diff --git a/Gen-4-LS.md b/Gen-4-LS.md
index d9c35339..857fc220 100644
--- a/Gen-4-LS.md
+++ b/Gen-4-LS.md
@@ -1,5 +1,15 @@
 mx123 molex
 
+56 pin blue 
+31386-2020
+
+73 pin black
+31387-2014
+
+73 pin grey
+31387-2002
+
+
 73+80   e38 ECM, used 07-14 trucks/suv
 
 https://www.maxxecu.com/webhelp/wirings-pluginecu-chevrolet_corvette_c6_e38_ecm.html