Voltage on frame?

Bmay432 · 07-21-2019, 09:25 PM

I got a 1996 48 volt carryall for cheap. It had no batteries so I put some in it and it doesn't work. It is showing voltage on the frame. I unhooked the positive cable and left the negative cable but it is still showing voltage. Why would it have voltage on the frame with only the negative side hooked up?

NCPW · 07-22-2019, 07:23 AM

First, make sure there aren't any actually frayed/bare wires touching the frame.

Second, make sure all battery acid/ corrosion is cleaned off the frame completely. It can cause the frame to carry voltage if not.

LabRat · 07-22-2019, 07:40 AM

I chased that rabbit for a while, voltage on frame, my root cause ended up being Georgia red clay packed into the motor, weathered clay is primary iron oxide & al oxide & of course silicon. however a dirty battery pack, bad wires are the usual root causes for this problem

Bmay432 · 07-23-2019, 12:41 AM

Thanks for the replies once I figure it out I will post and let you guys know

rib33024 · 07-23-2019, 05:47 AM

It's a ghost voltage. There is not enough to light a bulb

teecro · 07-23-2019, 08:10 AM

Quote:

Originally Posted by rib33024

It's a ghost voltage. There is not enough to light a bulb

If the main positive lead is lifted from the batteries that's all it can be...

Fairtax4me · 07-23-2019, 05:09 PM

How much voltage? Full pack voltage? 30v? 2.5v?
Is anything else hooked to the batteries?

07-21-2019, 09:25 PM	#1
Bmay432 Not Yet Wild Join Date: Aug 2017 Posts: 17	Voltage on frame? I got a 1996 48 volt carryall for cheap. It had no batteries so I put some in it and it doesn't work. It is showing voltage on the frame. I unhooked the positive cable and left the negative cable but it is still showing voltage. Why would it have voltage on the frame with only the negative side hooked up?
Bmay432 Not Yet Wild Join Date: Aug 2017 Posts: 17

07-22-2019, 07:23 AM	#2
NCPW Just Gone Join Date: Sep 2015 Location: North Carolina Posts: 3,549	Re: Voltage on frame? First, make sure there aren't any actually frayed/bare wires touching the frame. Second, make sure all battery acid/ corrosion is cleaned off the frame completely. It can cause the frame to carry voltage if not.

07-22-2019, 07:40 AM	#3
LabRat Gone Wild Join Date: May 2019 Location: Georgia Posts: 389	Re: Voltage on frame? I chased that rabbit for a while, voltage on frame, my root cause ended up being Georgia red clay packed into the motor, weathered clay is primary iron oxide & al oxide & of course silicon. however a dirty battery pack, bad wires are the usual root causes for this problem

07-23-2019, 12:41 AM	#4
Bmay432 Not Yet Wild Join Date: Aug 2017 Posts: 17	Re: Voltage on frame? Thanks for the replies once I figure it out I will post and let you guys know
Bmay432 Not Yet Wild Join Date: Aug 2017 Posts: 17

07-23-2019, 05:47 AM	#5
rib33024 ...................... Join Date: Apr 2009 Location: FT Lauderdale FL. Posts: 16,416	Re: Voltage on frame? It's a ghost voltage. There is not enough to light a bulb

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07-23-2019, 05:09 PM	#7
Fairtax4me Bonafide Nincompoop Join Date: Dec 2015 Location: Charlottesburg Va Posts: 8,987	Re: Voltage on frame? How much voltage? Full pack voltage? 30v? 2.5v? Is anything else hooked to the batteries?

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