This Knowledgebase has been developed to cover the most frequently asked questions about Corvettes. Using our system, you can search for topics separated into categories by Corvette generation. Some of the information here comes directly from Chevrolet Service News publications, Service Bulletins, Recall Notices and other technical sources as indicated.
This Knowledgebase contains most service bulletins and recall notices for all model years. If you can't find a particular service bulletin here, try our Corvette Recall Notice & Service Bulletin Search Form which is linked to the National Highway Transportation Safety Administration. You will only be able to view a brief description of the bulletins from the NHTSA but must pay a fee to acquire the entire document.
This Knowledgebase contains information from other Corvette owners and enthusiasts as well as professional engineers, literature, and service technicians (where noted). Any information used from this Knowledgebase is used at your own risk. Although we do our best to screen and verify the information provided here, the Corvette Action Center is not responsible for any inaccuracy in this Knowlegebase. Always consult your service manual and/or a qualified automotive service technician before conducting automotive repairs. For further information, please review our Legal Disclaimer.
|Search the Knowledgebase
||Browse by Category
|View Articles by Category
There are no sub categories
Electrical and Ignition
There were 53 articles found in this category:
(Page 1 of 3)
- 1980 - 1993: Service Bulletin: Engine Miss, Hesitation, and Rough, Pierced Secondary Ignition Components
Subject: Engine Miss, Hesitation, and Rough, Pierced Secondary Ignition Components Model and Year: 1980-93 ALL PASSENGER CARS AND TRUCKS Source: Chevrolet Service Bulletin Bulletin Number: 93-35-6D - (10/01/1992) THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN NO. 87-121, DATED MAY ...
- 1982 - 1991: Service Bulletin: Checking Connector Terminal Contact - Metri-Pack
Subject: CHECKING CONNECTOR TERMINAL CONTACT - METRI - PACK Model and Year:1982-91 PASSENGER CARS AND TRUCKS Source: Chevrolet Service Bulletin Bulletin Number: 91-85-8A - (09/21/1990) TO: ALL CHEVROLET DEALERS When diagnosing an electrical system that utilizes Metri-Pack 150/280/480/630 serie ...
- 1982 - 1991: Service Bulletin: Damaged ECM/PCM Mis-Diagnosis Due to Incorrect "Tap-Testing" Procedures
Subject: DAMAGED ECM/PCM AND/OR MIS-DIAGNOSED ECM/PCM SYMPTOMS DUE TO INCORRECT "TAP-TESTING" PROCEDURES Model and Year:1982-91 ALL PASSENGER CARS AND TRUCKS Source: Chevrolet Service Bulletin Bulletin Number: 91-384-6E - (07/24/1991) CONDITION: Because of the intermittent nature of some Electr ...
- 1982 - 1991: Service Bulletin: Parasitic Drain on Battery Ammeter Connecting Procedure
Source: Chevrolet Dealer Service Bulletin Number: 91-14-8A Subject: Parasitic Drain on Battery Ammeter Connecting Procedure Model Year: 1982-91 All Passenger Cars and Trucks Vehicles that have one or more on-board solid state control module (such as an Engine Control Module, E.C.M.) may, at som ...
- 1984 - 1985: Service Bulletin: Door Ajar Switch Corrosion
Model Year: 1984-1985 Subject: Door Ajar Switch Corrosion Source: Chevrolet Dealer Service Bulletin Bulletin Number: 85-43, Number 8B (XII) & 10(I) Date: Feb., 1985 TO: ALL CHEVROLET DEALERS SOME 1984 AND EARLY PRODUCTION 1985 CORVETTE DOOR AJAR SWITCHES (P/N 14062556) MAY BECOME INOPERATIVE DUE ...
- 1984 - 1986: Service Bulletin: Electric Outside Rear View Mirrors
Subject: Electric Outside Rear View Mirrors Model and Year: 1984 - 1986 Corvette Source: Chevrolet Dealer Sevice Bulletin Bulletin Number: 86-176, Section 8B Date: Oct., 1986 TO: ALL CHEVROLET DEALERS Customer comments of inoperative outside rear view mirrors (which have been diagnosed as inop ...
- 1984 - 1989: Digital Dash Cluster Repair
From Bob Golden: My name is Bob Golden and my home e-mail is <withheld>. I wanted you to now how I enjoyed reading your publication on the repairs of the famous digital cluster. For 20 years I was the General manager at Speeometer Service, Inc. in Carrollton Texas. It was bought out and ...
- 1984 - 1990: Power Seat Inoperative and/or Blows Fuses
Subject: POWER SEAT INOP/BLOWS FUSES REPAIR/REPLACE HARNESS Model and Year: 1984-90 CORVETTE Source: Chevrolet Service Bulletin Bulletin Number: 90-412-10 - (03/18/1991) Condition: Power Seat (AQ9) inoperative and/or blows fuse. Cause: Seat Control Switch Wire Harness may be shorted at gearnut ...
- 1984 - 1990: Service Bulletin: Underhood Lamps Inoperative or Staying On
Model Year: 1984-1990 Y-Car Subject: Underhood Lamps Inoperative or Staying On Source: Chevrolet Dealer Service Bulletin Bulletin Number: 90-248-8B Date: 05-07-1990 Condition: Underhood lamps that are inoperative, or that stay on. Cause: May be due to one of the following: 1. Mercury switch dise ...
- 1984 - 1996 Speedometer Gear Applications and Part Numbers
Transmission Gear Ratio Drive Gear Color # of Teeth Driven Gear Color # of Teeth Vehicle Speed Sensor 1984 MD8 with Export (VB4, VD1, VE1, VT7) 3.07 8640517 Red 17 25513047 Black 40 25007308 MD8 except Export (VB4, VD1, VE1, VT7) 3.07 8640517 Red 17 25513049 Green 42 ...
- 1984: Service Manual Error: Engine - Electrical - Spark Plugs
The following article/comment was submitted to us: ----------------------------------------------------- From: Mike Flaherty <email@example.com> On the bottom right of page 6D-26, engine electrical, it tells you to bring the crank to 0 degrees and point the rotor between #1 and #8 spar ...
- 1984: ECM Codes
Code #12: Normal System No Codes. Code #13: Oxygen Sensor Circuit. Code #14: Coolant Sensor Circuit Low. Code #15: Coolant Sensor Circuit High. Code #21: Throttle Position Sensor High. Code #22: Throttle Position Sensor Low. Code #24: Vehicle Speed Sensor. Code #33: Manifold Absolute Pre ...
- 1984: Electrical Schematics
Electrical schematics for the 1984 Corvette - linked below (3.09MB Zip file): 1984 Schematics
- 1985 - 1991: ECM Codes
Code #12: Normal No Codes. Code #13: Open Oxygen Sensor Circuit. Code #14: Coolant Sensor Circuit Low. Code #15: Coolant Sensor Circuit High. Code #21: Throttle Position Sensor High. Code #22: Throttle Position Sensor Low. Code #23: Manifold Air Temperature Circuit High. Code #24: Vehicle Speed ...
- 1985: Service Bulletin: High Output Ignition Coil Replacement
Subject: High Output Ignition Coil Replacement Model and Year: 1985 L69 Camaro and Monte Carlo, 1985 LB9 Camaro and 1985 L98 Corvette Source: Chevrolet Service Bulletin Bulletin Number: 85-93 - June, 1985 TO: ALL CHEVROLET DEALERS Some 1985 Camaro, Monte Carlo and Corvettes with high output ig ...
- 1986 - 1987: Service Bulletin: Intermittent No-Start Condition Caused by Vehicle Anti-Theft System
Source: Chevrolet Dealer Service Bulletin Number: 87-140 Section: 8A Date: May, 1987 Subject: INTERMITTENT NO-START CONDITION CAUSED BY THE VEHICLE ANTI-THEFT SYSTEM (VATS) Model Year: 1986-1987 Corvette TO: ALL CHEVROLET DEALERS Some 1986-1987 Corvettes have been returned to dealerships for rep ...
- 1986 - 1988: Service Bulletin: Low Coolant Warning Light
Subject: Low Coolant Warning Light Number: 88-43 Section: 6B Date: Sept., 1987 Models: 1986-88 Corvettes To: All Chevrolet Dealers This bulletin cancels and supersedes Dealer Service Bulletin 87-11 (Section 6B) dated Oct., 1986. All copies of 87-11 should be destroyed. Additional procedures ...
- 1986 - 1988: Service Bulletin: Power Antenna Will Not Retract
Source: Chevrolet Dealer Service Bulletin Number: 88-209-9A Section: 9A Date: May, 1988 Subject: POWER ANTENNA WILL NOT RETRACT Model and Year: 1986-88 CORVETTE WITH ADVANCED ELECTRONICALLY TUNED RADIO AND POWER ANTENNA (U65) TO: ALL CHEVROLET DEALERS CONDITION: The power antenna remains in ...
- 1986: Service Bulletin: V.A.T. Key Replacement
Model Year: 1986 Subject: Key Replacement for Vehicles with Vehicle Anti-Theft System (VATS) Source: Chevrolet Dealer Service Bulletin Number: 86-38, Section 8A Date: Feb., 1986 To: ALL CHEVROLET DEALERS This bulletin is to inform dealers of the availability of Key Blank (Part Number 26003228). ...
- 1988 - 1991: Service Bulletin: Intermittent No-Start/No-Crank Diagnostic Service Procedure
Subject: INTERMITTENT NO-START/NO-CRANK DIAGNOSTIC SERVICE PROCEDURE Model and Year:1988-91 CORVETTE WITH 5.7L ENGINE Source: Chevrolet Service Bulletin Bulletin Number: 91-231-6D - (02/26/1991) Condition: An intermittent no start condition, with no clicking from the starter, may occur on the ...
(Page 1 of 3)