mx123 molex

73+80   e38 ECM, used 07-14 trucks/suv

https://www.maxxecu.com/webhelp/wirings-pluginecu-chevrolet_corvette_c6_e38_ecm.html

https://lt1swap.com/E38%20ECM%20Connector%20Pinouts.htm

x+y+z E67 ECM used 2007+ envoy, trailblazer, saab 97x, rainier, impala ss, and others

https://www.lt1swap.com/pcm_identification.htm


# 2007 Tahoe 5.3

![x](OEM-Docs/GM/2007-tahoe-5.3-vin0-1.png)

![x](OEM-Docs/GM/2007-tahoe-5.3-vin0-2.png)

![x](OEM-Docs/GM/2007-tahoe-5.3-vin0-3.png)

![x](OEM-Docs/GM/2007-tahoe-5.3-vin0-4.png)

![x](OEM-Docs/GM/2007-tahoe-5.3-vin0-5.png)