Digital to Analog V8 Tachometer Driver
4
Problem
Tachometer will not work.
No lights on display.
Tachometer will not work.
Dot on steady.
Tachometer will not work.
Dot is flashing.
Tachometer will not
read at high rpm.
Tachometer is reading
incorrectly
Possible cause
No power to SGI-8
No input signal.
SGI-8 set for wrong input type.
OEM filter circuit between
SGI-8 and gauge.
Wrong output type
High voltage boost required.
SGI-8 set for wrong input type
Engine or gauge setting incorrect.
Engine or gauge setting incorrect.
Gauge requires fine adjust.
Solution
Check the power and ground
terminals on the SGI-8.
Should be 11-15 V dc.
Test for 1-20 volts AC at the signal
in terminal with the engine running.
Change the Setup -519 option.
See instructions on first page.
Make sure SGI-8 connects directly
to the gauge
Try switching from NORMAL to
HI VOLT
Use HI VOLT to drive gauge and
jumper NOT USED terminal over
to HI VOLT
Change the Setup - 519 option.
See instructions on first page
Change the Setup In or Out values.
See instructions on first page.
Use the “+” or “-” buttons to correct
the gauge reading
Trouble Shooting Guide
Summary of Contents for Digital to Analog V8 Tachometer Driver
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