Q&A

 Master

Relay or fuse boxes often have space for other control modules or relays and fuses for vehicles with different options or different country have different options. If it is really concerning you is there another 850 you could look at and compare or Autozone have some popular workshop manuals for free on line once you register (for free) on their website http://bit.ly/autozone_repair_info. There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online

 Master

This is the box for the engine and transmission computer. It's normal for there to only be 2 computers, the third spot was for 1993-1994 models and they kept the same box for the later ones. The hose and fan are used to keep the modules cool. All appears normal and there's no need to worry about it.