Lingenfelter L460160000 Lingenfelter RPM-003 RPM Activated Switch Instructions v1.5 - Manual (Page 13)

Enabling the ECM’s tachometer signal output
through EFILive Tune v7.5
9. Double-click on ‘Parameters’ to bring up the window shown in following illustration, which should appear to the right
of the browser window. This calibration is currently set to communicate the tachometer signal via CAN Bus, as shown
by the blue dot on the depressed ‘CAN Bus’ button.
10. In the upper part of the same window, click on the ‘Crank’ button. Pressing this button enables the tachometer signal
output from the ECM. There should now be a blue dot on the depressed ‘Crank’ button, showing that the selection has
been changed.
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11. Save the calibration and then flash the new calibration to the vehicle.
12. Since no other device will be connected to the tachometer signal output or the ECM, make sure to enable the pull-up
resistor on the RPM-003.
NOTE: Similar changes will be required if using HP Tuners or any other programming system