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Hope someone out there has an idea..... I'm stumped! My Rivarossi Challenger, (new model with can motor in boiler) has run flawlessly up until a day or two ago. I installed DCC in it 9 months ago and modified the tender pickups to provide additional pickup for the engine and eliminated all stalls on switches, etc. However, now when running slowly on an 18" radius curve the engine stalls and shuts down the DCC with a short just as it straightens out coming out of the curve to the right. It is fine going into the curve to the left and runs the curve itself just fine. If I run it at moderate speed, the engine will hesitate and blink its light but continue past its usual slow speed stall point on the track. It will do this with the tender disconnected and with the trailing truck removed also. This engine doesn't miss a beat on a 22" curve. I've rechecked all wiring and connections, repaired any that appeared the slightest bit suspicious and still no change.... All my other engines run the same track flawlessly whether DCC or DC, Diesel or Steam. Help!!!
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