W-Body Car Audio

GMC Sierra Pickup Car Audio

1988-1994 GMC Sierra Car Audio Accessories

• Radio Wire Harness Adapter:
  • Metra 70-1677-1 (1988 and 1989)
  • Metra 70-1858 (1990 through 1994)
• Dash Kit:
  • Metra 99-3000 (Black)
  • Metra 99-3000B (Blue)
  • Metra 99-3000BG (Beige)
  • Metra 99-3000BR (Brown)
  • Metra 99-3000G (Gray)
  • Metra 99-3000R (Red)
• Antenna Adapter: Metra 40-GM10
• Speaker Harness: Metra 72-4500
• Front Speakers: 4x6" (Dash)
• Rear Speakers: 4x6" (Behind Rear Seat)

1995-2002 GMC Sierra Car Audio Accessories

• Radio Wire Harness Adapter: Metra 70-1858
• On-star Pre-amp adapter: Metra 70-2006 (1999-2002 Vehicles)
• Dash Kit: Metra 99-3002
• Antenna Adapter: Metra 40-GM10
• Speaker Harness: Metra 72-4568
• Front Speakers: 6.5" (Front Door)
• Rear Speakers: 4x6" (Behind rear seat or in rear door in Extended Cab/Club Cab models)

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