The rear bags have different float sensors/tubes where the bow bag has a flow sensor. Green you can still fill them up, once they turn red, the float...
Its a triducer so its a depth finder, temp sensor and paddlewheel all it one. So while its there not sure if its even functional or not, wired up to...
I think the amps stayed the same on ours but we only added the sub and bow speakers for the option vs the premium package which I think included the...