ALTERNATOR/REGULATOR TEST PROCESS/REPLACEMENT INFO CAT. 5, NO. 058/83
Article Text
1983 Mazda RX7
For www.iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Monday, August 27, 2001 06:30AM
ARTICLE BEGINNING
TECHNICAL SERVICE BULLETIN
IC REGULATOR CHECKING PROCEDURE
Models All Models
Bulletin No. 058/83
Category 5
Date 11/9/83
DESCRIPTION
Checking procedure for the built-in IC regulator has been
established to pin point the alternator problem. Basically, the
alternator should be replaced as a unit through the exchange program.
However, in case of a shortage of refurbished alternators, you may
replace the IC regulator to minimize inconvenience of customers (see
Fig. 1).
Fig. 1: Exploded View of Alternator
PARTS INFORMATION
Regulator N221 24 520
CHECKING PROCEDURE
1. Make sure the battery is fully charged.
2. Turn ignition key on to "Ig" position. If the alternator warning
light is "off", the problem is likely to be caused by regulator.
Leave the key in "Ig" position and take the following step to
assure the cause.
3. Insert volt meter between "F" terminal and nearest ground point
(Fig. 2).
4. Do not ground to the body of the alternator while positive probe
of voltmeter is inserted through the hole for "F" terminal.