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2004 chevy trailblazer_lt
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All your other symptoms sound like a bad APP or at least the connector/wiring
*except* for the fuel gauge going out of whack. It could be unrelated, but
you might want to check your ground connections.

One other thing to consider is that the APP shares the 5V reference with
the fan clutch. Check that harness for damage as well.

Just a thought....

Good Luck!

Chris
 
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