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Fantastic, just managed to suss out the problem with the bike. The plug going up to the throttle had a bad connection on the blue wire, cut off the plug and soldered all the 7 wires and heat shrinked. Still didnt work so put a negative on the small black wire from the 7 core gong to the battery...

The other 6 wires are not used, just one small black wire from the 7 core goes into the controller. Does it make sense that this may require a negative from the battery to fire up the controller as it is still dead and no motor operation? Connected the motor wires together in pairs and I get a...

Hi Dave Still not sure were the single black wire should go from the 7 core flex?? Unsure were to go from here, do I need to connect the controller back up before I can check the motor, resistance readings on the 3 motor wires show short circuit or virtuall short?

Hi Guys, Now took the controller completely off the bike, looking inside at the pcb there doesnt appear to be any damage. The 7 core cable heat shrinked with the main power (battery connections) is in fact only using 1 wire the small black one in the picture which goes in the controller along...

Please see clearer pics

Throttle has no indictor lights or LED's fitted

Hi Dave & Neal The wire in question is a 7 core (apologies) need to learn to count. This comes from the controller in sleeving with the main positive and negative from the battery pack. The switch and throttle wiring comes from the handle bars and goes right down to the controller, this is in...

Just received the new charger today and charged the battery, got a green light on completion and now have 52 volts at the main battery connections. Still no life from the motor, suspect it may be due to the 6 core cable near the battery which isnt connected to anything (see pic) Only name I can...

Hi, As requested I have attached several pictures of the bike and various parts, I have confirmed it is 48 volt 250w motor as it is stamped on the side of the hub, the battery is at 42volts as I am awaiting a new charger as the original one is dead. The wiring in question is the 6 core which is...

Hi All I have just aquired a Diamondback bike with a 48volt rear wheel conversion fitted, this was previously working fine but dont have any more info than that. I have checked the battery and it charges and holds charge, all the wiring connectors from the controller and motor etc seem ok...

Hi Everyone, Just aquired my first electric conversion bike (not working) and looking forward to trying to actually getting it to run and more to the point riding it!!!!! Looks like a great forum