Dimmer Switch: Installation

1982 Mercury Capri L, 3.3L Eng VIN BSECTION Installation
  1. Install switch onto actuator rod. Install switch onto steering column Remove tape from actuator rod.
  2. Adjust switch by depressing lightly and inserting a 3/32" drill bit through hole in switch bracket. Move switch upward on steering column to remove lash from actuator rod, Tighten switch attaching screws and remove drill bit. Reconnect wiring harness to switch.
  3. Check operation of switch (full up, center and full down wheel position, if equipped with tilt wheel). Install tube cover, lower finish panel and package tray. Reconnect battery ground cable.


  1. Firmly push rod into switch. Compress switch until drill shank can be inserted through alignment hole.
  2. Reposition upper end of wash/wipe switch. With a light rearward pressure on switch, install attaching screws and remove drill bit.


  1. Align switch mounting holes with holes on column and install screws. Install dimmer switch lever by aligning key-way in switch with key-way in lever.
  2. Push lever into switch to full engagement. Install electrical connections and trim shroud.


  1. Position switch on steering column and loosely install bolts. Install electrical connections. Insert 3/32" drill through locating hole securing dimmer switch to connector body.
  2. Slide dimmer switch so that it firmly contacts actuator arm and tighten bolts.
RENDER: 1.0x

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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.