10-07-2021, 04:09 PM | #381 |
Not Yet Wild
Join Date: Oct 2021
Posts: 4
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Re: OBC Bypassing
Opps
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10-07-2021, 04:16 PM | #382 |
Not Yet Wild
Join Date: Oct 2021
Posts: 4
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Re: OBC Bypassing
DaveMJ:
Typed to soon. Found the reply you were referring to. So the extra circuit wire from the receptacle to the negative terminal (without disconnecting the neg line to the OBC) will not let the new charger work while still allowing the OBC to function, such as providing the negative for the solenoid (yellow wire)? I appreciate you sharing your knowledge here. |
10-07-2021, 04:18 PM | #383 | |
Gone Wild
Join Date: Jul 2011
Location: Miami,Florida
Posts: 163
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Re: OBC Bypassing
please help
anyone I'm lost with the extra wires [quote=snoop911;1853498] Quote:
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10-08-2021, 06:40 AM | #384 |
Not Yet Wild
Join Date: May 2021
Location: Cumming, GA
Posts: 10
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Re: OBC Bypassing
Newb here to the forum and golf carts and I just wanted to jump on and thank Sergio, TahoeDawg, and others for their knowledge of carts. After researching and reading numerous post I was able to remove and bypass my OBC for my new Summit II charger I mounted on-board. I also made my own 6 pin OBC bypass connector kit using the info I learned from them and purchased a 4ga battery cable from the local auto parts house to replace the cable that passes through the OBC from pack- to controller B-.
Thanks to all the guys who come on here daily to help out all us new to vet enthusiast! |
10-10-2021, 01:14 AM | #385 |
Not Yet Wild
Join Date: May 2021
Location: Cumming, GA
Posts: 10
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Re: OBC Bypassing
Ok guys…need some help here! 2002 DS IQ. I mounted my Summit II on board with ring connectors to battery pack and tied the blue and white wires on obc side of 6 pin connector together and added a 10k ohm 1 watt resistor onto the white wire side between 6 pin connector and slice with blue wire. I then tied the lockout blue wire from Summit II into the blue and white wire splice so cart won’t move when charging. Everything works great while charging and cart won’t run when charging. But when I try to drive cart it shutters when trying to accelerate. If I unhook the blue lockout wire from charger from blue and white wire splice cart runs fine.
Do I not need the resistor while charging for lockout? Will it still lockout cart if resistor is removed while charging? I’d prefer to have the lockout feature since I have a young child who might come out and mess with the cart while it’s charging. |
11-02-2021, 05:22 PM | #386 |
Not Yet Wild
Join Date: Jan 2009
Posts: 54
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Re: OBC Bypassing
Sergio and or others -
I have a 1999 custom body built on 1996 frame DS series. For 2nd or 3rd time now, batteries got very discharged, and OBC won't kick in. I have jumpered the PowerDrive charger internal wires like before and can feel energy in and out of the charger when AC powered. Initially shows 0 amps, but when I plug in to the cart, it jumps to 1.5 or so amps. Have left it plugged in to cart for about 1/2 hour, and am seeing increase in amps now to about 3 amps. Before start of this charge cycle, 4 of 8v batteries are at 3.0 - 3.5 V after individual charge up, 2 of 8v are at 1.5 volts. Have cleaned all corrosion off batteries and installed all new 4g cables. Your thoughts on the following or any other comments welcome: 1 - if charger may have problem (relay?) - The fuse at the back of the cart receptacle tests to have continuity, and other fuses are good. 2 - are batteries likely to come back or history? 3 - Possible damage to leave charger running to see if amps continue to increase? Thanks in advance for you thoughts. Last edited by desertratiw; 11-02-2021 at 05:24 PM.. Reason: correction |
11-17-2021, 07:46 AM | #387 |
Gone Wild
Join Date: Jul 2012
Location: Central FL
Posts: 1,195
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Re: OBC Bypassing
I read through this whole thread and still had a question. Im new to Precedents and there is nothing wrong with my OBC but I am switching to Lithium and using my own charger so I now need to bypass also.
Why cant I just run the two wires from the charger port to the + & - of the pack? Why do I need to go through all this rewiring of the harness wires? Does the OBC control more than just charging? |
11-17-2021, 08:25 AM | #388 |
Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 7,125
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Re: OBC Bypassing
Yes - the OBC controls more than just charging. It can keep the cart from running. Part of the bypass is to disable the OBC completely so that it can't stop the cart from running.
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11-17-2021, 04:44 PM | #389 |
Gone Wild
Join Date: Dec 2020
Location: Melbourne, Australia
Posts: 1,919
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Re: OBC Bypassing
If the OBC doesn’t “see” periodic charging cycles, as will occur if you connect your charger directly to the battery, it will assume that charging isn’t occurring and shut down the cart to protect the batteries from being over discharged.
Cheers Pat. |
11-17-2021, 06:00 PM | #390 | |
Gone Wild
Join Date: Jul 2012
Location: Central FL
Posts: 1,195
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Re: OBC Bypass ~ Technnical Tips
Quote:
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