Display Is Always Hot

1987 Pontiac Firebird Formula, 5.0 H, AutomaticSECTION Display Is Always Hot

Remove connector from coolant temperature sending unit. If display goes to cold, replace coolant temperature sending unit. If display still reads hot, check for short in circuit No. 35 (Dark Green wire). If okay, replace instrument cluster.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.