Should I hear the fuel pump running with the key on ?

There should be battery voltage at the fuel pump. Check the battery voltage at the fuel pump relay to be sure that there is power coming from the battery. Check voltage at fuel pump fuse.

Is it an 94 or a 2004 Silhouette.You should hear a fuel pump when turning on the key (anytime after the key has been off for about 10 seconds) or whenever there is oil pressure.
If there is no fuel pump sound or fuel pressure when the key is turned on (this is the prime cycle) then crank the engine for at least 10 to 15 seconds to get oil pressure as this is the 2nd source of power to the pump and what powers the pump when driving.
Still no pump running?
Check fuse /wiring/connections/including ground.
Lastly..... New fuel pumps don't always work just because they are new,

If you can't hear your fuel pump priming then either, the pump needs replacing or the relay. If you replace the relay and you still don't hear the pump prime then it's the fuel pump.

the operation of most fuel pumps is controlled by the fuel pressure regulator
when the fuel pump gets to set pressure , the pump is switched of by the ECM at the relay level
maybe nothing wrong with your system just the system working as designed
if you have pressure in the fuel manifold when you turn the ignition on then the pump will not run but will if there is a fuel leak somewhere and the pressure drops off

Could be your electric fuel pump in gas tank. you can check it by turning the key on and take gas cap off and have someone to check to see if their is a noise saying the fuel pump is working. someone has to stand by where you put gas in your car and put their ear to the hole an listen when you turn key on, do not start the car just turn the key on and if they hear a noise like a pump running then your electric fuel pump is okay, but if don't hear a noise then your electric fuel pump is not working. it is hard to explain about the noise you will hear, but as long as they hear something when you turn key on and their ear is at the opening they will know what I am talking about. I've done 4 electric fuel pumps in gas tanks on different vehicles. good luck ! would like to know if you could hear the pump running when you turned the key on with the gas cap off.

If you cannot hear the fuel pump prime up when you turn the key to on there is a fault with your fuel pump. check the fuse in the fuse relay box and the 2 wired connections on the fuel pump, if still no good than replace the fuel pump

You may have to "cycle" the ignition switch a few times to get fuel up to the fuel rails. Make sure the battery is fully charged. Turn the ignition switch to the RUN position (do not start yet). Listen to see if you can hear the fuel pump running. If you can hear it, turn the key of and wait about 15 seconds and turn the key to the RUN position again. Repeat this step one more time, the turn the ignition to START.

If you cannot hear the fuel pump running when you turn the key on, then you most likely lost your fuel pump when you ran out of gas. This is pretty common - especially if the fuel pump has a lot of miles on it. If this is the case, then you will have to replace your fuel pump.

You could have a bad fuel pump.Can you hear the pump running when you turn on the key?Take off gas cap have someone turn key on listen at gas tank to see if you can hear fuel pump running if not bad fuel pump.Hope this helps
D.

Did it run out of gas? could be fuel filter.Otherwise turn the key to the run position and you should hear the fuel pump (zzzzzzzzzzzzz),you may only hear it for a couple of seconds, turn the key off and back to run to hear it again.If you don't hear it I would suspect fuel pump,

2002 ford focus cold start problem. turns over but will not start. cannot hear fuel pump.. keep turning key on and off and finally hear fuel pump come on and car will start.