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Full Version: negative cable disconnected
UK Bike Forum > Technical Help > The Workshop
bill_hudson
hey there, yesterday morning i tried to start the bike and nothing was happening so i started twidling with the battery cables to see if theyve become loose and the bikes electrics flicked on and off. i then gently pulled on the negative battery cable and i found the other end to look like it had been cut off.

my problem is that for the life of me i cant seem to find an actual decent diagram to help me reconnect it.

the bike is a sukida sk 125-2 which is just a chinese copy of the honda cg125.

please write back if you can help me at all, i hate being bikeless
AllyBally
Hi Bill, the negative cable should run from the negative battery terminal to an earth terminal bolted to the bike frame , it shouldnt be too far from the battery, ,, it had probably corroded an snapped away from the cable.
Just put a new ring terminal on the end and rebolt it ( if you dont have any electrical connectors, you can pick them up individually at most small car spares shops). For a temporary repair you could loop a small amount of the bare end round a washer and bolt it in place,,,, but i wouldnt leave it for long before getting a proper connector on it, or you will have the same trouble again.
HTH
bill_hudson
thanks for your reply pal, is this the usual case with batteries and bikes, it just seems some of the bad diagrams i found on the web seem to make it look like it has to be part of the whole circuit/wiring loom.
as you can tell i dont know much about the actual wiring of electronics lol
AllyBally
Yes it's normal for the earth (negative) to go to the frame/ engine, its the same for all vehicles really,, it saves having hundreds of negative wires running every where, although you still need negative feeds for quite a lot of stuff. If you need to replace the earth lead, make sure you use cable at least as thick ( gauge of the actual copper wire) or you could possibly burn it out using the starter.
bill_hudson
just tried it and it works smile1.gif will solder it tommorow, thanks for your help smile1.gif
AllyBally
No problem mate, glad to help, and glad you got it sorted easily.
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