I hooked up many diagnostic/testers to the OBD-II connector on my 2007 Hummer H2 SUV, they did not work at all, does anyone know why ? What are the exact pinout of this connector on Hummer H2 ?
Data Link Connector (DLC) Pin
Wire Color
Circuit No.
Function
1
--
--
Not Used
2
PU
1132
Class 2 Serial Data
3
--
--
Not Used
4
BK
1050
Ground
5
BK/WH
1851
Ground
6-15
--
--
Not Used
16
OG
640
Battery Positive Voltage
Testimonial: "Thanks a lot, Jeff. I will try it again later. Happy New Year 2015 to you. Albert."
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