I have a 2004 dodge ram 1500 regular cab with the 7 speaker infinity sound and recently replaced the 5.25 speakers in the rear and 6 by 9's in the doors, both are two way speakers and the 5.25's put out the mid and tweet but the 6 by 9's only the mid works and i can't hear anything from the tweeter. Does this have anything to do with the factory amp or what. Some help would be greatly appreciated.

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