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1989 Cadllac Brougham
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Discussion Starter #1
Hello forum, i am replacing the wires from the ecm harness to the tps sensor since ckt 417 had voltage loss. I have replaced ckt 417 and ckt 416 ( blue signal cable and gray reference voltage cable) i wish to replace the black sensor ground too, however i wonder if this is ground to the tps only or to a bunch of other sensors too?
 
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