1997 Mercury Villager LSFACTORY OEM SERVICE PROCEDURE

Single Power Window Switch

Remove single power window switch from door pull cup. Leave switch connected. Turn ignition on. Using voltmeter, measure voltage between ground and indicated wire colors with switch in specified position. See SINGLE POWER WINDOW SWITCH VOLTAGEΒ  table. If switch voltages are not as specified, replace single power window switch.

SINGLE POWER WINDOW SWITCH VOLTAGE

Switch Position Wire Color Voltage
UP Blue/Yellow More Than 10
UP Blue/Orange Less Than 1
Normal Blue/Yellow Less Than 1
Normal Blue/Orange Less Than 1
DOWN Blue/Yellow Less Than 1
DOWN Blue/Orange More Than 10
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.