AEM 30-3812 Infinity Plug & Play Harnesses - Ford Coyote to Ford Racing Controls Pack - Manual (Page 6)

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© 2014 AEM Performance Electronics
P/N 30-3812
Alternator Control
The Ford Mustang Boss 302 Alternator is controlled by a fixed frequency and a duty percentage that
controls the charge set point. The base session sets LS0_Duty to 35 % which correlates to ~14.7v
charge. Decreasing the LS0_Duty percentage will increase the battery set point (higher voltage), and
increasing the duty percentage will decrease the battery set point (lower voltage).
Clutch Position Switch
The base session will not provide a ground for the Starter Relay control circuit unless a ground is
provided to the Clutch Position (Neutral Switch) flying lead on the Ford Racing wiring harness. This
requirement can be modified through setting the LS8_Duty [%] table to 100% at all ClutchSwitch
positions. See example below:
The base session sets the input for the ‘ClutchSwitch’ 1D table channel to Analog20, which is pulled up
to 5 volts. The pinout provided in this manual suggests wiring the Clutch Position flying lead to Analog20.