Why does the 20A fuse for the 12V power outlet keep failing? on 2007 Toyota Camry

I've replaced the 20A fuse for the 12V power outlet twice and it pops immediately. Any idea why?

by in Kingwood, TX on August 27, 2013
1 answer
ANSWER by , August 27, 2013
DIRECT SHORT IN RECEPTICAL,CK FOR DEBRIS INSIDE