Nitrous Express ELECTRONIC FUEL INJECTED GEN-V 5.3L PLATE SYSTEM - Manual (Page 5)

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7. Connect the pink wire of the TPS Wide Open Throttle Module to the “Red” wire on the supplied heavy
duty relay. (See wiring diagram).
8. Attach the white wire of the relay to ground. If using an optional fuel safety switch connect the switch
between the white wire.
9. Using 12-ga. Wire, connect the “Black” wire of the heavy duty relay to the positive + post on the
vehicle battery. (If desired a 40 amp fuse may be installed near the battery)
10. Using 12-ga. Wire, attach one wire from each of the solenoids to the “Green” wire on the relay. Note:
These coils are direct current and it does not matter which wire is positive or negative. Now attach the
two remaining solenoid wires to a good ground.
11. Reconnect the battery cable.
12. For TPS Wide Open Throttle Module programming instructions reference the instructions below.
There are two versions of TPS Wide Open Throttle Module available. If your TPS Wide Open Throttle
Module has two LEDs follow the programming instructions below. If your TPS Wide Open Throttle
Module has only one LED skip to the section labeled TPS Wide Open Throttle Module with one LED.
PROGRAMMING A TPS Wide Open Throttle Module with two LEDs.
The NX TPAS is designed to trigger a relay, 1 amp maximum current draw, at or near wide open throttle
and automatically calibrates itself to work with rising or falling signal.
1. The NX TPS Wide Open Throttle Module may be installed inside or under the hood. Mount the unit in
a place that it will be easy to access the learn button and view the LEDs. Make sure the unit is located
away from any heat source, i.e. exhaust manifold, header, or EGR.
2. Following the wiring diagram, route all wires but make no connections.
3. You must determine which wire on your vehicle’s TPS is the output signal to the vehicles
computer. For Coyote mustangs, this is the brown wire at the throttle body.
4. Connect all wires per NX Self- Programming Throttle Position Activation Switch wiring diagram using
a 1 to 3 amp fuse in series with the red wire.
5. On initial power up, press and hold the button while turning on switched +12 volts. The green LED
should begin flashing indicating that the unit is not programmed.
6. Release the button.
7. With the throttle at pedal at idle position, press and hold the button until the red LED comes on
(approximately 4 seconds). The green LED will continue to flash. Release the button and leave the
throttle at Idle. The unit is now calibrating the idle position and making sure that the idle signal is stable.
Wait for both LED’s to turn off.
8. Now move throttle to wide open and hold for 1 second, then release back to idle (Red LED should
come on to indicate that its working and waiting to check the calibration).
9. To check the calibration, move throttle to wide open again and then release to idle a second time. Once
the check is complete, the Red LED will turn off and the Green LED will turn on indicating that the unit
is calibrated and armed.
10. Once calibrated, the unit will activate the relay when the throttle opens to 90% or more and it will
remain on as long as the throttle is between 90% and 100%. (When the relay is activated, both the red and
green LEDs will be on). When the throttle closes to less than 90%, the unit will turn the relay and the red
LED off. The green LED will remain on indicating that the unit is re-armed and ready for the next run.
11. If at any time during the calibration process the green and red LED’s flash rapidly in an alternating
pattern that means the calibration was not completed correctly. This can be the result of one of two things.
Either the throttle was moved while it was calibrating the idle position or the TPS signal is not stable.
Check wiring and recalibrate.