Other Category problem
1999 Chevy Blazer 106829 miles
service 4 wheel drive light is on and my 4WL and 4WH just blink but do not engage. I had heater core worked on, hasn't worked since
Thursday, December 13th, 2007 AT 10:06 AM
1 Reply
KEN L
MASTER CERTIFIED MECHANIC
47,643 POSTS
Yep, I had this problem with my truck as well, it has the 4x4 control switch which fixed it. Them removing the electrical connector must have pushed it over the edge. Check out the images (below). Let us know how it goes