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Old December 31st, 2011, 01:18 PM   #1
98-S10-lifted
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Default 00 S10 Blazer 4wd won't engage

Push button 4wd.

I replaced the 4wd Actuator under the battery tray and checked the vaccum line and that is all good and checked connections.

My 4wd worked about a month and a half ago, now it won't. The lights on the push button sometimes flickers (all at the same time), sometimes just the 2hi flickers, and other times the 2hi light just stays on like it should. I push the button 4hi or even 4lo and nothing happens, no light, no shifting.

I am not sure what could be the problem now.

The blazer is a stick shift if that matters at all. Also there is a constant clicking under the glove box which sounds like the blinker and stops when I push the brake or hold down the emergency flashers. I changed the relay which solved nothing. Not sure if that would have anything to do with the 4wd problem.

Any help would be appreciated. Thanks.
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