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All Technical Service Bulletins for Voltage Regulator: > < Generator - CS-144 Rectifier Bridge Usage
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Voltage Regulator: Customer Interest
Voltage Regulator - Failures

Bulletin  87-6D-6A

Date      

Apr. '87

Ref. No.  87-061A-6D

Corp. Ref. No. 736401R
SUBJECT:

VOLTAGE REGULATOR FAILURES

MODELS AFFECTED: 1986-87 LESABRE AND ELECTRA WAGONS 1986-87 REGALS
NOTICE:

This bulletin adds generator part numbers and replaces Dealer Service Bulletin 87-6D-6, which should be discarded.

CONDITION

Under certain operating conditions, the voltage regulator may become inoperative, causing either a no-charge or full-charge condition. A no-charge can
lead to a no-start condition, while a full-charge can lead to excessive battery charging, which can damage the battery.

CORRECTION

An improved voltage regulator, Part Number 1116423, has been released. Replace the original regulator with the new regulator which can be used on
any of the affected models.

If the entire generator must be replaced, use the table below for correct part numbers.

Engine

Rating

Series

Original P/N

Service P/N

LV2

78

12SI

1105565

1101324

78

12SI

1105567

1101324

94

12SI

1105493

1101324

LD5

56

12SI

1100239

1101307

78

12SI

1100200

1101307

94

12SI

1105444

1101308

70

15SI

1105197

1101322

85

15SI

1105548

1101323

Warranty Information

Use existing labor operations.

All Technical Service Bulletins for Voltage Regulator: > < Generator - CS-144 Rectifier Bridge Usage