1998 Chevrolet 3500 Pickup Q&A

1998 Chevrolet 3500 Pickup Question: What side is bank 1 and which sensor is sensor 2 on a 1998 Chevy 3500 truck?

There are four O2 sensors on this truck and two cat converters. -
Answer 1
BANK 1 DRIVERS SIDE.O2 SENSOR 2 BEHIND CAT. CONV. -
Comment 1
wrong,2 into 1 ex.3 o2 sen..[1500] -
Comment 2
WTF is that supposed to mean???? -
Comment 3
A little bit late with that BS anyway ain't you? -
Answer 2
b1 drivers side post catt. why are you changing it? -