This body electrical system diagram is applicable for 1986 Ford Escort series. The body electrical system consists of all lights, wash/wipe equipment, interior electrical equipment, and associated switches and wiring. The electrical system is of the 12 volt negative earth type. Power to the system is provided by a 12-volt battery, which is charged by the alternator.
Content of the wiring manual: Aerial; Auxiliary Warning System Components; Exterior and Interior Lamps, Cigar Lighter, Electrical Fault Finding; Electrical System Check; Fuel Computer Components; Fuses, Relays and Circuit Breaker; Headlamps and Auxiliary Lamps.
Find the complete 1986 Ford Escort Body Electrical System Diagram here (28 pages of pdf.filetype documents). Should you need more information you can follow this link to find complete service manual of 1986 Ford Escort series.