I just did a motor swap on my 91 Integra. I have checked all connections and yet when i try to turn it over the fuel pump is not kicking in. Normally there is a buzz for 2 seconds when you turn the key to on, but now nothing. The pump is not metering voltage at the connections before it enters the tank but there is no cuts in the wiring. A friend suggested I replace the oil pressure sensor because it can engage the fuel cutoff, still nothing. Any ideas? I will try anything at this point. If it helps I have verified it is not building any pressure at all going into the fuel filter. The tank was drained over the winter and I just filled it with new gas and heet to be sure. Thank you!!!!!

 

if u hook up the ground wire and put a test light on the positive wire for the fuel pump, does the light turn on when u turn key??

if so, bad pump.
if not, either bad fuse os hort somehwere in line. test with test light in several other connect locations like the fuse panel. put a paper clip on on side and stick test light on and see if u get connection there....

 

check your grounds one to the thermostat housing and the other from the body to the trans without those two you wont have fuel pump power

 

that ground is probaly located in the engine bay, i had the same thing happen to me when i was swaping engine for the first time

 

I was able to verify the braided copper ground is bolted tightly to the transmission, but I do not see another ground. Do you happen to know where it originates so I can trace it back?