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Thanks for the update. I also think that repairing these BCUs should be a primary goal. I suspect it's not that easy. enjoy your new (?) bike!

We can follow your laps if we log in to your group in the Advrider app from anywhere in the world. Best of luck to you all!

I suggest those with iphones, get a dirt cheap 2nd hand Android device, that will be used for such off road events. That's what we do.

Advrider is for Android only.

Advrider (for android only) is a specific off road app- https://play.google.com/store/apps/details?id=com.abware.watchdog_client Let you see live on the map where every member of the group is, and communicate with each other.

I wonder how this electric Grom compares to a Zero S electric motorcycle.

Already leaked, and that explains the bike's condition, and my wife's temper... 😀

since my Alta is in the garage, Had some time to do a test drive on the EZRaider - https://www.dsraider.com/ it's an Israely developed on & off road electric vehicle. 3 models - basic 2 wheel drive mid range 2 wheel drive with larger capacity battery and off road tires high range 4 wheel drive...

Exactly. If the battey is out than I use Steve's method. Would like to connect without the ordeal of uninstalling the battery.

That's interesting. I admit that by just looking at the cables, I doubt I'll be able to pull it through.

Having an extension cable for the main battery connectors (orange HV & black LV), would have made my life so much easier. Installing and uninstalling batteries for diagnostics and repair is a nightmare. Someone knows the type/name of the connectors, in order to produce some ext. cables?

Finished another evening of trying to figure out what caused the bike to shut down. Started with the ACM & its connections. All turned out within spec, including the supplied 9.15V to the battery pack. So, bike side is fine. Providing voltage to the contactors make them work well, and we even...

Found Mark's explanation for it - Pins C & 2 provide 9.15v, so we know the ACM provide the adequate voltage to turn on the BCU. So now we are certain that the problem is within the pack itself, and not on the bike's side.

We can't find the 9v in the ACM to BCU connector. Trying with a voltmeter with no luck. Which pins deliver the 9v in the following connector?

Actually it is dead. At the moment I can't connect, charge or do anything else. Thanks to the guys here I am pretty sure we'll get it up and going. Meeting with a friend today for another resuscitation attempt.

I see. The contactors exact model for the A pack is - P105-BDA

how did it go with the swap?

The 2 fuses on the board that we located are fine.

My 2018 EX is out of order as can be seen in this thread - Error 32 - Service required negative weld. not good... Looking for a replacement BCU board (with or without the upper plastic cover). Will be a great help.

The Kuberg are smaller (as far as I have seen). The EM are full sized adults bikes, competeing head to head with traditional trial bikes.