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Adjustments and LED’s:

The Timing Tuner has several adjustments:

Spark Base:  Adjusts the spark advance/retard at all RPMs

Spark WOT:  Adjusts the spark advance at RPMs over 3000

RPM:  Adjust the minimum RPM to activate the N2O relay

RTD: Adjusts additional spark retard when N2O is activated

MODE: A series of switches to set the N2O activation delay and maximum RPM

The Timing Tuner has 2 indicator LED’s:  Both LED’s turn on for a moment when the unit is powered up,  this is for checking LED operation.  The Green LED will blink once when the settings are changed to indicate that the change has be recognized.

Green:  Indicates that the unit has synchronized with the crankshaft and is controlling spark advance timing.

Red:  indicates that the N2O relay has been turned on and the RTD spark advance setting is active.

The LED’s also are used to indicate various detected error conditions within the Timing Tuner System.

Green: 1 blink – Crank sensor pulses detected out of order.

 2 blinks – Noisy crank sensor signal (reroute wiring)

Red+Green alternating:  Incorect connection or operation is detected with the N2O pilot relay.  The relay must be connected as shown in the Connection Diagram.  

Turning the engine off resets all detected error conditions.

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