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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
743 fuse keeps blowing
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<blockquote data-quote="mmsllc" data-source="post: 91078" data-attributes="member: 13117"><p>If the machine only started blowing fuses after the repair, then I would suggest checking all wiring in the immediate area where that u-joint flew apart for exposed wires, or wires that have become pinched together. Assuming that everything there checks out, I would then suggest re-viewing ALL wires (& harnesses) that were taken apart so the engine could be removed. (Those areas would include any "pinch points" such as the cab pivot / hinge area, rear door hinge area & rear door latch area.) If all else fails, unhook everything that connects to the engine, except your battery connections & wiring coming from it, then replace the fuse again to see if it blows. IF it DOES blow immediately, then you have a problem with the wiring that hooks up to the gauge functions (such as the engine coolant temp sensor, fuel level sensor, fuel shut-down solenoid or starter solenoid trigger wire, or key switch) hooked up to power (+) instead ground (-). IF it DOES NOT blow then it was (MOST LIKELY) hooked up to the engine incorrectly & keeps blowing the fuse to protect that circuit. (Doing the diagnostics this way will help rule out the cab area from the engine area & will speed up the repair time, too.) I am guessing the engine side of the harness is where you will most likely find the issue after you do some more double-checking. I hope this helps point you into a direction of finding it.</p></blockquote><p></p>
[QUOTE="mmsllc, post: 91078, member: 13117"] If the machine only started blowing fuses after the repair, then I would suggest checking all wiring in the immediate area where that u-joint flew apart for exposed wires, or wires that have become pinched together. Assuming that everything there checks out, I would then suggest re-viewing ALL wires (& harnesses) that were taken apart so the engine could be removed. (Those areas would include any "pinch points" such as the cab pivot / hinge area, rear door hinge area & rear door latch area.) If all else fails, unhook everything that connects to the engine, except your battery connections & wiring coming from it, then replace the fuse again to see if it blows. IF it DOES blow immediately, then you have a problem with the wiring that hooks up to the gauge functions (such as the engine coolant temp sensor, fuel level sensor, fuel shut-down solenoid or starter solenoid trigger wire, or key switch) hooked up to power (+) instead ground (-). IF it DOES NOT blow then it was (MOST LIKELY) hooked up to the engine incorrectly & keeps blowing the fuse to protect that circuit. (Doing the diagnostics this way will help rule out the cab area from the engine area & will speed up the repair time, too.) I am guessing the engine side of the harness is where you will most likely find the issue after you do some more double-checking. I hope this helps point you into a direction of finding it. [/QUOTE]
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Bobcat Skidsteer Forums
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743 fuse keeps blowing
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