The New Holland part 86550683 is an electronic instrument cluster used on a range of skid‑steer loader models (L465–LX985). Typical failure modes include loss of all indicator lights or a single light due to a blown fuse, cracked display glass, or a shorted backplane; intermittent operation often points to loose 11‑pin/4‑pin connectors or degraded solder joints on the control board. Begin by verifying that the cluster receives its rated 24 V DC supply and checking for any visible damage or corrosion on the connector pins. Inspect the internal PCB for burnt components, then test the display module with a multimeter to confirm continuity of the backplane traces before proceeding to component replacement.[oss-gpt-20b]