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Read articles →This is an unedited, in-progress troubleshooting clip from an owner whose LS tractor won't crank with the key. He demonstrates a temporary workaround using a bump starter (like ones sold at Harbor Freight) connected to the solenoid wire, walks through suspected causes (starter solenoid, seat safety switch, PTO), and tests a new solenoid on camera, which turns out not to fix it. Useful mainly for owners facing the exact same no-crank symptom looking for a stopgap fix, not a polished diagnostic guide.
Posted by the Brewdog channel, an owner working through his own tractor's starting problem in real time, unedited and unresolved.
Connect a bump starter's alligator clips to the solenoid wire and main power, run the glow plugs, then turn the key and push the bump start button at the same time.
The owner suspected the solenoid and installed a new one on camera, but it did not fix the no-crank issue, so the cause remains unknown.
The seat safety switch and the PTO switch can both prevent cranking; the owner bypassed the seat switch and made sure the PTO was off.