YuLongDa H02 Installation Instruction page 8

1. Power wire, ACC detection wire, Engine power or oil control relay wire (7pin)
 The terminal standard power voltage is 9V-24VDC, please use the original power
wire supplied by the original factory, red wire is power source positive end, black
wire is the negative end; The black wire be connected with spate ground wire, DO
NOT CONNECT WITH OTHER GROUND WIRES;
 Yellow AAC detection wire, the ACC wire shall connected with the ACC switch,
the terminal will decide vehicle status by ACC status, engine on or engine off,
also determines the terminal data upload time interval, engine on status:
15seconds, engine off status: 5 minutes;
 Engine control relay wiring
Oil pump relay connections: ignition coil with small white wire (85) and small
yellow wire (86), small white wire (85) connects with the vehicle power source
negative end, small yellow wire (86) connect with the terminal relay control wire;
The controlled vehicle oil pump, cut the oil pump positive wire, the oil pump
positive end shall connect with the thick green wire (87a) which is the normally
closed end, the another end connect with the relay public end the thick green wire
(30);
 SOS wire (2 pin)
Connect with the external SOS switch button, used in emergency case for help;