Technical Fiat Ducato original factory rear wiring harness connectors colours photos diagrams 290 vs 250

[nikosgrk]

I noticed that there are some differencee of the 290 rear camera wiring vs 250

apparently it appears that 290 8pin connector has 4 wires whereas 250 8pin connector has 6 wires. I wonder why

 

[nikosgrk]

 

[nikosgrk]

no elearn info regarding the ducato 290 k151 connector

below the info for the ducato 250

 

[nikosgrk]