DB2 wire prob/fuel pump not primeing

92DB2

New Member
well all of a sudden my car was bucking and shut off and doesnt wanna start back up..so basicly i trouble shot for a while and came up with this..

fuel pump is good,main relay is good but when i tested the main relay clip like the haynes manuel said i should have power in wire 1,4 and 8..well apprently i dont have power in port 4 of the clip its a blue/white wire but idk what it goes to but it obveously works my pump..can anyone help me out with this? and on top of that if i run a switch to the power for the pump could i do that to bypass it?? or does it hurt my pump? any info is greatful
 
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