Mercury Villager blower not working.

[hevi99]

I have a 1996 Mercury Villager GS. The blower motor stopped working. I've done alot of testing from the blower back to the battery. Here's what I've tried to so far and here is what I found.

There is no power getting to the blower motor or the blower resistor. Under the hood in a fuse box is a 65a fusible link which is getting power. I replaced the relay just incase so that is working. In the under dash fuse box are 2 20a fuses from what I found with the ignition on and the heater turned on both fuses should read about 12v on the left side. The top fuse #28 reads 12v however the bottom fuse #30 does not. I'm assuming this is cause whatever controls the relay is not kicking in on. Like I said I replaced the relay and I even tested the new one with a 12v souce and it clicks and works fine. If I jump the 28 and 30 together the motor starts right up, but the fuse blows and obviously that's not safe. So my question is what controls the relay in this system cause I'm assuming that's the problem. Any help would be greatly appreciated.