Ive got front back and sub hooked up on tuner the fronts backs and subs work great on cd all i get is sub can you help just in case its a kenwood kdc mp428 thanks a bunch
Make sure that when you hooked up your 4 channel amp to the remote turn on lead it is the same as the sub. Only hook amps to the Blue w/ white strip. The solid blue is power antenna lead and will lose power when on CD, ipod etc and only stays powered when the Tuner is on. Hope this fixes your problem.
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