I found the same problem. I think there's a cable you can use to attach to this in the trunk by the battery? /shrug It's to damn cold for me to go out and check right now ;p
XW4Z-6B019-AA thats the part # they got me but no pics...
I'm not sure if mine is equipped with a block heater or not. How can you tell? It's an '02 V8 LSE.
It looks like the plug that goes into the back of a computer tower, did anyone try that?