Im new the the avy fan club but need advice i have a 02 avalanche z66 3/4 drop stage 2 tranny etc anyways ive been through almost 16 trans after upgrading to the stage 2 after investigating with my buds scannner its a snap on seems like i have a short in ky harness somewhere so the question is will a 05 engine harness work with my 02 ecu i know the tb is different but i can swap that out to the 05 one but other than that will it just plug in play Tnx