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VDO GPS Speed Sender User Manual

VDO GPS Speed Sender
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GPS Speed Sender
Tech Support 1-800-265-1818
http://usa.vdo.com
Instruction Sheet # A2C59519787
Rev 05-2015
Installation:
1. Select a mounting location. This sender will
perform optimally when mounted with a ‘clear line
of sight’ to the sky, i.e.: not blocked by a roofline or
other steel structure. Other locations may work,
depending on your vehicles characteristics. This
sender has been designed with a watertight
enclosure and may be mounted in an exterior
location, if required.
2. Wire the GPS speed sender as follows
Wire Color
Function
Red
+12V
Black
Ground
Green
Signal output to speedometer
White
Signal Switching*
to ground (-12V)for 200,000 pulses
to power (+12V) for 16,000 pulses
* Use 200,000 pulses when using a VDO speedometer. Use 16,000
pulses for most non-VDO speedometers.
Note: +12V can be constant (ie: to the battery) or
switched.
+12V constant will allow the GPS sender to
maintain constant connection to the GPS
satellites and allow for immediate speed signal
at vehicle start. Battery consumption is
comparable to that of a radio’s clock.
+12V switched will not draw any power when
the vehicle is shut down, but will require 35-60
seconds for the sender to connect to the GPS
satellites when power is switched on.
3. LED Status Indicator Light
Functions:
Flashing Orange
GPS Signal Search
Green
GPS Signal Found
Flashing Red
No GPS Signal
Red
System Error
Status Indicator Light
Mounting Tabs

Questions and Answers:

VDO GPS Speed Sender Specifications

General IconGeneral
CategoryMeasuring Instruments
TypeGPS Speed Sender
BrandVDO
Operating Temperature-40°C to +85°C
Protection ClassIP67
Operating Voltage8-32V DC
Output SignalPulse signal

Summary

GPS Speed Sender Installation Guide

Mounting Location Selection

Guidelines for choosing an optimal mounting spot with a clear view of the sky.

GPS Speed Sender Wiring

Instructions for connecting the Red, Black, Green, and White wires to their functions.

LED Status Indicator Light Functions

Explanation of LED colors and patterns indicating GPS signal status or errors.

GPS Speed Sender Operation and Calibration

Speedometer Calibration

Steps for calibrating the speedometer using the GPS sender's pulse output.

Last Known Speed Feature

Details on the sender's ability to transmit the last recorded speed when GPS signal is lost.

GPS Speed Sender Troubleshooting

Flashing Orange LED Troubleshooting

Diagnosing and resolving issues related to the sender searching for GPS signals.

Flashing Red LED Troubleshooting

Diagnosing and resolving issues when no GPS signal is detected by the sender.

Solid Red LED Troubleshooting

Diagnosing and resolving system errors indicated by a solid red LED.

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