that wire will go into the door through the jamb, so you should find where it goes into the truck under the kick panel. Looks like it's gray/black. The diodes are probably there to protect the BCM. Use them.Has any installled a CM 7200 with the Blade bypass. 2005 Colly. My problem is with the blade wiring harness. Two questions Where is the diver side “door pin” “- polarity” located and what is the setup with the diode 1n4001 that is supposed to go to this wire? Do I need this? View attachment 393712
This is 2006 H3, they say its the same. You can also search for Naskie's colorado wiring diagrams to be sure.
The12volt.com has lots of info.