GM Engine & Exhaust Performance EFI | GEN I/GEN II/GEN III/GEN IV Engines |Small Block | Big Block |

Service 4WD Light ????????

Old Oct 8, 2017 | 10:22 PM
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Originally Posted by PLOEG
I have a 00 Silverado and lately the big yellow SERVICE 4WD light has been coming on . What causes this, is there anyway to pull a code on it other than take it GM and what is the most common reason why. Any help would be greatly appriceated.
This video could help you with repairs
Here is the part you need.
4x4 Switch - http://amzn.to/2xrkjzR
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