I used to live in Hampton Roads and then Fredericksburg for a while.
Don't know if you read this thread, but it has some pics around what you're asking about I think. I haven't had this problem, so maybe someone else can chime in here. But it appears you could test with a fog light relay to see if the IPDM relay is indeed the problem.
2005 LE 4x4 CC
PRG mini-lift, Performance Accessories 3" body lift, Helo Maxx 6 17x9 wheels, Yokohama Geolander A/T-S 315/70 R17 Tires, Clubtitan.org sticker @ +20 HP!, Wade in-channel window visors, AVS bug shield, chrome tailgate bezel, 20% tint front/20%+factory rear/sides