Don't now if it will work but try unplugging the drivers seat belt sensor, should be down by the seat somewhere. Don't know but just a guess, never been in an 08.
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2001 Ram 2500 ext.cab 4x4. Edge Juice with Attitude (wire tapped and Hot unlocked), HTT SS 62, F1 Mach 4's, Fass 95, Bank's High Ram, Volant intake, South Bend CON FE, Flowmaster 4", 2" leveling kit, 285's, 3.54's in the diff's. 540hp/950tq@45psi