J2000/Sunbird V6-191 3.1L (1992)
Rear Defogger Timer Relay: All Technical Service Bulletins
Rear Defogger - Buzzing Noise When ON
File In Section: 8 - Chassis/Body Electrical
Bulletin No.: 43-81-35
Date: November, 1994
Subject:
Buzzing Sound when Rear Defogger is "ON" (Replace Timer Relay, Breaker and Terminal(s) Using Kit)
Models:
1989-94 Pontiac Sunbird
Condition
Some owners may comment on a buzzing sound when the rear defogger is "ON".
Cause
The circuit breaker may cause the rear defogger timer relay to cycle "ON" and "OFF" (i.e. buzz). This may cause a thermal condition which will anneal
the circuit breaker fuse block terminals.
Correction
Use kit, P/N 22638225, to correct the condition.
Parts Information
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use as shown.
