Yellow Light Check

1996 Ford Pickup F250, 2D Pickup, 4.9 Y, Standard, M5OD-R2SECTION Yellow Light Check
  1. Follow procedure for RED LIGHT CHECK. When ignition switch returns to RUN from START position, Yellow light should stay on for 2 seconds and then turn off. If Yellow light turns back on but does not flash, check for stored trouble codes. See RETRIEVING TROUBLE CODESΒ  . If Yellow light does not turn on, go to TEST A under PRELIMINARY CHECK TESTSΒ  .
  2. Depress brake pedal 1-2 seconds, then release. Yellow light should not flash. If Yellow light begins to flash, go to TEST C under PRELIMINARY CHECK TESTSΒ  .
RENDER: 1.0x

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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.