Instrument cluster gone nuts

[d_drcustoms]

Ok 02 2500hd lb7 ls 4x4. Goin down the road everything works fine then bing all the gauges go off as if you just cranked the truck. Speed tach and oil pressure came back battery light service 2 wheel and security light flashing no fuel gauge either. And ideas????

 

 

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[carkhz316]

Not to sound cliche, but it literally does sound like a loose battery cable or ground. Check all of those that you can. The other thing is the 99-02 trucks have known issues with the ignition switch that can elicit symptoms like yours. 

[d_drcustoms]

Found it loose relay under hood fuse box thanks


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