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2001 Chevy Blazer 4 light blinks

Tiny
01BLAZER
  • MEMBER
  • 2001 CHEVROLET BLAZER
Transmission problem
2001 Chevy Blazer V6 Four Wheel Drive Automatic 116000 miles

When I push the 4 HI button to engage 4 wheel drive the light just blinks. It doesn't make any sound it only blinks. What could be wrong?
Saturday, December 8th, 2007 AT 3:15 PM

2 Replies

Tiny
DENNYP
  • MECHANIC
  • 1,824 POSTS
There is a fault code stored in the transfer case control module. The 4wd will not work until the fault is repaired.
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Tuesday, December 11th, 2007 AT 10:26 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
I had this happen to my truck and it was the 4x4 control switch, here is how to change it out to help fix the problem. Check out the images (below). Let us know if you need anything else.
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Monday, July 22nd, 2024 AT 2:14 PM

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