1997 Ford Probe Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Test D: All Door Locks Operate From One Switch Only

WARNING: This page is about a different car, the 1997 Mercury Tracer and 1997 Ford Escort. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect inoperative door lock switch. Test door lock switch. See DOOR LOCK SWITCH TESTΒ  under COMPONENT TESTS. If left door lock switch is inoperative, go to next step. If right door lock switch is inoperative, go to step 3). If switch is not okay, replace switch.
  2. Measure resistance between ground and master window/door lock switch harness connector Black wire. See Fig 1 . Resistance should be less than 5 ohms. If resistance is less than 5 ohms, repair Blue or Gray wire between master window/door lock switch harness connector and door lock relay connector. See WIRING DIAGRAMΒ  . If resistance is not less than 5 ohms, repair Black wire between master window/door lock switch harness connector and ground.
  3. Measure resistance between ground and right window/door lock switch harness connector Black wire. See Fig 2 . Resistance should be less than 5 ohms. If resistance is less than 5 ohms, repair Blue or Gray wire between right window/door lock switch harness connector and door lock relay connector. See WIRING DIAGRAMΒ  . If resistance is not less than 5 ohms, repair Black wire between right window/door lock switch harness connector and ground.
Fig 1: Testing Master Window/Door Lock Switch Connector Ground
G97J28067Courtesy of FORD MOTOR CO.
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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.