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The Genuine OEM Dash A/C Heater Control 84963890 is specifically tailored for 2020-2023 GMC Sierra 2500 and 3500 models. This control unit manages the vehicle's air conditioning and heating systems directly from the dashboard, allowing the driver and passengers to adjust cabin temperature and airflow for optimal comfort. Originating from the OEM manufacturer's packaging, this component mirrors the part available at new car dealerships, distinguishing itself from any aftermarket alternatives.
Installation Instructions
Tools Needed: - Flathead screwdriver - Phillips head screwdriver - Panel removal tool
1. Ensure the vehicle is turned off and the key is removed from the ignition.
2. Using the panel removal tool, gently pry off the dashboard trim that surrounds the A/C heater control unit.
3. With the trim removed, locate and unscrew any screws securing the old A/C heater control unit in place using the Phillips head screwdriver.
4. Carefully pull the old control unit forward to expose its rear connectors.
5. Disconnect the wiring harnesses attached to the back of the old control unit.
6. Position the new Genuine OEM Dash A/C Heater Control 84963890 in place and connect the wiring harnesses to the respective connectors on its rear.
7. Push the new control unit into its designated slot in the dashboard and secure it with the previously removed screws.
8. Realign the dashboard trim around the A/C heater control unit and press it into place until it clicks securely.
9. Turn on the vehicle and test the new control unit's functions to ensure proper operation.
Time Required: Approximately 1 hour
Skill Level: Intermediate
Vehicle Fitment
| Year | Make | Model |
|---|---|---|
| 2020-2023 | GMC | Sierra 2500 |
| 2020-2023 | GMC | Sierra 3500 |
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EASY NO HASSLE RETURN INFORMATION
Simply return your part in the exact same condition and packaging that you received it in within 30 days for a full refund of the purchase price of the part, minus the original shipping charges. You don't even have to contact us. Just be sure the read the requirements below and follow the instructions at the bottom of this page.
WHAT CAN NOT BE RETURNED:
Any part that does not have all of the original packaging with the attached manufacturer part number label.
Believe it or not, this is super important! Don't throw away the packaging. Manufacturers won't accept returns on a part without the genuine OEM Packaging, so we won't be able to credit you. (Even if the part is brand new with no packaging, we would have to return it to you).
WE ALSO CANNOT ACCEPT YOUR RETURN IF:
You have installed or attempted to install or disassemble the part
You have painted the part.
You have broken the part.
You have lost the original packaging.
You have gotten the part wet, or the part has greasy fingerprints.
ELECTRICAL PARTS.
Electrical parts can only be returned if they have not been installed, programmed, or plugged in. If the part shows signs, of an attempted install we will be unable to accept your return.
An electrical part is any part that plugs in, contains a switch, sensor, circuit board, or electrical wiring.
All Products are. covered by a 1-year Warranty.
Our Warranty Coverage
We will replace the parts free of charge for any reason not caused by collision or installation, other human intervention, incorrect application, modifications, use of the products outside the context of its normal, customary, and intended operating conditions (including without limitation, any form of commercial, fleet, rental or off-road use), or physical damage for 1 year and only for the vehicle in which the part was originally installed.
One Time replacement.
Warranty Covers only one replacement in the warranty period. Multiple Replacements are not covered, after one replacement warranty will no longer be in effect.
Warranty Is nontransferable and is only valid for the VIN number of the vehicle for which it was purchased. Warranty does not transfer to the new owner of the item purchased or the vehicle purchased with the item installed.