Bobcat 90526 6683608 is a joystick control module used in the T‑300 skid‑steer loader family. Common failures on this unit include loss of power to the joystick circuitry (often due to blown fuses or degraded power supply contacts), burnt or cracked traces from over‑current events, and intermittent signal loss caused by worn connector pins or faulty relays. The module also frequently exhibits shorted output lines when hydraulic pressure spikes occur, leading to erratic machine behavior. First‑check diagnostics: verify 24 V DC input voltage and continuity of the power supply rails; inspect all connector pins for corrosion or damage; review any error codes logged by the machine’s diagnostic port for indications of relay or contactor faults.[oss-gpt-20b]