Directed Directechs DS3+ Installation Manual page 14

RF Port harness, 2-pin white connector (H5)
Module
Conn./Pin
H5/1
H5/2
D2D harness, 4-pin white (1) and black (2) connectors (H6)
Module
Conn./Pin
H6/1
H6/2
H6/3
H6/4
Temperature sensor harness, 2-pin black connector (H7)
Module
Conn./Pin Color Description
H7/1 Black Temperature Sensor
H7/2 Black Temperature Sensor
14 933.GM9 2.42.195.3 2015 Cadillac CTS Sedan (Smart Key)
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Color
N/A
N/A
Color
Blue
Black
Green
Red
Connects To
Wire Location
Description
RF Loop
RF Loop
Description
(Data) TX
(-) Ground
(Data) RX
(+) 12 Volt
(+/-) Wire Color Connection