Vacuum Routing Diagrams — Mercury Cougar 1967-1970

Technical Reference

Member-uploaded diagrams & documents for this generation. AI-classified; community-verified where badged.

Vacuum Routing

• Vintage V8 Electronic Fuel Injection System Diagram - 1968 Mercury Cougar 428
  This document is a large hand-drawn schematic/installation diagram of an early electronic fuel injection (EFI) system for a V8 engine. It shows the complete layout of the system's electrical and fuel plumbing…