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Re: Blazer Service 4WD Light
It sounds like a bad electrical connection. These units are known to get corrosion on the Transfer Case Control Module connector, The orange connector on the module for the 4 button 4WD trucks. Remove the passenger kick panel to get to the TCCM, remove the connector and look for corrosion on the pins.
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It's my opinion, don't take it personal.
'04 T&C,'01 Blazer ZR2, '97 Blazer, '97 Sunfire, '85 Vette, '79 Civic, 94 FLSTC
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