Dimmer switch removal

Tiny
BOB%
  • MEMBER
  • 1985 CHEVROLET CORVETTE
  • 5.7L
  • V8
  • 2WD
  • MANUAL
  • 101,000 MILES
I need to know how to remove the dimmer switch (on column). I already have the steering column lowered, but I cannot determine how to remove the dimmer switch so I have easier access to the ignition switch which I will replace.
Friday, August 10th, 2018 AT 3:49 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon.

The switch is attached to the column and the ignition switch with two bolts. Remove the electrical connector, the two screws and then carefully lower it and be careful of the rod that operates it.

Roy

1. Disconnect battery ground cable.
2. Remove instrument panel lower trim and on models with A/C, remove A/C duct extension at column.
3. Disconnect shift indicator from column and remove toe-plate cover screws.
4. Remove two nuts from instrument panel support bracket studs and lower steering column, resting steering wheel on front seat.
5. Remove dimmer switch retaining screws and the switch. Tape actuator rod to column and separate switch from rod.
6. Reverse procedure to install. To adjust switch, depress dimmer switch slightly and install a 3/32 inch twist drill to lock the switch to the body, Fig. 9. Force switch upward to remove lash between switch and pivot. Torque switch retaining screw to 35 inch lbs. And remove tape from actuator rod. Remove twist drill and check for proper operation.
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Friday, August 10th, 2018 AT 4:08 PM

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