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bpp reads invalid after cranking

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race00
bpp reads invalid after cranking

my truck is a 54 chevy ,2010truck harness and 5.3 ,2010 camro ecu and 6l80e trans 3600 stall,with the key on engine off my bpp siganal reads released and apllied as it should ,the bpp  cuircuit reads released the whole time ,as soon as i crank the truck the bp cuircuit reads invalid and the signal reads released and will not change,does anyone have idea,

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