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5.3 Questions
going in a 99 the 5.3 pcm will work just fine without the factory pcm the computers all communicate through serial2 data wire same system my 98 bravada uses and everything works just fine unless you happen to have digital climate control like I do then its rather tricky to control the a/c- dailydriverperf
- Post #10
- Forum: Engine & Drivetrain
