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3,1 MPI wiring connectors


Doober

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my old '91 Cutlass ran great with the EGR connector disconnected. i did not have the EPROM edited to turn it off either. the check engine light would come on but only on the highway. maybe it depends on whether the EGR is digital or vacuum?

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Another one wire was found. One wire, red color, from fuel pump relay center. What should be connected by this wire? :dunno:

 

looks like fuel pump test wire. is it over by on the driver's side near the battery? it should not be connected to anything.

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Another one wire was found. One wire, red color, from fuel pump relay center. What should be connected by this wire? :dunno:

 

looks like fuel pump test wire. is it over by on the driver's side near the battery? it should not be connected to anything.

 

The wire is from fuel pump relay box. Thank you

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