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It's obviously ready for the trash pile. Tell you what - just send it to me, and I'll make sure and take care of throwing it away for you... Just kidding... Good luck. It does sound like an electrical problem rather than a mechanical bind. If it were a bind, I'd also look for a short. Does your power pack indicate that it might be shorting at all? If so, it wouldn't move. Then, if your "bump" cleared the short, it would take off. A side rod shorting against a leading or trailing truck might account for the "yipping" around a curve. Good luck! Rob
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