Aight guys i kno you all have heard this question again and again...but im bout 2 but an aftermarket stereo in my 02' ...it does have steering wheel controls which i would lik to keep...n as far as tire press. reseting i can careless...damn factorystereo doesnt have that function anywayz...so what harnesses am i gonna need?...i rather go buy the stuff myself cause audio place likes to add interest lol...well i hope someone can put it straight n clear...i dont want 2 have 2 decide between 50 different brands of connections...thankz

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in order to keep the steering wheel controls its gonna cost you more... theres a basic gm wire harness out there but you'd lose the door chimes and steering controls. i think the basic harness (which is what i have in my 02) was maybe $20 if that? also if you really want to keep the steering controls id suggest having an audio garage wire it up for you sense its a bit more complicated then a regular harness.