Expert: Robert Summers - 10/7/2008

Question
i have a 98 chevy blazer s10 that keeps losing power to the fuel pump. relay works and new oil sending unit. just put new fuel pump with new style connecter. what could cause no power to pump?

Answer
Hi Kenneth... do you have power out of the relay for 3 seconds when you turn on the key.... if not check  to see that you have power going to the relay when you turn key on... if no power check the fuse and or the wire going to the relay...if you have power in but not out of the relay check the relay...if bad change it... once you have power out of the rlay check for power at the pump when key turned on for three seconds...if no power there check the wire from the relay to the pump for an open...if you have power at the pump check for  bad ground...i see you have changed the plug at the pump...make sure the wiring is correct....hope this helps