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https://www.rctankwarfare.co.uk/forums/viewtopic.php?t=34689
It will not work with any transmitter other than the one provided, these are specific "Dedicated" transmitters, totally different from standard 12 channels or others.It doesn't really matter that it used to work the right way on the old silver MFU. HL has made changes to each of the MFUs as they are released. Sometimes they change the polarity of the motor connectors in new releases. If the motor is going forward and reverse regardless of the direction of the stick, there is nothing wrong with the MFU. If there was something wrong with the MFU, it wouldn't work at all. Sometimes you need to change the order of the red and black motor cable within the connector to get everything working right. Brushed motors don't care whether or not the red wire goes to the red (+) post or the black (-) negative post. It will work fine either way. If the one motor is working they way it should, leave it in that plug. The other motor needs to have the red and black wire reversed more than likely.Jarmey1 wrote: ↑Mon Aug 14, 2023 7:16 pm If I change any wires it wouldn't make a difference as the setup works perfect on the old silver label version of the gold mfu. I think the mfu is bad. My next step is setting it up with a 12 channel transmitter and receiver and a whole load of inline switches like I did on my crawler that as more functions than really needed.
i agree with the reversal of the wires, but it would be valid if the tank moved forward with the vertical right stick down and backwards if up? out here it seems that the horizontal right stick is moving forward / backward ? not very logical, and not in conformity with what is on the doc of the transmitter?
Thank you Tankme you have solved my problem. I must remember that tanks are not rc cars and the thing I fixed before do not go now. I'm very happy now. Thanks again and to all who also took the time to help me.tankme wrote: ↑Mon Aug 14, 2023 9:18 pmIt doesn't really matter that it used to work the right way on the old silver MFU. HL has made changes to each of the MFUs as they are released. Sometimes they change the polarity of the motor connectors in new releases. If the motor is going forward and reverse regardless of the direction of the stick, there is nothing wrong with the MFU. If there was something wrong with the MFU, it wouldn't work at all. Sometimes you need to change the order of the red and black motor cable within the connector to get everything working right. Brushed motors don't care whether or not the red wire goes to the red (+) post or the black (-) negative post. It will work fine either way. If the one motor is working they way it should, leave it in that plug. The other motor needs to have the red and black wire reversed more than likely.Jarmey1 wrote: ↑Mon Aug 14, 2023 7:16 pm If I change any wires it wouldn't make a difference as the setup works perfect on the old silver label version of the gold mfu. I think the mfu is bad. My next step is setting it up with a 12 channel transmitter and receiver and a whole load of inline switches like I did on my crawler that as more functions than really needed.
Remove the pins from the connector as shown and reinstall them in the opposite side. If you push the stick forward and the motor reverses, this is the problem.