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Male female power cable keeps on coming loose while riding ebike. Help? (lemmy.perthchat.org)

submitted 1 year ago by [email protected] to c/[email protected]

8 comments fedilink hide all child comments

cross-posted from: https://lemmy.perthchat.org/post/321128

I have tried: taping them together, hot glueing them together and ziptying it right to the frame to prevent jiggle.

All have failed.

Right now, when I reconnect them and apply pressure, I can't even get the engine to turn on anymore. But the speedometer still works and that signal is sent through the engine cable too.

Recently, sometimes the engine rear wheel barely rolls when I roll the bike backwards.

There are no ebike repair stores in my city.

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[–] [email protected] 1 points 1 year ago

I used tape on mine, but they're a little different style. Like the other poster said, it sounds like your cord is shot. Can you go back to the manufacturer on this, or was it a DIY deal?

[–] [email protected] 1 points 1 year ago (2 children)

I think at this point you might need a new cable, since the connection socket most likely loose on the inside. Once you got a new one, try ziptying the ends below the connection joint (to ease the stress on the joint), ziptie it to the frame (as you did last time) and bonding the connection itself with epoxy resin (could be found in hardware stores).

While using adhesives (epoxy), make sure you cleaned the surfaces very well

[–] ShadowCatEXE 1 points 1 year ago

An alternative to ziptying to the frame or using epoxy would be to try ziptying the ends together. One slightly loose zip tie on each cable end (just below the base of the connector). Then using one or more zip ties, tie the two ends together. At least the ends won't disconnect this way, but whether or not the connection is good enough is a different story.

Could be a good temporary fix until a new cable is purchased.

[–] [email protected] 0 points 1 year ago (1 children)

Inside the cable there are 8 or so smaller wires and when I looked up the cable I couldn't find the same one anywhere

[–] [email protected] 3 points 1 year ago

Can you post a photo of your actual connector? Inspect it closely for broken/damaged pins. Where do the other ends of these cables go? If it's a proprietary connector that's hard-wired into the motor, then replacement cables might not be readily available. If the connector is broken and replacements are not available, then I would probably consider replacing the connectors with a soldered connection.

[–] Know_not_Scotty_does 1 points 1 year ago

Adhesive lined heat shrink tubing will likely do what you need. If not, a locking connector such as an ampseal or sumitomo or deutsch(?) connector.

[–] [email protected] 1 points 1 year ago

Maybe something like this?

https://www.amazon.com/Red-Fire-Microphone-Extension-Female-walkie/dp/B089ZPVD1Q/ref=mp_s_a_1_8?crid=3KUIJBHLN1YYI&keywords=8+pin+microphone+cable&qid=1686571929&sprefix=Microphone+Cable+8+pin%2Caps%2C157&sr=8-8