Check the listing for details. 88-94 Chevy-GMC Truck Radio BLUETOOTH CDM Module Amp BASS/TREBLE Receiver Tuner. Color: Silver, Condition: Seller refurbished. Listed at 229.99 USD. This item is a CDM module amplifier for BASS/TREBLE three piece truck radio in the 1988-1994 Chevrolet and GMC. It has be updated with Bluetooth to listen to music. The radio will switch to the Bluetooth signal with a toggle switch mounted on a 3ft cable. This Bluetooth module cannot take phone calls because it does not have a microphone. Condition is refurbished with new capacitors. It is tested and in excellent working condition. NOT for Bose or 5 EQ radios. Shipped with USPS Priority Mail. FITS: 88-94 Chevy pickup, Tahoe, GMC pickup, Sierra GM part number: 16172115 GM interchange part number: 16147075, 16141203, 16169551, 16169996, 16208545 Listing does NOT include: hands free cord, radio head unit, wiring, cassette player or mounting bracket. Only the item shown is included.This item is a CDM module amplifier for BASS/TREBLE three piece truck radio in the 1988-1994 Chevrolet and GMC. It has be updated with Bluetooth to listen to music. The radio will switch to the Bluetooth signal with a toggle switch mounted on a 3ft cable. This Bluetooth module cannot take phone calls because it does not have a microphone. Condition is refurbished with new capacitors. It is tested and in excellent working condition. NOT for Bose or 5 EQ radios. Shipped with USPS Priority Mail. FITS: 88-94 Chevy pickup, Tahoe, GMC pickup, Sierra GM part number: 16172115 GM interchange part number: 16147075, 16141203, 16169551, 16169996, 16208545 Listing does NOT include: hands free cord, radio head unit, wiring, cassette player or mounting bracket. Only the item shown is included.