King-Meter JK-LCD - Wire Sequences; About the Product Code

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9.Wire sequences
Terminals Make connector. Female Connector
Wire sequence of standard connectors
No. Wire Colours Function
1
R
ed
（
VCC
）
P
ower cable of display
2
B
lue
(K)
P
ower cable
of controller
3
B
lack
(GND)
GND
4
G
reen
(RX)
D
ata
In
5 Yellow(TX) Data Out
Remarks: Display may use waterproof connector; in this case
the wires cannot be seen.
10.About the Product code
The Product code is displayed in two rows.
Row 1: 500101201.