Description
pin color
function
explain/connection method
1 red
Power positive input, the working voltage 9VDC ~ 34VDC, connect the
positive of car battery;
2
dark
Power negative input, then the negative pole of vehicle battery;
3
yellow
ACC check line
，
connect the ACC line;
4.2 Extended interface
Description
pin color
function
explain/connection method
1 orange
LV1 (low-level signal detection port 1), input low voltage to detect,
voltage should be less than 0.3 VDC, connecting with effective low-level
signal wire
2 red
SOS alarm input, low-level triggered alarm, directly connect with the wire
of SOS button
3 brown
SOS alarm indicator signal, drive LED, when alarm is triggered, the LED
will be on.
4 white
HV1( high-level signal detection port 1, it is described as illegal
door-open, illegal engine-start signal detection), input positive voltage to
detect, which should be 5DC~input power supply, connecting with
effective high-level signal wire.
5 blank
No
description
6
purple
GND of SOS alarm wire
7
yellow
Relay positive input, connect with the yellow wire in relay
8
black
Relay negative input, connect with the white wire in relay
9 blue
HV2( high-level signal detection port 2) input positive voltage to detect,
which should be 5DC~input power supply, connecting with effective
high-level signal wire.
