How does an instrument cluster voltage regulator work?
How does an instrument cluster voltage regulator work? IVR's or instrument voltage regulators perform the same function as a voltage limiter, just with a different name. They consist of a bimetallic strip, two contact points, with one arm wrapped with a grounded heating coil. This regulates the voltage at or near 5 volts. What was the original Ford instrument cluster voltage regulator called? TRIM - Dashboard Section. The original Instrument Cluster Voltage Regulator has been called by many names including, Constant Voltage Regulator (CVR), or Instrument Voltage Regulator (IVR). Ford's gauges started as 6 volt, wired straight off the Ignition...