How do you replace the AC control light bulbs on a 04 Chevy silverado and what bulb does it take?

Replacing the AC control panel bulbs in a 2004 Chevy Silverado is a bit tricky and involves removing the entire panel. There's no single "this is the bulb" answer because different years and trim levels might use slightly different bulbs, but they're generally small wedge-base bulbs, often 1.2W or similar low-wattage lamps. You'll need to inspect the bulbs themselves once you have access to them to determine the exact type.

Here's a general procedure; however, always disconnect the negative battery terminal before starting any electrical work.

1. Prepare: Gather small screwdrivers (Phillips and possibly flathead), a bulb replacement tool (optional, but helpful), and a flashlight. Have your replacement bulbs ready.

2. Remove the Bezel: This is the plastic trim surrounding the AC controls. There are usually several small screws holding it in place. You may need to gently pry some parts apart after removing the screws, working carefully to avoid breaking the plastic. Consult a repair manual or online video specific to your Silverado's year and model to see exactly where these screws are located (often hidden behind small trim pieces).

3. Disconnect the Connectors: Once the bezel is removed, you'll see the AC control panel itself. Unplug the electrical connectors carefully. Take photos before disconnecting to ensure you reconnect everything correctly.

4. Remove the AC Control Panel (Often): In some cases, the entire control panel may need to be removed to replace the bulbs. This might involve more screws or clips, and again, reference a repair manual.

5. Access the Bulbs: Once the panel is accessible, you'll see the bulbs. Note their type and orientation before removing them. They are usually pushed in or twisted.

6. Replace the Bulbs: Install the new bulbs, ensuring they are correctly oriented.

7. Reassembly: Carefully reverse the steps to put everything back together. Reconnecting the electrical connectors and screws correctly is crucial.

8. Test: Connect the battery negative terminal and test your AC controls to make sure the new bulbs are working.

Finding Replacement Bulbs:

* Check the old bulbs: The most reliable way to find the right replacement is to check the markings on the old bulbs themselves.

* Auto Parts Stores: Take one of the old bulbs to your local auto parts store. They can help you find the correct replacement.

* Online Retailers: Search online for "AC control panel bulbs [your Silverado's year and model]." Be aware that some sellers might list incorrect bulbs.

Important Considerations:

* Repair Manual: A repair manual specific to your 2004 Chevy Silverado will provide the most accurate and detailed instructions for this task.

* YouTube Videos: Search YouTube for "2004 Chevy Silverado AC control bulb replacement" – many videos demonstrate the process.

* Caution: Work carefully to avoid damaging the plastic parts.

This process can vary slightly depending on the exact trim level and options on your truck. If you're unsure about any step, it's best to consult a professional mechanic to avoid damaging your vehicle.