1997 Mercury Villager LSFACTORY OEM SERVICE PROCEDURE

Power Window Master Switch

Disconnect power window master switch. Using ohmmeter, measure resistance between indicated terminals with switch in specified position. See POWER WINDOW MASTER SWITCH RESISTANCEΒ  table. If switch resistance is not as specified, replace power window master switch.

POWER WINDOW MASTER SWITCH RESISTANCE

Switch & Position Terminals No. Resistance (Ohms)
Left Window Switch
UP 9 & 5 Less Than 5
DOWN 9 & 6 Less Than 5
Right Window Switch
UP 7 & 8 Less Than 5
UP 10 & 3 Less Than 5
DOWN 10 & 8 Less Than 5
DOWN 7 & 3 Less Than 5
Lock-Out Switch (OFF) 10 & 3 Less Than 5
Fig 1: Identifying Power Window Master Switch Terminals
G96E01676Courtesy 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.