Yea it's normal. Crapy enginering and design if ya ask me. I upgraded my lights with a Bright Box. It keeps the low beams on when you turn on the high beams. I have one on my 2008 and it really made a diffrence!
BRITE BOX - ('94-'98 DODGE) WITH FOG LIGHT CONTROL-Dodge Cummins and Ford Power Stroke Diesel Truck Accessories - Geno's Garage
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2008 3500, QC, SB, 4X4 Laramie, 68RFE, XRT, MP-8, 5" TBE, MPH trans tune, EGR/BlueTec Badge MIA, Volant Power-Core CAI, Raptor 150,Amsoil By-Pass, Mag-Hytec Trans & Rear Diff, Lorenz Bilstein 5100 System, PSC Steering Brace, B&W GN, Ride Rite bags