service 4 wheel drive light is on?

1999 CHEVROLET BLAZER
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CBRETHAUER
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1999 Chevy Blazer 106829 miles
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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
Dec 13, 2007 at 10:06 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
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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
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Sep 9, 2024 at 5:02 PM
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