TMCC connection

Please refer to the 2 previous pictures.
All of my other engines are working  great with my TMCC system. The above engine stalls and blinks on different parts of my layout. I do have an overhead rail in one spot, but this occurs away from that area. I located the rectangular bronze colored strip on the inside cab roof, but all wires look fine. Should I try touching the solder joint where the wires connect to the strip with a solder gun?

I know I can turn the Bluetooth switch back on and operate with the orange Lionel remote, but prefer to use TMCC.

That is an LCP2 AKA Lionchief Plus 2 board. Yes, in your case, the board is programmed with Legacy firmware and thus Legacy function.

#1 These newer legacy systems will not tolerate large voltage fluctuations on your layout and will throw a motor locked blinking cab code. This is motor stall as it thinks the motor is jammed when in cannot maintain the commanded RPM as read by the tachometer. I'm just saying- you think you have a signal problem when you might have a power problem.

#2 The TMCC radio receiver daughter card is an edge soldered contact right angle board into the mainboard. This is an EXTREMELY fragile connection and cracks or rips of the traces can happen if any force is applied when unplugging or plugging in the TMCC/legacy Antenna connector to the LCP2 board stack.

Just trying to give you fair warning since you opened the shell- I cannot stress enough this is one quick way to ruin an LCP2 board stack.

I will try to make sure I have 18 volts every where.

After that, I’m back to the Orange Bluetooth controller.

Shell has been placed back on engine.  Could be electrical glitch as suggested, but maybe this unit is more susceptible to upper level interference, even if it’s not directly under it.

ESD grounding wire will be installed this week. I don’t think it will hurt.