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I do understand about the red wire carrying a voltage to the lcd screen and making a connection with the blue when switched on. My issue at the moment is that the whole cable is removed from the bike and is sitting on me desk with no battery and no lcd screen attached yet the red and blue are...

So presumably these 2 wires are connected in the julet socket and are supposed to be connected ?

Thanks again for taking the time to reply: very much appreciated. The cable is removed from the bike and so not connected to anything and no voltage going through. I have attached 2 pics of the multimeter reading as I connect to the terminals. I’m sure they shouldn’t be showing this reading. I...

Legend. Thank you. If it’s the battery then the bike will be junk, too costly to replace a battery. I still don’t really understand why/how red and blue would be connected when the harness is not connected to anything. When reassembled If red is active and carries voltage it would already...

The whole story ? bought it from police auction (stolen/recovered). No key or charger. Only requires key to remove battery. Bought a 48v charger. Bike worked fine for about a year. I’d say it’s about 10 years old. Then it would not turn on via the lcd screen buttons. Thought it might have been...

Thanks again. The brake wire is hidden behind my finger. It’s is a flat 5pin at one end with a 2 pin for the brakes (but just a single wire). The flat 5 pin and 2 pin connect to the controller. At the other end the green julet connects to the lcd and the 2 Red junkets connect to the brakes...

thanks. There are no error codes. I have disconnected the main cable so there is no power running through. Also disconnected from the brakes. The red and blue wire are connected ( continuity tested). The problem. Unable to to turn on the bike from the lcd screen on button. Bike turns on if I...

It’s a bafang 250w motor and screen is bigstone c300s. No throttle or lights.

Thanks Neal. Bike is something called. neocycle bmx stealth. 20inch fat tyre, folding bike. Said cable appears to have been squeezed when the bike has been folded/unfolded. I have examined the squeeze wires and removed the sheath around the squeezed area and while testing the continuity have...

Thanks Matthew I’m thinking the short must be inside the sealed connector as the cable seems to be unbroken.

Hi all. I’m encountering issues with lcd control panel messages and think there is a short somewhere in the wiring. I have replaced lcd and controller. Battery is good. The problem I think is the harness from the lcd (5 pin connector ) that joins the brakes (2 pin connectors) and then travels...