Precision-turbo-and-engine BigStuff3 GEN3 PRO SEFI System Hardware & BigC Manuel d'utilisateur télécharger pdf (Page 27)

Switched 12V from the vehicle

Brake Switch -12V

applied to this wire

when the brake pedal

is depressed

BigStuff3 Base System - Data Log Trigger/Timer Enable - Wiring Diagram

Using the Brake Pedal Switch

A C DB

“Boost Connector” from

Main Wire Harness

Relay

87a

Timer Enable Wire

Ground

Required ON/

OFF Switch to

turn the “Replay

Trigger” signal

On and Off.

With all GEN3 base systems, the Boost connector location “A” is used to enable two (2) functions.

1. The internal timer, referred to as the “Timer Enable”. No matter how the GEN3 system is configured,

or what options the system has, Pin A of the Boost connector will always

act as the internal timer trigger

wire (used for boost and traction control, and other optional features). The timer enable wire (connector

location “A”) must have 12V applied to it at the exact moment the system is configured to start a

timing sequence, like boost or traction control. Initiating both the timing sequence (Timer Enable) and

internal data logger (DAI trigger) can be accomplished by inverting the 12V signal from the brake switch

or trans-brake as shown in the diagram above.

2. Internal data logger (know as the Replay function) trigger wire.

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Precision-turbo-and-engine BigStuff3 GEN3 PRO SEFI System Hardware & BigC Manuel d'utilisateur Page 27