Originally Posted by heavyduty
Welcome to the Bazooka Forum toast. That is correct, when using the FAST System, you do not need to connect to the positive post of the battery terminal (this only applies to the BTA850 and the BTAXX100 line as these Tubes have a minimal current draw). The FAST-9999 and the FAST-BTAH both use 16 gauge wire. Please post back with any questions you may have.
Just for further clarification with the part quoted in the parentheses above, both the BTA850 and BTAXX100 subs DO NOT need to connect directly to the battery
Both subs can simply be installed using the provided FAST harness with wire taps to be correctly installed and retaining the warranty. Basically plug and play.
Sorry for this slightly redundant question but the part quoted in brackets can be viewed 2 ways and I feel this is important considering the warranty could be invalidated if not installed properly.