07 T&C electrical problem please help
 

Vehicle
2007 Town and country, Limited with VMI handicap conversion
Left hand power sliding door causes 4 ways to flash for a few seconds when opened

Items that don’t work
Odometer
Shift indicator
Fuel gauge
Temperature gauge
Speedometer
Over head dome lights both sides of information console
Taillights
Horn
ODBII tester cannot communicate with vehicle

Things tried
Speedometer passes self test all lights and gauges work during test then go blank
Replaced instrument cluster
Took to Chrysler dealer for diagnostic two days later they said poss. Bad BCM
Replaced BCM
Jensen service said bad ignition switch
Replaced ignition switch
Checked all under hood fuses and relays
Please help me :(