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Right.That's It...! I have now totally given up.... Going to take the whole damn bike to the local tip... !

I appreciate what your saying, but a continuity check isn't going to make any difference if the cables are not connected? I have just connected the displayer unit across the power output from the battery charger and it illuminated fine. I then connected the battery charger to the battery and the...

As I mentioned in my previous post I have had nothing else connected except the displayer unit across the main power wires from the battery. No lights illuminate on the displayer unit whatsoever. This, in my opinion, suggests there is insufficient power from the battery?

No nothing......! I am just wondering whether the battery charger may be faulty? This would account for enough charge to give a reading on the multimeter but of course not sufficient charge to get the damn thing to work? Looks like it's heading for the local tip.....!

Right. I am now well and truly peed off! Spent the last few hours rewiring a replacement controller, refitted it - and nothing! Just a thought. Removed displayer unit and connected it across battery wire, but no lights whatsoever. The battery still reads 40-42volts on the output - could a cell...

Hi Shemozzle99. Thanks for advice. I am missing my so called 'Trusty Steed' so am looking to sort it ASAP. Will PM him and see how I get on?

Hi all. Still have heard nothing from the many emails sent. Was hoping to have at least sorted out a replacement of some kind by now? Feel lost without my bike...... I hate walking......... Bhah..........!

Right I have checked out the wiring destinations as best as I can and labelled them accordingly. Here is a picture which should clarify the connections. If you can find a controller, at the right price of course, that would be helpful.

Have still heard nothing from all the emails I have sent. Tried to use it last night but had to give up as it's far too heavy to pedal even without the battery. The quicker I get this problem sorted - the better!!!

Thanks. Have emailed them as you suggested and will see what happens???

Have removed my controller and here is a photo for reference: This should help!!

Yes. It could be? But my model number is - YK79B. Will email them later to check it out. Thanks

Thanks Frank. Have just checked it out on Ebay and it looks like the one? I think I would have to sort out a re-wire though?

It certainly looks like that one but cannot identify the wires from that picture?

Right. We have checked out the controller with a multimeter and there is 40/42 volts at the battery output and at the controller. There is no power whatsoever from any of the other outputs from the controller. I have now removed the controller unit which smells very slightly of burning, but that...

Hi. I don't normally ride out in bad weather as I tend to be a 'Fair Weather Rider' only. The chain is actually gold in colour by manufacture and I use copper lubricant which tends to give the impression of rust! But that's a minor issue for the moment. Thanks for your advice. I am going to...

Hi. Here is a couple of photo's that may help?

Hi. I am unable to supply a photo but have the details from the controller unit as follows: Intelligent Motor Controller Voltage: 36 V Embedded Voltage: 31.5 V Model: YK79B 1.1 (Not sure if this is 7 as label is damaged) Angle: 120 Power: 250 W Brake Level: Low Production Date: 2008-8

Hi. I have just checked the fuse and no problem. The voltage from the battery is both at the output socket and at the wiring within the controller unit.

Yes I do have a battery level meter on the handlebars which comprises of 5 or 6 small LED's. Initially they flickered, but now I don't have any lights whatsoever and nothing when I operate the throttle? I have just removed the cover from the controller unit, but have left it wired for the time...