Headlights Tail and Brake Lights
Chevy Corsica
1995-2005 Chevy Cavaliers

How do you replace the bright dimmer switch on a 1993 Chevy Corsica?


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2015-07-15 21:25:34
2015-07-15 21:25:34

Hi to whoever posted this question!

Now Im not sure if the '93 is just like the '94, however, the dimmer switch on the '94 Corsica is located on the lower end of the steering column, under the lower half of the center support bracket. There is a rod the works it that is attached to the turn signal/dimmer switch lever. Heres how to replace the '94 model's dimmer.

1) Disconnect the battery. 2) Tilt the wheel up (if its a tilt model). Move the seat back, then remove the upper and lower dash panels to reveal the entire steering column. 3) The dimmer is a white plastic switch with a two hole metal mounting bracket. Its located on the lower end of the steering column, under the lower half of the center support bracket. 4) Disconnect the wire harness to the dimmer by pressing in on the two retaining clips (plastic) on each side of the harness connector. Gently pull the connector out. 5) Loosen the two 2" bolts (silver) that hold the center support bracket to the dashboard but don't remove them all the way. This should give clearance to work. 6) The dimmer's bottom-most (toward firewall) mounting bolt is actually a small stud with a 3/8" nut. The top-most bolt is a 5/16" cap screw. Remove both. Remove the old dimmer. 7) The new dimmer will have a "retaining clip" to hold the switch in a neutral position during shipping. Remove it. 8) Hook the new dimmer assy on the stud and align the upper bolt in the hole, then attach the lower nut. 9) The bracket holes are slotted and you need to align the rod in the hole of the switch, then slide the switch up toward the steering wheel to remove all the slack in the rod. Tighten both bolts. 10) Reconnect the wire harness and then the battery cables. TEST the dimmer function before you button the dash up! You may have to adjust the slack slightly. 11) Replace the dash panels. Pat yourself on the back.

Mark (c:

or you could just pull it out and sav e bunch of effort and time


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On my 89 Corsica switch on column under dash and may be difficult to replace without lowering column. I unplugged old switch, plugged in new switch, set it to dim and wired it to column so now only have dim lights so this might work for you as I believe Berretta and Corsica the same for this.

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