Reply to "Loss of Serial Signal?"

William ChurchOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

With the help of the diagrams I was able to trace the backup light to the engine's motherboard harness at which point I applied power to the yellow wire and the backup light illuminated so I appears that the circuit from the mother board to the lamp is fine. I swapped out the R2LC radio board with a known good spare and the problem persisted. So since I have power to the motherboard, the R2LC is good and the harness wiring is fine that seems to only leaves the motherboard as the culprit. I ordered a replacement from Lionel and when it gets here I'll post my progress.

I want to thank you fellows for your support. I took on this project and a William's Train Master Command upgrade as a means to learn more about Command Control. It's been frustrating at times but I've learned a lot!

2/26/2111:07 AM

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