
MAN# 650528 rev. B
1
SGI-5 E
UNIVERSAL SIGNAL INTERFACE UNIT
The Dakota Digital SGI-5 E is designed to recalibrate a speedometer signal or correct
sinewave(AC)/squarewave(‘oc’) signal incompatibilities. Here are some typical applications:
1. Recalibrate a high speed (32,000ppm
– 250,000ppm) signal for an OEM speedometer.
Do not
use this unit to adjust a signal going to an anti-lock braking system.
2. Recalibrate a low speed (32,000ppm
– 4,000ppm) signal for an OEM or aftermarket speedometer
or fuel injection computer.
3. Convert a high-speed signal found on newer GM transmissions down to a low speed signal to run
a speedometer, cruise control, or fuel injection computer.
4. Convert an 8000ppm signal from an aftermarket signal generator to a 4000ppm or 2000ppm to
run an OEM cruise control or fuel injection computer.
5. Convert a 16000ppm signal from a VDO Hall Effect signal generator to an 8000ppm, 4000ppm, or
2000ppm to run a cruise control or fuel injection computer.
6. Convert a 4000ppm signal from an OEM transmission speed sensor or ECM output to an
8000ppm signal for an aftermarket speedometer.
7. Convert an 8000ppm or 16000 ppm signal up to a high-speed 128,000ppm signal for a newer fuel
injection computer.
SGI-5 E wiring connections:
SE
NSOR
G
ND
G
RO
UND
PO
W
E
R
OUT
2
OUT
1
SE
NSOR
P
W
R
SIG
NAL
I
N
OUT
4
OUT
3
SE
T
IN
C
SGI-5 E
OUT
5
+
-
UNIVERS
AL S
PEE
D
INT
E
RF
A
CE
dakotadigit
a
l.
co
m
12V Accessory Power
GROUND
Sensor ground (if needed)
Speed input signal
Sensor 5V power (if needed)
2000 ppm 'oc' output
4000 ppm 'oc' output
8000 ppm 'AC' output
calibrated 'oc' output signal
calibrated 'AC' output signal
ppm values listed
below are only valid
after calibration is
complete
Please Note:
This is a technically advanced product and if not installed correctly may cause
incorrect vehicle operation and/or damage to vehicle components.