- 3 1/2 inch. 5 prong mounting. Gets rpm signal from alternator, electronic control box, coil. With light bulbPrice: $193.35
- 3 1/2 inch dia. with light bulbPrice: $291.14
Electrical 12 volts tachometers are found on this page. Each 12 volts electrical tachometer is designed to withstand the most demanding heavy duty applications found on diesel engines such as Detroit Diesel. Below you will find different type of electrical tachometers. Electrical tachometer 12 volts has a black color background, chrome plated rim and red needle for easy reading of the engine RPM reading. All our 12 volts electrical tachometers come with a 100% money back guarantee and 24hr worldwide shipping direct to you.