I have used the vc2 before, it is super simple to install and use.



The VC2 Voltage Clamp is designed to condition the output of voltage based air flow meters, MAP sensors and mass air flow sensors. It is often used to avoid fuel cut in forced induction applications. Under normal operating conditions, the VC2 outputs a signal that is identical to the signal present at its input. When the voltage of the flow signal reaches the internally set clamp level, the VC2 maintains a constant output voltage at the clamp level as the input voltage rises. The VC2 differs from the VC1 by offering a hard clamp function that is user adjustable. The hard clamp allows the output to track the input right up to the clamp voltage. Once in clamp, the VC2 maintains the clamp level with high accuracy regardless of overdrive.

Here is how you set the clamp voltage:


Clamp Level: Hook the red and blue to the positive and black wires to the negative of the battery
Then take a dc volt meter and hook the blue/red striped wire to the positive, and the negative to the neg on the battery, the volt meter wil show what the clamp is... adjust screw to your desired clamp