Service 4WD Light

Tiny
MAYANK1953
  • MEMBER
  • 1999 CHEVROLET BLAZER
Electrical problem 6 cyl Four Wheel Drive Automatic 80000 miles

My service 4WD light is on, and my 4 x 4 switches are not lite up. Therefore, I cannot tell if I am in 2 hi or 4 hi. What could be the cause of this?
Tuesday, November 18th, 2008 AT 7:14 PM

2 Replies

Tiny
ZEIERIZED
  • MEMBER
  • 2 POSTS
I have the same problem with my 99 silverado 2500.

Your answer could be my answer and vice versa.

Someone please help us!
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Monday, December 1st, 2008 AT 1:12 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,512 POSTS
Hello,

These trucks had a problem with the 4x4 control switch. I would try that first.

Please let us know what you find.

Cheers, Ken
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Wednesday, March 7th, 2018 AT 3:15 PM

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