VDO 340 786 User Manual

GPS Speed Sender
Tech Support 1-800-265-1818
http://usa.vdo.com
Instruction Sheet #A2C59519787
Revision A
Page 1 of 2
May 8, 2013
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
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
GPS Speed Sender Part Number
340 786
Wire
Color
Function
Red
+12V
Blue
Ground
Green
Signal output to speedometer
Status Indicator Light
Mounting Tabs
To order call 1-800-548-1191 or visit www.partdeal.com - info@partdeal.com

VDO 340 786 Specifications

General

Brand	VDO
Model	340 786
Category	Scanner
Language	English

Summary

GPS Speed Sender Installation

Mounting Location Guidance

Optimal placement for the GPS sender for clear sky view and performance.

Wiring Connections

Details on connecting the Red (+12V), Blue (Ground), and Green (Signal) wires.

LED Status Indicator Meanings

Explains what different LED colors (Orange, Green, Red) indicate about GPS signal.

GPS Speed Sender Troubleshooting

LED Flashing Orange (Connecting)

Orange flashing means the unit is acquiring GPS signal; normal during startup.

LED Flashing Red (No Signal)

Red flashing indicates a lack of GPS signal detection, possibly due to mounting.

LED Solid Red (Error)

Solid red light signifies an error; recommends resetting power and ground.