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Message: <blockquote data-quote="pete_rock" data-source="post: 89214" data-attributes="member: 12850"><p>Hello. I also have a Bobcat 743 with a bad hour meter. These are the steps that I took to get it working: 1. Put 12 Volts DC across the leads of the hour meter and it began working. 2. Used a multimeter and tested positive connector (+) of hour meter and got 12 Volts. 3. Tested the negative side (-) of hour meter and didn't get a good ground (floating) 4. Disconnect positive terminal from battery. 5. Used a wire toner, hooked to negative lead of hour meter and began following wire back to where it fails. Wire ended up under the cab. Toner showed the wire toned out on one side of connector, but lost continuity on the other side of connector. This is the wire that goes to the pressure sender. Problem ended up being the male lead broke off in the female connector on the harness. Se photo of broken connector at top right. https://app.box.com/shared/static/fw80axmeh2fnaue3av3lh405uk5abnhx.jpg I ended up creating new wire harness connectors using a Deutsch brand designed for Heavy Duty equipment. Note: It seems like one harness under the cab is all 14 Gauge (AWG) wire and the other harness has a mix of 12 and 14 Gauge wire. Peter</p></blockquote><p></p>