1990 Ford Probe GL, AutomaticFACTORY OEM SERVICE PROCEDURE

Fuel Pump Relay

Remove relay from vehicle. Connect battery voltage to terminal "C". Ground terminal "D". See Fig 1 . Measure resistance between terminals "A" and "B". Resistance should be less than one ohm with power applied and greater than 10 k/ohms with power removed.

Fig 1: Fuel Pump Relay Check
G90C14326Courtesy of FORD MOTOR CO.
Factory Service Tools

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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.

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