Help with fuel system. Pump not running

[tsidewayz]

Ok, here's the deal. I have a mildly mofdified 91 GT. It has been sitting for the last 7 years waiting for my son to turn 16. Well it almost time. For the first 6 years or so I would start it every couple of weeks. Then a bout a year ago I moved the car from one parking spot to another then let it sit for about 1 month. Tried to start it and nothing. The fuel pump wouldnt fire. I pulled out the pump and direct wired it to a battery. It turned on, no problem. I couldn't find anything wrong. I was able to get the pump to turn on, while in the tank, by grounding the light blue wire coming from the relay under the driver seat.

My question is what is that wire for and does that give any indication of what might be wrong. I have even replaced that relay under the seat.

Any help would be appreciated.


tsidewayz