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Message: <blockquote data-quote="professorbolin" data-source="post: 55397" data-attributes="member: 5595"><p>I have a bobcat 632 with the ford industrial gas motor in it. I purchased a Bosch 16405 starter for it. I bench tested the starter by connecting a negative battery cable to a ground clamp on the front bolt mounting hole. I then placed the positive on the positive pole of the starter with the nut. I jumped the connectors and the bendix engaged, spun the motor over , and only when I released the jumper did the starter stop as it is suppost to. I then put it on the bobcat connected it, and test jumped it with a test wire to see if it was all good. When I took the jumper wire off it still cranked and cranked until I pulled the battery terminal off. when it was cranking, same as the bench test I only had the negative to the bolt hole, and the positive to the positive of the starter no other wires. I thought it was binding, so I shimmed it a half dozen test times and each time it ran away till the battery was disconnected. why does it only run away while bolted to the bobcat and not while bench testing?</p></blockquote><p></p>