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GPS Speed Sender

 

Tech Support   1-800-265-1818 

http://usa.vdo.com 

Instruction Sheet #  A2C59519787 

 

Rev 

05-2015

 

 

 
This sender transmits 16,000 or 200,000 pulses per mile 
driven (depending on your wiring preference in step #2).  
When used with a VDO speedometer (purchased 
separately), you can calibrate the speedometer to the GPS 
sender by: 
 

A.

 

Following the instructions for auto-calibration 

B.

 

Follow the instruction for manually inputting the 
pulses

 

and entering 200,000 pulses when prompted.

 

This GPS speed sender has a special feature that allows it 
to continue to transmit the last known speed during 
operation, if it should lose connection with all GPS 
satellites.  If that should happen, the GPS status light will 
flash orange until connection is regained with at least 1 
satellite.  Your speedometer will continue to indicate the 
last known speed until such time that a connection is re-
established.   
 
 

Note:

 Once connected to a power supply, the VDO GPS 

Speed Sender functions automatically, and requires no 
further input or actions to be taken by the user.  There are 
no adjustments or user serviceable components in the 
housing. 

 
 
 
 
 
 
 
 
 
 
 
 
 

 

GPS Sender Troubleshooting 

 

GPS Sender LED flashes orange

.   

Sender is attempting to connect to 
the GPS satellites.   This is normal 
during power up, and will normally 
take 35-60 seconds to connect and 
change to ‘green’.  If the sender is 
not able to connect to at least 1 
satellite, or maintain connection to at 
least 1 satellite, the light will 
continue to flash orange.  This is 
most likely caused by the sender 
being mounted in a location that is 
receiving interference, or the vehicle 
is located in an area that cannot get a 
clear view of the GPS satellites.   Try 
moving the vehicle to a different 
location or change the mounting 
location of the sender. 
 

GPS Sender LED flashes red. 

Sender is not able to detect at least 
one GPS signal.  Mount the sender in 
a different location with a clear line 
of sight to the sky.  
 

GPS Sender LED remains red. 

The sender has detected an error.  Try 
disconnecting both power and 
ground to reset the unit, then 
reconnect.   

 
 
 
 
 

Merchandise warranted against defects in factory workmanship and materials for a period of 24 
months after purchase.  This warranty applies to the first retail purchaser and covers only those 
products exposed to normal use or service.  Provisions of this warranty shall not apply to a VDO 
product used for a purpose for which it is not designed, or which has been altered in any way  
that would be detrimental to the performance or life of the products, or misapplication, misuse, 
negligence or accident.  On any VDO part or VDO product found to be defective after examination 
by manufacturer, manufacturer will only repair or replace the merchandise through the original 
selling dealer.  Manufacturer assumes no responsibility for diagnosis, removal and/or installation 
labor, loss of vehicle use, loss of time, inconvenience or any other consequential expenses.  The 
warranties herein are in lieu of any other expressed or implied warranties, including any implied 
warranty or merchantability of fitness, and any other obligation on the part of manufacturer, or 
selling dealer. 

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