Charging System - Dim Headlights, Low Voltmeter Readings
Number: 83-100Section: 6D (VIy)
Date: Nov., 1983
Subject: 37 AMP ALTERNATOR CHARGING SYSTEM
Model and Year: 1982-83 "S/T" TRUCKS
TO: ALL CHEVROLET DEALERS
With heavy accessory loads and low ambient temperatures, some customers may comment about dim headlights, voltmeter readings in the red region and batteries being discharged on subject vehicles with the 37 amp alternator.
To reduce these potential conditions, it is not necessary to replace the entire alternator. By changing the stator and rotor with the part numbers listed below, the alternator output will be that of a 63 amp alternator. If internal components are changed, it should be noted on the outside housing of the alternator should the alternator need repair in the future.
P/N DESCRIPTION
1971639 Stator
1876163 Rotor