Cant find what this is

[Keven]

There is 2 of the 4 wire goes back to those 2 plugs the one without blue tape and the blue end plug.. the 2 other wire goes in the engine bay.. and i cant follow them..

You must be registered for see images attach

 

[someotherguy]

That's a diode module for your ABS.

Richard

 

[GMCTRUCKS]

Or for the flux capacitor