2002 envoy slt

2002 GMC ENVOY
180,000 MILES • 6 CYL • FWD • AUTOMATIC
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DIETER
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  • 1 POST
I have a envoy 2002 . the 4x4 does not engage and the indicator light is not coming on as before. tried fuses but no luck
Jan 11, 2011 at 12:35 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
Chances are there is a problem with the 4wd actuator on the transfer case. Check to see if it is getting power. If it is, remove it to make sure it is working. If it isn't replace it. Also, check wiring at plug. There is also a relay for the circuit. It is under the hood in the power distribution block. Check it too.
Jan 16, 2011 at 7:22 PM
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