1995 GMC C3500 Truck Heater Fan Control Switch TRQ HCA41496

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In this video, we're going to be working with our 1996 GMC Sierra K1500. We're going to show you how to remove and replace your vehicle's fan speed control switch.

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Here are the items you'll need for this repair: 5.5mm and 7mm socket, ratchet, and socket extensions, flat blade screwdriver

Tilt your steering column to the lowest position. Turn the key to the run position. Our battery is disconnected. This will work either way. Put your foot on the brake and put the gear selector in the lowest position. You can then simply put your fingers behind the dash panel and carefully go around. Open the cup holder a little to get that clip out, and pop all the clips out. You got to scooch it forward and then pop that rear panel over the instrument cluster up, so you can move it around a little. We'll then disconnect all of the electrical connectors behind our dash.

Now this connector is a little tricky. You have this little “T” here on top of the push button. That needs to be depressed to just the right level to sneak it under. It's almost easier to use a flat blade screwdriver, pry it down and back. You can then push down and release the connector from the four-wheel drive selector buttons. Flip the panel out and release the headlight switch connector as well. You can now remove the entire dash panel from the vehicle.

The HVAC control unit simply pops forward and out. Disconnect the connectors. Simply pry up the tab on each side of this connector and then slide that out. Now this HVAC control unit can be replaced as an entire assembly. The only issue you're having is with the heater fan controls. You can simply use a five and a half millimeter socket and a ratchet to remove this bolt here. Simply pry back all of the little hooks securing the switch and slide it out.

Here we have our old heater fan control switch that we remove from our vehicle and our new part from 1AAuto.com.

As you could see, these parts are exactly the same with the same connectors, same mounting pins, and the same pin for the dial on the front. If your heater fan control isn't functioning like it should, this new part from 1A Auto can save you from replacing the entire switch panel assembly and fix you up right. Snap the new switch into place. Reinstall the retainer on the back and tighten up your five and a half millimeter screw with the socket and ratchet.

Reinstall the electrical connections on the heater control panel. Line it up and lock it back into place. Reconnect the electrical connectors. Don't forget to do the headlight switch on the other side. Line the dash back up and pop all of the retainers back into place. Remember to pull the cup holder out because of that lip, and you're good to go.

Thanks for watching. Visit us at 1AAuto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.