1984 - 1989 C4 Corvette Electronics Repair
Digital Instrument Cluster Gauge Related Repairs
Digital Cluster Instrument Panel Repair Guide (1984 - 1989)- by Bryan A. Thompson
Replacing the Cluster with Analog Gauges- by George Crouse
Repair tips on the Digital Cluster- by Bob Golden
Air Conditioner Related Repairs
Air Conditioning Repair Guide (1984 - 1989)- by Bryan A. Thompson
Electronic Climate Control (C68) Repair Tips- by Gib Packard
Cruise Control Related Repairs
Cruise Control Repair Guide (1984 - 1989)- by Bryan A. Thompson
Repair tips on the Cruise Control- by Bob Golden
Keyless Entry
Bose Radio Repairs
Bose Amp Repair Tips- by Bryan A. Thompson
Repair tips on the Bose Radio- by Bob Golden
Headlight Related Repairs
Service Engine Codes and the ALDL Diagnostic Connector
Service Engine Soon / Trouble Codes 33 and 34- Mass Air Flow Info from the 1986 Shop Manual
ALDL Diagnostic Cable Schematic - Reader Contribution
Misc Electrical Repairs
How to Repair & Rebuild your Alternator- by Lars Grimsrud
How to Adjust your Early C4 TPS and Idle Speed - by Lars Grimsrud
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What's New?
Oct 2011: Added a complete set of schematics for the 1989 Digital Cluster. Click here.
You can now get a Free CD of all the information on this site with your donation of $25 or more - even the shipping is free!
Click Here for more information.
A Request From Bryan:
If you have a spare C4 Corvette cluster that you could donate to this project (or loan to me), please email me at bryan@batee.com. I'd like to update the photos on my repair guide!
A Note from Bryan:
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