Quote:
Originally Posted by sick454
Has anyone installed these 02 sensors? How did you connect them? the engine is a 2007 classic silverado 5.3 with the 4L60E tranny.
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I used Bosch direct fit sensors on mine (Bosch #15150) that plug right in, they should be the same for yours. I'm wondering like Shon, was your harness chopped? Is that why you used the universal sensors? I would always go for the direct fits sensors, Bosch or ACDelco.