I got a 2003 Silverado 2500 hd with the 6.0. Well it didn't have reverse but had all forward gears and it felt like even in neutral it felt like it was still in gear. The cluster was messed up no gauges, no lights buy had check engine light now. Pulled cluster out and found a couple cracked cracked joints. Soldered them and reinstalled the cluster. And now I just have reverse but no forward gears.