Regal V6-231 3.8L VIN L SFI (1990)
Technical Service Bulletin # 9059
Date: 900401
Stoplamp Switch - Revised & Includes Service Procedure
Bulletin:
90-5-9
Date:
Apr. '90
Ref. No.: 90-105-5
Corp. Ref. No.: 935012R
SUBJECT:
NEW STOPLAMP SWITCH AND SERVICE PROCEDURE (NEW PART AND PROCEDURE)
MODELS AFFECTED: 1988-90 REGAL
THIS BULLETIN CANCELS AND REPLACES BULLETIN 89-5-13 TO INCORPORATE THE ADJUSTMENT CHECK WITH THIS NEW
SERVICE PROCEDURE AND TO INCLUDE THE 1990 MODEL YEAR. PLEASE DISCARD BULLETIN 89-5-13.
A new stoplamp switch has been released for the 1990 model year, which services all 1988-1990 Regals. The new switch part number is 10180504 and
is currently available from GMSPO.
Refer to Switch Adjustment Check Procedure attached to determine if the switch operates properly.
The stoplamp switch procedure has been revised. The following procedures should be used when removing, installing or adjusting the stoplamp switch.
This procedure applies to the 1988-1990 Regal Service Manuals, Section 5, pages 5-6 and 5-7. Please update your Service Manuals.
Procedure:
Figure 1 - Stoplamp Switch
STOPLAMP SWITCH
Figure 1
Remove or Disconnect
1.
Air cleaner assembly, if necessary to access battery cables.
