Connection Of The Speed Signal (Gal) From The Speedometer/ Tachometer - Becker Mexico 7948 Installation Manual

Connection of the speed signal (GAL) from the speedometer/ tachometer

G
Accident hazard
Incorrectly connected wiring may result in damage to or destruction of vehicle components and safety devices.
If you are in any doubt, please contact your vehicle manufacturer or authorised specialist workshop.
Electronic speedometer
• Remove the signal from the speedometer, extend and connect to
socket A pin 1.
Depending on the vehicle equipment, the lead for the GAL signal
is usually connected to the DIN - ISO plug of the car radio.
The assignment of the DIN - ISO plug may vary depending on
the vehicle type.
• Minimum requirement for the signal:
0 Hz - 4 kHz/square-wave signal (no inductive sensor)
Low level < 1.5 V, High level 5 V - 16 V
If you do not know the exact installation position/location of the
speed signal, please consult the vehicle manufacturer.
Installation Guide
GAL signal
A
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