GM 7844704 Switch,Wiper Pulse,Dimmer Pivot

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To remove the wiper switch on 1975-77 models, insert one or two narrow bladed screw drivers into each of the two slots within the switch face immediately above the knobs and bend the retaining clips downward or break them off, then rotate the top of the switch outward to remove. For 1978-81 models, remove the headlight switch knob and escutcheon, the left 1/P trim plate, and the two retaining screws, then remove the switch. For 1982-87 models, disconnect the negative battery cable, disconnect the turn signal electrical harness at the base of the steering column jacket, remove the wiring protector on the bottom of the column to ease the wiring harness removal, and grasp the lever assembly firmly, and pull straight out. Installation is the reverse of removal.

Disconnect the negative battery terminal. Remove the steering column trim cover from the underside of the dash. Disconnect the turn signal switch lead and windshield wiper switch lead extending from the steering column from the wiring harness. Disconnect the back-up light switch lead from its switch. Disconnect the shift indicator cable by prying the clip from the shift bowl. Remove the 3 bolts and 1 nut that secure the steering column to its support and lower the column. Be careful not to damage the shift cable or remaining electrical harnesses. Disconnect the wiring lead from the dimmer switch. To remove the dimmer switch, remove the nut from the forward end of the dimmer switch bracket and the screw from the rear end that secures the switch to the column. Place the new dimmer switch in position, taking care to line it up with the actuator rod. Pull the turn signal/dimmer lever forward and push the dimmer switch toward the steering wheel until it clicks. Then back it off about 3/16-in (5 mm) to allow for play and tighten it down. Connect the wiring lead to the dimmer switch. Complete the installation by reversing the removal procedure described in paragraphs 1 through 6. Note: When reattaching the shift indicator cable clip to the shift bowl, place the shift lever in the 'Neutral' position, then position the clip on the edge of the bowl so that the shift indicator pointer is pointing to the 'N'. Push the clip onto the bowl to secure it.

To disconnect the negative battery cable, remove the instrument panel bezel, disconnect the wiring at the steering column, and remove the wiper switch. To reinstall, follow the reverse order of the removal procedure.

Remove the headlight switch knob and escutcheon, the left I/P trim plate, and the two retaining screws, then remove the switch.

Pull the switch knob to the last notch and depress the spring-loaded latch button on top of the switch while pulling the knob and rod out of the switch.

Remove the screws securing the headlight switch in place. Disconnect the multiple electrical harness from the switch, and remove.

To reinstall the negative battery cable, you should follow the reverse order of the removal procedure.

To disconnect the negative battery cable, you need to remove the instrument panel bezel and the headlight switch ferrule nut.

To reinstall the negative battery cable, you should follow the reverse order of the removal procedure.

After disconnecting the switch from its wiring connector, you should remove it from the instrument panel.

Disconnect the negative battery cable and remove the cluster pad assembly. Then, remove the retaining screws and pull away the switch.

Remove the nut from the forward end of the dimmer switch bracket and the screw from the rear end that secures the switch to the column.

Pull the turn signal/dimmer lever forward and push the dimmer switch toward the steering wheel until it clicks. Then back it off about 3/16-in (5 mm) to allow for play and tighten it down.

To reinstall the switch, you need to follow the reverse of the removal procedure.