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Bazooka FAST-1677

GM FAST Harness

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GM 1978 - 1990 FAST Harness • Install Bazooka Amplified Tubes Easily • No Wire Cutting Required

Learn more about the fast1677

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This item has been discontinued


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Description


Bazooka brand icon

Authorized dealer

  • Designed for GM: 1978 - 1990
  • Simple, easy to use plug in adapter for GM Vehicles
  • Install a Bass Tube in most cars in under 30 minutes
  • Innovative T-harness system integrate into the vast majority of OE systems out there
  • F.A.S.T. - Factory Auto Sound T-Harness
  • Typical install takes just 25 minutes
  • No more splicing wires, no warranty concerns, no wiring headaches! Just plug it in, and you’re done!
  • Designed to connect to OE radios in MOST** GM Vehicles from 1978 to 1990
  • **Not for use with OE Infinity systems
  • THE BTAH IS REQUIRED TO COMPLETE INSTALLATION OF AN AMPLIFIED BASS TUBE
  • No warranty

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Item Details


Manufacturer:

Model Number:

FAST-1677

Weight:

0.90lbs

Internal SKU:

fast1677

Internal Product ID:

5321

Customer Ratings & Reviews


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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.