70888 R3
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FRONT PROGRAMMABLE
ELECTRONIC SPEEDOMETER
The following are instructions for installing, wiring and programming the Veethree Front Programmable Electronic Speed-
ometer.
CAUTION
READ THESE INSTRUCTIONS THOROUGHLY BEFORE PROCEEDING, DO NOT DEVIATE FROM WIRING IN-
STRUCTIONS. INCORRECT WIRING COULD CAUSE ELECTRICAL SHORT AND POSSIBLE FIRE. ALWAYS DIS-
CONNECT BATTERY BEFORE MAKING ANY ELECTRICAL CONNECTIONS.
PREPARATION FOR INSTALLATION
1) Select a mounting location for gauge which providers easy readability from the operating position. Check behind
mounting panel for sufficient installation clearance.
2) Cut 3 13/32 inch (87mm) hole for the gauge.
3) Insert gauge into mounting hole and check for proper fit.
4) Use “U” bracket over the mounting studs on back of gauge. Trim bracket length as necessary for proper mounting.
5) Temporarily remove gauge and bracket from panel.
IMPORTANT
BEFORE PROCEEDING WITH FINAL INSTALLATION AND WIRING, SPEEDOMETER MUST BE PROGRAMMED TO
OPERATE WITH YOUR EQUIPMENT. REFER TO THE CALIBRATION SECTION OF THESE INSTRUCTIONS.
Available Calibration Procedures -
Three alternatives can be used to calibrate the speedometer, AUTOCAL, PULSES and ADJUST.
(1) Auto Calibration (AUTOCAL) - Automatic calibration by driving a measured distance of 1 Mile or 1 Kilometer de-
pending on model of speedometer.
(2) Manual Calibration With a Known Value (PULSE) - By inputting a known Pulses Per Mile (or Kilometer) Ratio.
(3) Manual Calibration (Fine Tuning) (ADJUST) - For calibration using a reference speed indication.
VIEW OF BACK OF INSTRUMENT
(+) SWITCHED
BATTERY
(POWER)
(-) BATTERY
(GROUND)
SIGNAL
(+) POWER
FOR LAMP AND
LCD BACK LIGHT
