Find car audio that fits your 1978 GMC K3500 Pickup

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• Universal speaker harness for select 1958-2018 vehicles from Chevrolet, GMC, Buick
• Plugs into factory harness in dash
• Quick and easy installation
• No cutting needed

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

• Car Stereo Installation Trim Plate
• Compatible with select 1973-1991 vehicles from Chevrolet, GMC Vehicles
• Accommodates ISO Single/Double DIN Mount
• Painted to Match Factory Dash Color
• High-Grade ABS Plastic Construction
• Factory Style Texture

• Single-DIN or Dash Kit
• Includes installation instructions

• NVX 3.5" Coaxial Speakers
• Metra Speaker Harnesses
• Plug-n-play Installation

• Kicker 3.5" Coaxial Speakers
• Metra Speaker Harnesses
• Plug-n-play Installation

• Wiring Harness For 1978-1990 GM Vehicles With 12-Pin Factory Radio
• 12 Pin Plugs Into OEM Radio
• Power/4 Speaker
• Can Be Used To Repair Damaged Harness

• Single DIN Digital Media Receiver
• 1-line Digital LED Backlit Display with RGB illumination
• Control music/other apps via iPhone and Android
• 3 sets of 2 volts preamp outputs
• 3-Band Parametric Equalizer
• SiriusXM Satellite Radio Ready
• NFC-compatible for select Android devices
• Built-in amplifier

• 120 watts Peak Each, 35 watts RMS Each
• 1-5/8" Cone tweeters
• Injection Molded Polypropylene Composite cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

• 55W x 4 Chan. MAX / 20W x 4 Chan. RMS
• 3 Sets of Preamp Outputs
• 10-Band EQ10 Eqaualizer
• Dynamic Stage Organizer optimizes the sound stage from your door panel speakers
• Time alignment maximizes music based on where you're seated, adjustable

• Single DIN Bluetooth Digital Multimedia Receiver
• 10.1" TFT Active Matrix Display
• Apple CarPlay (wireless) and Android Auto (wired and wireless) compatible
• 3 sets of 5 volts preamp outputs
• 14-Band Graphic EQ and 8-Band Parametric EQ
• SiriusXM Satellite Radio Ready
• iDatalink Maestro compatible
• Flexible installation in both single and double-DIN dashboards

• Single DIN In-Dash Bluetooth Digital Media Receiver
• 7" Capacitive Touchscreen Display
• Apple CarPlay and Android Auto Compatible
• 3 sets of 4 volts preamp outputs
• Built-in preset EQ

• 150 watts Peak Each, 50 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

• 60 watts Peak Each, 20 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

• Single DIN Bluetooth CD Digital Multimedia Receiver with USB and AUX
• LCD Text Display
• 1 sets of 2.5 volts preamp outputs
• 13-Band Graphic Equalizer with 11 Selectable Presets

• 7" LCD Touchscreen Display
• 45W x 4 Chan. Max, 17W x 4 Chan. RMS
• 3 Sets of 2V Preamp Outputs
• 2-Band Parametric Equalizer
• Built-In Bluetooth

• Single DIN In-Dash Bluetooth Digital Multimedia Receiver
• 10.1" TFT-LCD Display
• Apple CarPlay and Android Auto Compatible
• External GPS antenna included
• 3 sets of 4 volts preamp outputs
• 13 Band Graphic Equalizer
• SiriusXM Satellite Radio Ready
• Built-in HD Radio Tuner

• 120 watts Peak Each, 40 watts RMS Each
• Edge-driven Silk Dome tweeters
• UV-Resistant Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

• 60 watts Peak Each, 30 watts RMS Each
• 1" PEI (Polyetherimide) tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

• Single DIN Bluetooth CD Multimedia Receiver with USB and AUX
• LCD Text Display
• iPhone and Android compatible
• 2 sets of 2.5 volts preamp outputs
• 13-Band Graphic EQ with 11 Selectable Presets
• SiriusXM Satellite Radio Ready