East Coast Supercharging ECS Alky C5 - Manual (Page 9)

Mount PAC controller in aluminum frame, it will need to be loosened to fit in place.
Reinstall frame. Then ZIP tie the controller in place through the 2 lower holes in frame.
Try to install PAC controller as far up in the frame as possible so that adjustments can
be made by removing the trunk button assembly quickly. Once adjusted on a dyno,
they should need to be changed.
7) The gray/violet wire
Be careful on how this wire is to be used, most applications will not benefit
from it being connected. Here’s the principle and connectivity. The violet wire
while a ground is applied will limit the pressure output of the system. And its only use is
to help assist with spool-up while brake torque is applied to spool the turbo in a racing
application. So here are some ideas and methods to connect the wire for this feature
to be present.
Simplest method is a momentary toggle switch in the ashtray whereby one leg of the
switch goes to ground, the other to the violet wire. While staging the car, depress the
switch and build boost.. As soon as the car launches release the switch and the system
goes back to normal.
Next is to wire a relay to activate while the brake is being depressed. To do so, wire the
Bosch 30 amp automotive relay as follows. Terminal 85 to the blue wire with stripe on
the brake pedal switch. Terminal 86 on the relay and terminal 87 on the relay to chassis
ground. Terminal 30 to violet. When the brakes are applied, the relay “clicks” thus
applying a ground to the violet wire.
The gray wire can be used to trigger an auxiliary system. In case a solenoid or other
device requires a signal once the system activates.
Typically these wires are not used.