Cuttin and hackin

scoflaw

Ensign
Joined
Jun 2, 2010
Messages
962
2000 5.0 efi GM. The PO altered the wiring a bit. Hard to say exactly whats going on. I,m trying to get the low oil pressure buzzer to work. Looked at a couple of diagrams and the blue/tan wire from the oil switch goes into the ECM. I can't find any info where it goes from there. I can get the buzzer to work by doing a little more hacking, easy enough, but can;t tell If this is somehow connected to my fuel pump or relay. Any clue?
 
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