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7 Posts
I left work today, speedometer not working and no over drive. I have had problems before with no od but not the speedo. I fixed the plug to the tps (info from this site) and have been shifting into od just fine. This came out of nowhere. It did one other time but the speedo came right back. '92 250 cummins auto, 358,0000 miles and runnin strong. Any help appreciated!!