Electrical Wiring Harness HJ13 Figure 041 (SHEET 4)
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R  Electrical Harness DPM Figure 042 (SHEET 1)
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R  Electrical Harness DPM Figure 042 (SHEET 2)
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 (3) Operation
 (a) Harnesses with their Routing on the Core Engine (HPC, Combustor Case and HPT) and on the Low Pressure Turbine
 1 Harness CJ11L
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R  (Ref. Fig. 030) Provides the electrical interface (Channels A) between the 6 o'clock tube bundle junction box (where it connects to mobile connector C113 from harness HJ11) and:
 - receptacle connector A of VBV position sensor

 - receptacle connector A of RACSB valve position sensor.

 2 Harness CJ11R
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R  (Ref. Fig. 031) Provides the electrical interface (Channels A) between the 6 o'clock tube bundle junction box (where it connects to mobile connector C112 from harness HJ11) and:
 - receptacle connector A of T25 temperature sensor

 - receptacle connector A of VSV position sensor

 - receptacle connector A of LPTACC valve position sensor

 - receptacle connector A of HPTACC valve position sensor

 - receptacle connector A of BSV switch.

 3 Harness CJ12L
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R  (Ref. Fig. 032) Provides the electrical interface (Channels B) between the 6 o'clock tube bundle junction box (where it connects to mobile connector C122 from harness HJ12) and:
 - receptacle connector B of VBV position sensor

 - receptacle connector B of VSV position sensor

 - receptacle connector B of RACSB valve position sensor.

 4 Harness CJ12R
_
R  (Ref. Fig. 033) Provides the electrical interface (Channels B) between the 6 o'clock tube bundle junction box (where it connects to mobile connector C123 from harness HJ12) and:
 - receptacle connector B of T25 temperature sensor

 - receptacle connector B of LPTACC valve position sensor

 - receptacle connector B of HPTAC valve position sensor

 - receptacle connector B of BSV switch.

 5 Harness CJ13
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R  (Ref. Fig. 034) Provides the Cr and Al thermocouple junctions interface between the 6 o'clock tube bundle junction box (where it
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 connects to mobile connector C134 from harness HJ13) and the following thermocouple sensors:

 - the two HPT case temperature sensors, Channels A and B

 - the nine T495 (EGT) temperature probes (averaged in the T495 thermocouple harness)

 - the two T3 temperature sensors (Channels A and B)

 - the T5 temperature sensor.

 (b) Harnesses with their Routing on the Fan Inlet Case and the Fan Frame
 1 Harness HJ7
_
R  (Ref. Fig. 035) Provides the electrical interface (Channels A) between the ECU (receptacle J7) and:
 - receptacle connector A of HMU

 - receptacle connector A of Fuel Return Valve (FRV)

 - receptacle connector A of N2 speed sensor.

 2 Harness HJ8
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R  (Ref. Fig. 036) Provides the electrical interface (Channels B) between the ECU (receptacle J8) and:
 - receptacle connector B of HMU

 - receptacle connector B of Fuel Return Valve (FRV)

 - receptacle connector B of N2 Speed sensor.

 3 Harness HJ9
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R  (Ref. Fig. 037) Provides the electrical interface (Channels A) between the ECU (receptacle J9) and:
 - receptacle connector A of T12 temperature sensor

 - receptacle connector A of control alternator

 - receptacle connector A of starter air valve solenoid position sensor (switch A)

 - receptacle connector A of N1 speed sensor.

 4 Harness HJ10
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R  (Ref. Fig. 038) Provides the electrical interface (Channels B) between the ECU (receptacle J10) and:
 - receptacle connector B of T12 temperature sensor

 - receptacle connector B of control alternator

 - receptacle connector B of Starter air valve solenoid position sensor (switch B).

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