Tempo L4-140 2.3L HSC (1986)
Technical Service Bulletin # 8642
Date: 860226
Alternator/Regulator - Integral Design Service Procedure
Article No. 86-4-2
ALTERNATOR/REGULATOR - NEW INTEGRAL DESIGN - SERVICE PROCEDURE
FORD 1984-86 ESCORT, TEMPO; 1986 ALL CAR LINES
LINCOLN-MERCURY 1984-86 LYNX, TOPAZ; 1986 ALL CAR LINES
LIGHT TRUCK 1985-86 RANGER
The new integral alternator/regulator was introduced on the Tempo and Topaz, without air conditioning and power steering, approximately March, 1984.
All other car lines and Ranger incorporated this feature in 1985 or 1986 as noted. The following is a diagnostic and service procedure for the new
alternator/regulator assembly and will be included in the appropriate Shop Manuals.
Group 31 Integral Charging System (General Service)
SUBJECT
ADJUSTMENTS Belt
DESCRIPTION AND OPERATION Integral Charging System Fuse Line
DIAGNOSIS Battery Check Charging System Check Isolating the Problems Preliminary Information
SPECIAL SERVICE TOOLS
SPECIFICATIONS
TESTING General Charging System Tests On Vehicle Tests
Description and Operation
Integral Charging System
The integral alternator/regulator charging system is a negative ground system and consists of an alternator, regulator, charge indicator, storage battery,
fuse link and associated wiring. Refer to the Wiring Diagram manual for schematics and locations of harnesses.
Figure 5
Fuse Link
The fuse link is a short length of insulated wire integral with the engine compartment wiring harness. It is four wire gauges smaller than the circuit which
it protects. Production fuse links and their identification flag are identified by the flag color. Service fuse links are green or black, depending on usage.
All fuse links have a flag molded on the wire or on the terminal insulator. Color identification of the flag or connector is Red 18 gauge wire, Orange 16
