Nnbs tahoe big 3

[1dirtylowhoe]

For all you guys with the nnbs tahoe do i add to the factory wires that are there , or do i replace them with 1/0

[Guest]

add.

[1dirtylowhoe]

What about the one that goes through the sensor

[08tahoe]

You can add to the positive but completley replace the 2 gauge negative that runs through the sensor with 1/0.