1997 Ford Probe Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Master Switch

WARNING: This page is about a different car, the 1997 Lincoln Mark VIII. However, it is still accessible from the selected car via links, so may be relevant.

Remove master switch from vehicle. Measure resistance between specified terminals while operating switch. See MASTER SWITCH TESTING TABLE. Replace switch if resistance between specified terminals is greater than 5 ohms. DO NOT check resistance between terminals not specified. See Fig 1 and Fig 2 .

MASTER SWITCH TESTING

Switch Position Continuity Between Connector - Terminal No.
Neutral C1-3 & C2-3; C1-2 & C2-3; C2-2 & C2-3; C2-1 & C2-3; C2-4 & C2-5
Left
Up C1-2 & C1-4; C1-3 & C2-3
Down C1-3 & C1-4; C1-2 & C2-3
Right
Up C2-1 & C1-4; C2-2 & C2-3
Down C2-2 & C1-4; C2-1 & C2-3
Fig 1: Identifying Master Switch Test Terminals Connector C1
G97F28188Courtesy 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.