Small plug is for the radio, the big plug is for the amplifier. My new radio didn't use the amplifier plug. good luck.
01 supercrew,4x2,all black,5.4,captains chairs,355 ltd slip,trailer tow grp,remote keyless entry.
(MODS)gibson supertruck,K&N generation II air intake,expy console,lund intercepter,A.R.E LSII hard tonneau,tinted windows,E&G classics mesh speed grill,mud gaurds,ford seat covers, bed liner,ventvisor's,westin chrome nerf bars,smittybuilt outland sport bumper guard,KC highlights, Hella fogs, Jensen flip down 6.8 TV, santeca 4" TV in passenger sunvisor,DVD player,panosonic cdqf800 fm-cd,pioneer 6865 speakers.