Ford Transit Owner's Handbook Manual page 124

Relay
R8
R9
R10
Standard relay box
E70873
Ampere
Fuse
rating
38
39
40
Fuses
Powetrain control module power
Not used
Air conditioning clutch solenoid
Colour
20 yellow
10 red
5 tan
Circuits switched
Circuits protected
Rear window wiper
Front and rear air conditioning control
Relay coils supply
122