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Old 08-07-2022, 09:02 AM   #1
haddixbros1
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Join Date: Jun 2022
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Default 72V system Melts EZGO TXT F/R switch?

I have a 1999 EZGO txt series cart. I recently jumped from a 52v56ah roypow kit, to the big boy 72v106ah roypow kit. I have a Plum quick Demon motor and an alltrax SR72500 to accompany it. Love the performence enhancement. Having said that..... . I noticed some heat from the battery bay. Turns out the contact points on my F/R switch are getting HOT like, 135 or hotter if I drive for a while. Even the attached 0/2 guage wires are getting warm. Not all, just the ones that are attached the points on the F/R switch. And the further from that switch those wires go, the cooler they get. Now, Im no rookie and have ensured there is no loose connections. Its also a heavy duty controller. So whats going on? Is this system just not up to handling 72V? Do I need a new switch style?

And and all advice is greatky appreciated!!!!
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Old 10-06-2022, 07:14 PM   #2
Dave Barton
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Join Date: Feb 2018
Location: Magnolia, TX
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Default Re: 72V system Melts EZGO TXT F/R switch?

You could upgrade the weak forward reverse switch to a reversing contactor which is basically a double solenoid setup. Use the 400 amp version
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72v, ezgo, lithium, roypow
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