2003 Chevrolet Silverado 1500 Q&A

2003 Chevrolet Silverado 1500 Question: selector switch has been replaced, yet do not have any lights and will not go

into 4 wheel drive, what do I check next? I have checked the fuse. -
Answer 1
Need the encoder motor scanned/tested. That controls the 4X4, or 4X4 module. -