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Q: does the pcm have a relay? on 1996 Cadillac Seville SLS

we have no power over multiple fuses including the starter dash and fuel pump we replace the pcm but still nothing do the pcm have a relay? Or any other suggestion what would cause such a wide range of power failure
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I see that you have asked several questions about the PCM in this vehicle, are you having the same issue?
95 dont have be programed buy 96 and up have to anf chang PROM IN it as well take it to dealership to put new software updated
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