okay so i got me an avic d3 and the speed and reverse leads didnt come with the resistors or anything. what can i use in place of them? and does the speed lead even have a resistor? also, we tested the radio at an audio place and he hooked it up to 2 speakers, they all worked but it seemed the front right speaker after it played for a few seconds would lose some volume and wasnt as loud as it should be. any help? thanks..