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G70 Harness Definition

Written by Matthew Clark-Massera

Updated at July 18th, 2024

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Table of Contents

Wire Definition Driver ID Lines
  • The G70 comes with a 1m long, 10 wire harness. 
  • 15 mm is pre stripped on the loose ends of the input (red), ground (black) and the ignition (white) wires.
  • 24 AWG

Wire Definition

PIN 

COLOUR

FUNCTION
1 RED   VIN
2 BLACK   GROUND
3 WHITE   IGNITION
4 BLUE   DIGITAL INPUT 1
5 PINK or ORANGE**     DIGITAL INPUT 2
6 BROWN   DRIVER ID 1  
(iButton Data / Wiegand D1 / TTL TX)
7 PURPLE   DRIVER ID 2  
(Digital Input 3 / Wiegand D0 / TTL RX)
8 GREEN   SWITCHED GROUND
9 YELLOW   ANALOGUE INPUT
10 GREY  
GROUND

**Some early devices used a Pink wire for pin 5. The standard is now Orange.

Driver ID Lines

Driver ID 1 and Driver ID 2 are used for various functions depending on configuration. Either:

  • Driver ID 1 can be used as the iButton Data Line, and Driver ID 2 (Purple) can be used as a 3rd Digital Input. This can be independently or simultaneously.
  • Driver ID 1 and 2 can be used to connect Wiegand Driver ID readers
g70 def harness def g70 harness wiring wiring definition driver id lines driver id

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