crank no start, corrosion in connection

Asked by gio67890 Aug 30, 2022 at 07:55 PM about the 2003 Buick Rendezvous CXL AWD

Question type: Maintenance & Repair

was replacing fuel pump and found corrosion inside 3 way connector under
carpet driver side, not sure what all it powers and having trouble finding wiring
diagrams to find out which pin does what, I did have power on the fuel harness
connector and the other 2 were dead. I tried finding the connector part number
but the ones recommended werent a match

1 Answer
157,855

James answered 2 years ago

The other pins might be ground connections, it's hard to tell. You need a factory shop manual to get the correct wiring diagrams for the vehicle. Try Ebay for a good used one or Faxon Auto Literature, they have a website. Hope that helps! Jim

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