2018 Gmc Sierra Speaker Wiring Diagram

By | July 18, 2022



2018 GMC Sierra Speaker Wiring Diagram: All the Details You Need To Know

Are you looking for a 2018 GMC Sierra speaker wiring diagram? Well, you’ve come to the right place. We’ll provide you with all the details you need to know about the wiring diagram for this popular pickup truck.

GMC built the Sierra with a wide range of audio choices, including a premium Bose system and a standard six-speaker system. While both systems offer great sound quality, getting the most from your speakers requires understanding the speaker wiring diagram. In this article, we’ll take you through the steps of installing your GMC Sierra speakers and the necessary wiring diagrams.

First, you need to identify which type of speakers are in your truck. If you have the Bose system, you will need two 4-Ohm woofers, two 6-ohm tweeters, and one 6-ohm center speaker. If you have the standard stereo, you will only need two 6-ohm speakers that require separate wiring connections. After identifying the type of speakers, you can find the corresponding wiring diagram.

Once you’ve identified the speakers and the wiring diagram, it’s time to start connecting the wires. For the Bose system, the red positive wires for each speaker should be connected to the output terminals of the amplifier. The black negative wires should be connected to the ground terminal of the amplifier. Finally, the white wire from each speaker should be connected to the signal wire of the amplifier. For the standard system, the white wire from each speaker should be connected to the same side of the amplifier’s signal input. The black wire should be connected to the opposite side of the signal input.

Once all the connections have been made for your 2018 GMC Sierra speaker wiring diagram, you can begin enjoying your music. Remember to always double check your connections to ensure they are secure and you don’t have any shorts or exposed wires. Now that you have the wiring diagram and know how to install your GMC Sierra speakers, you can enjoy the high-quality sound that comes from your truck.


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