MSD 2957 Atomic LS Master Early Truck Kit (GEN III 1999-2007) Installation - Manual (Page 7)

INSTALLATION INSTRUCTIONS 7
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• W W W . A T O M I C E F I . C O M • ( 9 1 5 ) 8 5 5 - 7 1 2 3 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4
Controller area network (CAN): The kit utilizes a CAN communication for wiring between the fuel
rails, Power module and Handheld Monitor.
Crank sensor: The kit supports both the 24x and the 58x crankshaft
trigger wheels. The easiest way to identify which crank trigger
wheel is in the motor, remove the starter, crank sensor (behind
the sensor), and look into the motor to identify the crank
trigger wheel (Figure 16).
Engine Coolant Temperature (ECT) sensor: The engine coolant
temperature is monitored by the ECU for fuel and ignition
adjustments in closed loop operation.
Fuel Pressure (FP) Sensor: The kit includes a fuel pressure sensor
which is already installed on the driver side fuel rail.
Idle Air Control (IAC) Sensor: The kit has a connector on each
rail to accommodate different intake styles. The sensor only
plugs into the driverside IAC connector.
Ignition Coils: The kit has a factory connector that will connect to
the factory coil bracket harness on each valve cover (not
supplied with the kit). There is an extra ground wire with each
coil bracket connector that should be grounded to the back
of each cylinder head.
Injectors: The kit supports following injector part numbers -
Delphi connector (Figure 17) :
GM:17113553 AC Delco:17113553
GM:17113698 AC Delco:17113698
EV6 connector (Figure 18):
GM:12574927 AC Delco:217-1563
GM:12613411 AC Delco:217-3411
GM:12250681 AC Delco:217-1621
The kit does NOT support the following
flex fuel injector-
GM:12580426 AC Delco:217-1626
Intake Air Temperature (IAT) sensor: The sensor is supplied in the parts bag. It is recommended
to install the sensor in the intake air track before the throttle body. A ¾” hole is required
for the sensor.
Map sensor: The kit supports the original equipment (OE) Delphi and Bosch sensors. A harness
is supplied for each sensor.
Oil Pressure (Oil) sensor: The kit utilizes the factory oil pressure sensor. There are different style
sensors, but the connector is the same between these sensors.
Power: The heavy gauge wire supplies 12v to both fuel rails from the power module.
Throttle Position (TPS) Sensor: The kit has a connector on each rail for the TPS sensor. This is
done for ease of installation and only the driver side connector is used. The kit only supports
a cable driven throttle body at this time and includes an adapter harness for the TPS sensor
used on a cable driven throttle body.
Wide Band O2 Sensor: A wide band O2 sensor is supplied with the kit. The O2 sensor is used by
the ECU to monitor air/fuel ratios (AFR) in the exhaust gases. Adjustments are made by
the ECU in closed loop to maintain (AFR).
Variable Valve Timing (VVT): The kit supports the VVT system. Plugs into VVT Connector on the
front of the timing chain cover in VVT capable engines.
Figure 16 Crank Shaft
Reluctors.
Figure 17 Delphi
Connector.
Figure 18 EV6
Connector.