When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
1978-82 Corvette Tach Circuit Board Replacement | C3 GM Gauge Repair
Fits 3 pin tachometers - the most common type. Will not work with 4 pin tachometers -These are rare).
Upgrade or repair your classic C3 Corvette tachometer with this replacement tach circuit board for 1978–1982 models.
This board is engineered as a plug-and-play replacement for the original GM unit, restoring proper RPM gauge function without the need for soldering or special tools.
Features:
Pre-set for 8-cylinder engines – no calibration required.
Bolt-in design – simple installation with included step-by-step instructions and color photos.
Made in the USA with upgraded electronic components.
Diagnostic test points built in for easier troubleshooting.
