car DS 48V OBC bypass question

This sticky explains it better than I can:

https://buggiesgonewild.com/showthread.php?t=114227
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Old 10-21-2021, 08:27 PM   #8
mnealuf
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Default Re: 1998 Club Car DS 48V OBC bypass question

I converted my 95 DS to lithium about two months ago and removed it all. I took factory charge port out completely and wired the onboard charger to that location by making a plate and a waterproof socket. You have to ground the negative side of the solenoid so it goes. (New wire is not shown, this is all just crap I removed. )
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Old 10-21-2021, 09:12 PM   #9
JulianL85
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Default Re: 1998 Club Car DS 48V OBC bypass question

Thanks Tom.. that thread is definitely what I needed. Mnealuf thanks for the diagram, it will be a life saver when I start on the conversion tomorrow. I'll definitely be considering putting it a waterproof socket also. I would love to just have the charger on-board and just need a extension cord wherever I go. Thanks guys maybe one day I can return the favor.
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Old 10-21-2021, 10:38 PM   #10
Tom47
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Default Re: 1998 Club Car DS 48V OBC bypass question

You're welcome!

BTW, this item works great and replaces the original charging port perfectly.

https://www.amazon.com/dp/B08GLCXSBQ...roduct_details

Last edited by Tom47; 10-21-2021 at 10:41 PM.. Reason: Added link
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