Lingenfelter NCC nitrous controller sending an analog voltage to the LNC-2000 in order to perform progressive timing retard

Using a relay to convert the ground output from almost any device to the +12Vdc output needed by the lnc-2000 for timing retard activation

Using a relay to swap the ground output of the micro storm to the +12Vdc output needed by the lnc-2000 retard activation