This unit can recalibrate an ignition system tachometer signal.
12 volt accessory power
Ignition system tach signal
(negative side of coil or tach output)
high voltage output for some tachometers
standard output to tachometer
If OUT2 does not drive your tachometer, try using OUT1.
Switch settings:
ECM tach signal
Standard tach signal Low volt tach signal
Dakota Digital
TACHOMETER SIGNAL INTERFACE
12 volt accessory
Tach input
Setup and diagnostic lights
SGI-8 rev. C
SIGNAL INTERFACE UNIT
Standard tach signal
#1 Input Type
#2 Sensitivity
#3 Gauge cyl
#4 Gauge cyl
standard tach output signal
high voltage output signal
Power on, no tach signal present
Power on, tach signal present
Engine cylinder calibration adjustment mode
UP switch is being held to preset cal
DN switch is being held to enter setup mode
4 cyl gauge
6 cyl gauge
8 cyl gauge
10 cyl gauge
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