I have a 5.3 from a 2005 GMC Sierra 1500 in my Z and decided to go the DBW route. Mortor didn't come with a throttle body so I got a complete (tac module, throttle body, and pedal) setup from ebay from a 2005 1500 Suburban. what I need to knw it what wires I need to connect to my my pcm. What I have left hanging off of the plug that goes from my throttle body plug to the TAC module is an orange/black, grey/black, grey, blue, and blue/white. what im trying to find out is which wires are supposed to run to the PCM, and in what location they land. im decently sure some of the wires go to cruise control.
Posted 11 March 2017 - 08:05 PM
I just did the same thing. Go to LT1swaps.com, they have the correct pinout for Green/blue pcm. It's only a few wires that actually go to the computer. The rest go between the TAC and the pedel.
Posted 4 weeks ago
I have the DBW setup in my car, used the link from above to set it up.
It is so nice to have cruse control, used a few switches and have them all mounted right under the radio by the 4 way flasher switch.
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