GM Service Manual Online
For 1990-2009 cars only

Component

Repair Instruction

Center Speaker

Refer to Radio Front Speaker Replacement

Driver Seat Speaker

Refer to Driver Seat Head Restraint Speaker Replacement

Left Front Door Speaker(Subwoofer)

Refer to Radio Front Side Door Speaker Replacement

Passenger Seat Speaker

Refer to Passenger Seat Head Restraint Speaker Replacement

Right Front Door Speaker (Subwoofer)

Refer to Radio Front Side Door Speaker Replacement