1972 El Camino Wiring Diagram File
Recommended for: Masochists, restorers with a death wish, and anyone who believes a V8 should require a blood sacrifice to start.
Because 1972 El Caminos route all headlight power through the dash switch (no relay), the diagram shows the heavy red and black wires entering the switch. The connector frequently melts. The diagram is essential for installing a modern relay harness—you can identify the trigger wire (low beam: tan, high beam: light green) to splice in relays. 1972 El Camino Wiring Diagram
If you want a clean, printable version, you have three main options: Recommended for: Masochists, restorers with a death wish,
Download a high-resolution PDF into an app like GoodNotes. You can zoom, add arrows, and even overlay notes. However, grease and dirt will ruin your tablet. Keep it in a plastic sleeve. The diagram is essential for installing a modern
Located on the firewall. Over 50 years, pins corrode or get covered in engine grime, leading to "ghost" electrical issues.
If you are looking at a diagram because something isn't working, check these "usual suspects" first:







