Hello all,
I have installed a ERR Cruise Commander with LED lighting in old PS1 MTH engine. Here is my issues. Somtime the engine runs perfect, other time it will be running and then just take off on full speed. Once in a great while it will run slower than the Legacy setting. Anytime it does the 2 wrong things stopping the engine without a power reset it will function normal again. I do run it in TMCC Mode, any ideas
Thanks
Todd
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Todd,
Make sure you have the antenna plugged in.
Are any of the old PS1 components still there? All you should need is the motor.
Here's a drawing of the AC/DC Commander, I think you should be able to figure out where the Cruise Commander wiring should be:
The Cruise Commander manual is also available on ERR's website.
Running normal and then taking off doesn't sound right, that's for sure. Since the Cruise Commander works off back-EMF from the motor, and it doesn't have a tach reader on the flywheel, that behavior sounds like you have wiring issues or a bad Cruise Commander.
One thing to check is if it's somehow dropping into conventional mode, it would run at full speed with 18 volts on the track.
Seems like the cruise board to me. If you have another radio board to swap, try it. You will probably find its the cruise.
Bill
Bill, that would be my top suspect, but I figured checking the wiring and connections can't be all bad. 
Thanks Guys, and Bob the only thing in the chassis was the motors
Todd
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