upgrade stereo in 2004 34PC -- Subwoofer

[Tonkacruiser]

Anyone have experience in adding a sub to this model?

Where did you place the sub?
under helm seat?

How did you run wires back to amp?

 

[jt239]

Yes - you should have a factory amp behind the seat below the stereo. Replaced with new JL amp in same location. Ran new power/ground wires with heavier gauge.