Starts & runs. Looking for wiring schematics for 2008 Gulf Stream Independence Trio 8327 Cummins 6.7. Previous owners has wiring a mess. Cameras inoperable, ECU code ( said it came on after replacing batteries), lots of dash lights -abs, brake, snipped wires are under floor boards etc. Wireshanging by passenger fender & disconnect under seat. Hopefully someone can help.