Quote:
Originally Posted by mcbassin
What if you don't know what model engine you have? I was told mine is a 2003 but I was also told it was a 5.3 it turned out to be 4.8. Is there are way to know which DBW pedal it takes? What does the TAC module box look like anyone have a pic? thanks
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It doesn't matter as much what engine you have. The TAC and pedal and throttlebody need to match the PCM/tune. Google the service number on the PCMand it should give you a year, or check the VIN in the PCM to find out. Then get a marching TAC and pedal. The TAC is a little plastic and metal (or all plastic it depends on year) box about 1x4x6 inches with 2 plugs on it. Look at the second post in the" show your Ls engine bay" thread, and you can see mine mounted to the firewall about where the distributer should be.
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