GM 26100985 Switch,Turn Signal & Headlamp Dimmer Switch & Windshield Wiper & Windshield Washer(W/Lever)

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Detach the cable from the negative battery terminal. Remove the trim panel or instrument cluster bezel and detach the electrical connector. Remove the screws and lift the switch housing out of the trim panel or cluster bezel. Use a small screwdriver to release the clips and withdraw the switch from the opening. Place the switch in position, then press in until the clips engage. Install the trim panel or instrument cluster bezel.

In 1988 through 1994 models, start by disconnecting the negative battery cable, and for models with a Delco Loc II anti-theft audio system, ensure the lockout feature is off. Remove the instrument cluster trim panel retaining screws, disconnect electrical connectors behind the light switch, and remove the panel. Take out the light switch retaining screws and lift the switch from the trim panel. To reinstall, ensure the grounding ring is in place. For the headlight dimmer switch, remove the steering column support bracket bolts and nuts, lower the steering column, disconnect the dimmer switch electrical connector, and remove the retaining bolts. In the case of the park/neutral switch/back-up light switch for automatic transmission. For the windshield wiper/washer switch, remove the steering wheel, compress the locking plate, remove the clip retaining it to the steering column, and proceed with the disassembly steps. Disconnect the handle from the windshield wiper switch and drive the pin through the switch housing to remove it. Reinstallation is the reverse of removal. For the ignition switch, disconnect the negative battery cable, place the ignition switch in the Lock position, and lower the steering column. Remove the ignition switch retaining screws, lift the switch out, and reconnect the actuating rod before reinstalling it. To remove the Turn Signal Switch and key lock cylinder. In 1995 and later models, start by removing the steering wheel and the steering column cover. Remove the Torx-head bolt, unplug the electrical connector, and lift off the Turn Signal Switch. Installation is the reverse of removal. If needed, center the airbag coil by removing it, turning it over, depressing the spring lock, rotating the hub as instructed, and releasing the spring lock. Finally, install the wave washer and the airbag coil, ensuring the lower wiring harness is taut to prevent damage when turning the steering wheel.

Start by disconnecting the cable from the negative battery terminal to remove and replace a switch in a vehicle. The next step is removing either the trim panel or instrument cluster bezel, then disconnecting the electrical connector. Thereafter, unscrew it and lift up the switch housing from the trim panel or cluster bezels. A small screwdriver can be used to unlock the clips; otherwise bring out the screwdrivers if they are there. This done, transfer to put new switch on its place and press it until clips lock into position alternatively fix any screws if required instead of that. Finally, re-install the trim panel or instrument cluster bezel.

To work with the windshield wiper/washer switch on 1988 through 1994 models, remove the steering wheel, compress the locking plate, remove the clip retaining it to the steering column, and proceed with the disassembly steps. Disconnect the handle from the windshield wiper switch and drive the pin through the switch housing to remove it. Reinstallation is the reverse of removal.

To remove and install the ignition switch on 1988 through 1994 models, disconnect the negative battery cable, place the ignition switch in the Lock position, and lower the steering column. Remove the ignition switch retaining screws, lift the switch out, and reconnect the actuating rod before reinstalling it.

To work with the windshield wiper/washer switch on 1988 through 1994 models, remove the steering wheel, compress the locking plate, remove the clip retaining it to the steering column, and proceed with the disassembly steps. Disconnect the handle from the windshield wiper switch and drive the pin through the switch housing to remove it. Reinstallation is the reverse of removal.

The procedure for dealing with the park/neutral switch/back-up light switch for automatic transmission on 1988 through 1994 models should be included in your question as it is not present in the provided text.

On 1995 and later models, when working with the steering column switches, start by removing the steering wheel and the steering column cover. Remove the Torx-head bolt, unplug the electrical connector, and lift off the turn signal switch. Installation is the reverse of removal. If needed, center the airbag coil by removing it, turning it over, depressing the spring lock, rotating the hub as instructed, and releasing the spring lock. Finally, install the wave washer and the airbag coil, ensuring the lower wiring harness is taut to prevent damage when turning the steering wheel.

To work on 1988 through 1994 models when dealing with the instrument cluster trim panel and light switch, start by disconnecting the negative battery cable. For models with a Delco Loc II anti-theft audio system, ensure the lockout feature is off. Remove the instrument cluster trim panel retaining screws, disconnect electrical connectors behind the light switch, and remove the panel. Take out the light switch retaining screws and lift the switch from the trim panel. To reinstall, ensure the grounding ring is in place.

To remove the headlight dimmer switch on 1988 through 1994 models, you should remove the steering column support bracket bolts and nuts, lower the steering column, disconnect the dimmer switch electrical connector, and remove the retaining bolts.

After removing the trim panel or instrument cluster bezel, you should remove the screws and lift the switch housing out of the trim panel or cluster bezel.

Re-install the trim panel or instrument cluster bezel.

After removing the trim panel or instrument cluster bezel, you should remove the screws and lift the switch housing out of the trim panel or cluster bezel.

Use a small screwdriver to release the clips and withdraw the switch from the opening, or remove any screws if applicable.