I have 91 Buick Lesabre 3.8l I replaced oil pressure sending unit & now car wont start

Tiny
DALE BESTUL
  • MEMBER
  • 1991 BUICK LESABRE
  • 10,000 MILES
There were frayed wires on sending unit ive checked all fuses they are ok
Tuesday, November 22nd, 2011 AT 7:58 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The oil pressure switch is a fail safe for the fuel pump in the event the relay fails. If the wires short there, it may blow the fuse for protection.

Check the connector and uncover the wires back a bit to make sure they are not bare and touching. If it does, get a connector for the switch and change it out.

Roy
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Tuesday, November 22nd, 2011 AT 8:06 PM

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