r.LiNK RL2-RLINK Manual page 15

2.6.2.2. Case 2: CAN-box does not receive the reverse gear signal
If the CAN-bus interface does not receive +12V on the green wire of the 6pin to 8pin cable
when reverse gear is engaged (not all vehicles are compatible) an external switching signal
from the reverse gear light is required. As the reverse gear light signal contains electronic
interference, a traditional open relay (e.g AC-RW-1230 with wiring AC-RS5) or filter (e.g. AC-
PNF-RVC) is required. Below schema shows the use of a relay (normally open).
Cut the green cable of the 6pin to 8pin cable close to the black 8pin connector and
isolate the shorter end of the green cable near to the 8pin connector (CAN-box side).
Connect the reverse gear light signal/power to coil terminal (85) and vehicle's ground
to coil terminal (86) of relay.
Connect the rear-view camera power wire and the green wire (video interface side)
of the 6pin to 8pin cable both to output terminal (87) of the relay.
Connect permanent battery power to input terminal (30) of relay.
Version 22.08.2018 HW CAM(V31)/(V22) RL2-RLINK