Fast Universal Harness


Availability: In stock


  • Universal harness for FAST secure connection to your OEM wire harness

  • Easy installation typically takes less than 30 minutes

  • No splicing required



Can’t find a vehicle specific FAST harness, but want a quick and easy installation? The FAST-9999 has you covered! It’s a universal harness that uses a universal connector for making FAST secure connections to your OEM wire harness.

This universal harness allows you to install a bass tube in most cars in under 30 minutes. Its innovative T-harness system allows you to integrate the majority of OEM systems. To use, simply choose the adapter plug to fit your application, pick up a BTAH extension cable and a Bazooka, and get to it! No splicing required.

  • The BTAH is required to complete the installation of an amplified bass tube 
  • Not compatible with BTAx200, BTAx250D, RSA, RSA-hp or CS8A5 Bass Tubes

Support Materials

Installation Instructions


  • MPN FAST-9999


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