sounds like you do not have power to the pump. you should hear it when you turn key on. and if its rusty enough and you used the frame to ground it it may need to be sanded to get a good connection. if you have a test light or voltmeter you will need to check and see if you have power when someone turns the key on. not sure if its supposed to have power all the tie when key is on or only for about 2 seconds when you turn key on till it starts up. can always run a wire from battery to it just to test and see if it fixes your problem if you don't have power to it