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Intermittent Silverado Four Wheel Drive Selector Buttons

Here's what looks to be a common problem on these trucks

  • Model 2000 Silverado 1500 4x4
  • Symptoms
  • Intermittent operation of 4WD
  • Gets stuck in 4WD, then switches out after some random delay
Chevrolet 4x4 Pushbuttons
  • Procedure
  • Carefully pull off the bezel ring
  • It just unclips. Don't break it
  • Remove the 4WD push button assembly and unplug from wiring harness
  • Look closely at the solder joints on the back of the connector where the wire harness plugs into the push button module
  • If the solder joints are cracked (you may need magnification to see the cracks), then resolder
  • This is the source of your intermittent problem
  • After repairing solder connections, reassemble in reverse order
  • TIME FOR OFF ROAD TESTING!

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