99-00 Ecm?
it depends, there r a few versions of that year ecm, and im sure u wouldn't want a cali ecm cauz those trucks have less hp and emissions. if u look at the ecm part # it begins with something like ab or ad, as long as yours begins with the same 2 letters it should work, was 99 the last year for the ckp cauz if it is a 2k ecm isn't worken. which ever year u buy u could allways have it reflashed at the dealer
Sure do but it's for a 1999??? I put it in the high performance section by mistake...
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