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So I installed a 2500 ohm resistor and solved the red light battery problem. Went back to play with the Class system that I'm so happy to have fixed with help from this site. Now getting the dreaded E4 code. It is brutally cold here now and obviously another bad solder joint but at least I know where to look now.

ok. So next thing is the red warning light. I know it is on because of the new battery that doesn't have the gismo to monitor voltage. Is there an aftermarket gismo that can be hooked up to emulate the old system? I don't really want to disconnect the light as presumably it can come on as a result of other faults and I would like to have that active. Any comments or tips in this regard would be helpful.

So I dried out the desiccant, tested the pump and relays then took the circuit board to an electronic place and they confirmed that the two bad connections that I resoldered were good but they found 9 more bad connections and resoldered them.. Back in the bike and everything is perfect. Could not be happier and by the way both ends were empty. Thanks so much to all that answered this thread. Can hardly wait for spring now.

weii I spent some time yesterday taking apart the CLASS boards and resoldering but no change. I see replacement panels for sale on EBAY for anything from 180 to 400 bucks. Wow and maybe they will have the same issue. I may need to bypass the works. A bit of a shame as the panel and system are pretty cool. Anybody have a known functioning cheap replacement panel?

It is in the accessory position and like I said it displays everything but the buttons don't seem to do anything

Hello New member and just purchased a lower milage 84 Venture Royale. The Class system controller comes on in the Acc. position but shows no fault code but all the forward/Rear and auto manual captions light up and it reads 8 KG pressure but none of the selector buttons seem to function. the unit is getting power but it seems like the panel just doesn't function. Is it repairable? What is a replacement worth and is it available? Pretty amped about the new bike and this great forum. Any help would be appreciated.