Blinker bulbs stay on

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Bacon

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Jerry
Truck Year
1985
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K10
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350
I'm doing a '90 electronic instrument cluster swap and I'm 99% sure I have the connector done correctly. My problem is both instrument blinker bulbs stay illuminated with the key on, the fuel guage worked properly for a moment and now does not, the illuminating background lights only work with headlights OFF.. Also speedo doesn't register anything. Volt gauge moves but isn't correct, fuel moves but isn't correct, temp moves but not correct, oil pressure is not correct. Help
 

Georgeb

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George
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2003
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K10 Burb Z71
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5.3
Grounding issue?
 

74 Shortbed

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Yep, check all grounds first..
 

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