Precision Turbo and Engine BigStuff3 GEN3 PRO SEFI DAE Option User Manual User Manual
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Bigstuff3 GEN3 PRO SEFI DAE Option - User Manual
Harness Label
Wire Color /
Connector Type
Label
Definition
Connect To
Further Details
ECU Header
Connector
Black 30-Way
Connector N/A
GEN3 ECU Header
Connector Marked
“DAE”
See
Harness_Main_Connec
tor
Analog Trigger Yellow wire
Used to
trigger the
DAE data
logging
An On/Off switch
(not provided)
See
Analog_Trigger
Turbo Shaft
Speed
Gray, 2-way
Packard connector
with a separate
ground wire (3/8”
ring terminal)
Turbo(shaft)
Speed Sensor
Two (2) wire VR
style speed sensor
(not a Hall-effect
device).
See
Turbo_Shaft_Speed
Turbo Back
Pressure
Black 3-way
Packard connector
with a purple seal
A Pressure
transducer
which
measure back
pressure
1/8” pipe thread, 0 –
150-psi pressure
transducer Available
separately from
BigStuff3
See
Turbo_Back_Pressure
Input Shaft
Speed
Gray, 2-way
Packard connector
with a separate
ground wire (3/8”
ring terminal)
Input (shaft)
Speed Sensor
Two (2) wire VR
style speed sensor
(not a Hall-effect
device).
See
Input_Shaft_Speed
Drive Shaft
Speed
Gray, 2-way
Packard connector
with a separate
ground wire (3/8”
ring terminal)
Drive-shaft
Speed Sensor
Two (2) wire VR
style speed sensor
(not a Hall-effect
device).
See
Drive_Shaft_Speed
Pan Vacuum
Orange 3-way
connector with an
green seal
Measures
positive and
negative
pressures in
the engine oil
pan
+/- 2 Bar MAP
sensor. Available
separately from
BigStuff3
See
Pan_Vacuum
Fuel Pressure
Black 3-way
Packard connector
with a purple seal
Measures fuel
rail pressure
1/8” pipe thread, 0 –
150-psi pressure
transducer. Available
separately from
BigStuff3
See
Fuel_Pressure
Oil Pressure
Black 3-way
Packard connector
with a purple seal
Measures
engine oil
pressure
1/8” pipe thread, 0 –
150-psi pressure
transducer. Available
separately from
BigStuff3
See
Oil_Pressure
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