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This unit can recalibrate an ignition system tachometer signal.
Wiring:
PWR -
12 volt accessory power
GND -
ground
Sig. In -
Ignition system tach signal
(negative side of coil or tach output)
OUT1 -
high voltage output for some tachometers
OUT2 -
standard output to tachometer
OUT3 -
not used
OUT4 -
not used
OUT5 -
not used
If OUT2 does not drive your tachometer, try using OUT1.
Switch settings:
switch
ON
#1
ECM tach signal
#2
Standard tach signal Low volt tach signal
Dakota Digital
TACHOMETER SIGNAL INTERFACE
12 volt accessory
power
GROUND
Tach input
signal
Setup and diagnostic lights
RED
GREEN
OFF
OFF
OFF
ON
OFF
Flashing
ON
Flashing
ON
ON
ON
OFF
SGI-8 rev. C
SIGNAL INTERFACE UNIT
OFF
Standard tach signal
SGI-8 C
#1 Input Type
#2 Sensitivity
#3 Gauge cyl
#4 Gauge cyl
standard tach output signal
high voltage output signal
Power off.
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
Status
1
#3
#4
Off
Off
Off
On
On
Off
On
On
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Summary of Contents for Dakota Digital SGI-8 rev. C
- Page 1 SGI-8 rev. C SIGNAL INTERFACE UNIT This unit can recalibrate an ignition system tachometer signal. Wiring: PWR - 12 volt accessory power GND - ground Sig. In - Ignition system tach signal (negative side of coil or tach output) OUT1 -...
- Page 2 Tech Support You can contact us with any questions you may have by phone, fax, or email. 4510 W. 61ST St. N., Sioux Falls, SD 57107 Phone: (605) 332-6513 FAX: (605) 339-4106 www.dakotadigital.com dakotasupport@dakotadigital.com ©Copyright 2004 Dakota Digital Inc.
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