Electra Park Avenue V6-231 3.8L VIN C SFI (1989)
Radio/Stereo: Technical Service Bulletins
Audio - Updated Diagnostics Delco Bose Radio
Bulletin:
89-8-25
Date:
Oct. '89
Ref. No.: 89-216-8
Corp. Ref. No.: 908110
SUBJECT:
ELECTRICAL SYSTEMS MANUAL (ESM) UPDATE, DELCO BOSE(R) RADIO (DIAGNOSIS AND REPAIR)
MODELS AFFECTED:
1989 LESABRE-ELECTRA/PARK AVENUE
The 1989 Electrical Service Manual (ESM) does not show remove/replace procedures for Delco-Bose(R) amplifiers and speakers. Please insert Page
298a, which accompanies this bulletin, following page 298 in your ESM.
Also, add the following changes on the pages indicated:
1.
Page 295:
Change the title of Test D. Make the new title: SPEAKER TEST.
2.
Page 295:
In Test F, change the last bullet condition at the bottom of the test to read:
"If all voltages are ok, do Test D, SPEAKER TEST. If speaker is ok, then replace amplifier inside suspect amplifier/speaker unit; see 4a or 5a
replace procedure."
3.
Page 298:
In replacement procedure 4 ("Front Amplifier/Speaker Unit, Delco-Bose(R), Replace"), add Step 5 by writing in the following:
"See replacement procedure 4a to replace Delco-Bose(R) front amplifier or speaker."
4.
Page 298:
In replacement procedure 5 ("Rear Amplifier/Speaker Unit, Delco-Bose(R), Replace"), add Step 4 by writing in the following:
"See replacement procedure 5a to replace Delco-Bose(R) rear amplifier or speaker."
