The 2002 GMC sierra speaker size is front door 6-3/4 inches. You will come into problems with the sound. This could be from the stereo's speakers or a phone that is connected to the vehicle. Whatever the source, You will need to have these issues solved quickly. If the issues are from the stereo's speakers, it might be static sounds, randomly turns off, a loose wire, or a blown fuse. If the issues are coming from the phone, it could mean that the software won't update, the device won't sync with the vehicle, the phone's battery is too low, or something is blocking the signal.
Richard B
July 16, 2020
The 2002 gmc sierra speaker size for the front doors is 6-3/4 inches and 4x6 inches for the rear doors.
Melvin J.
April 9, 2020
The front door of the 2002 gmc sierra 1500 uses 6-3/4 inch speakers.
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