Marine Electronics Questions? Ask a Technician for Answers ASAP
Hi and welcome to JustAnswer,Thank you for the question and your patience. Should you still need assistance for information purposes only...Initially, bear with us; re-confirm and post back with the complete model numbers of the headunit, the Bazooka and the 4 channel 400 amp.
Still, proposed preliminary checks (if have not been done) on the possibility of over/under-voltage issue. With a volt/multi-meter, determine the battery voltage when: