service 4 wheel drive light on

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service 4 wheel drive light on

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Blazer >> Mechanical & Maintenance >> Steering, Suspension & Drivetrain >> service 4 wheel drive light on

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service 4 wheel drive light on - 4/4/2008 1:54:32 AM

Superpoo

Posts: 31
Joined: 8/13/2006
Status: offline

On my 99 trailblazer the service 4x4 light comes on but only if i put it into auto 4x4. Then i can't get it out unless i turn the key off, turn it back on and hit 4 wheel lo/hi or 2wd while all the lights are still flashing. Also, it doesn't appear that it actually goes it 4wd while in auto 4x4. I don't have alot of knowledge on 4x4s so any help would be great!!! Thanks all..

Superpoo

Post #: 1

RE: service 4 wheel drive light on - 4/4/2008 6:57:37 PM

swartlkk

Posts: 15304
Joined: 5/1/2005
From: Waterloo, NY
Status: offline

If I remember right, the trailblazer edition models came with Auto4wd standard. If that is correct, you need to have a tech2 or equivalent scan tool to diagnose these systems...

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Kyle-