5.3 wiring and o2 sensors
08-24-2004, 04:40 PM
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Staging Lane
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5.3 wiring and o2 sensors 
Would any one happen to know where I can get a wiring diagram for the fuse block for a 2003 tahoe and I have a question about the 02 sensors on an 03 the pre cat 02 sensor are they suppose to be a 4 wire square plug? 
