Avalanche, Sierra, Silverado, C&K Series, 1999-2005

Automatic Transmission 2

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4l80-E/4l85-E



Automatic Transmission Controls Schematics


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Fig. Switch Inputs(c) (2004)



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Fig. Tow/Haul Switch and PNP Switch Inputs(c) (2004)



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Fig. Valve Controls and Brake Switch(c) (2004)



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Fig. Vehicle Speed Signal and 4WD Low Signal(c) (2004)



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Fig. Switch Inputs(c) (2004)



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Fig. Tow/Haul and PNP Switch Inputs(c) (2004)



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Fig. Valve Controls and Brake Switch(c) (2004)



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Fig. Vehicle Speed Signal and 4WD Low Signal(c) (2004)



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Fig. Switch Inputs(c) (2004)



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Fig. Tow/Haul Switch and PNP Switch Inputs(c) (2004)



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Fig. Valve Controls and Brake Switch(c) (2004)



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Fig. Vehicle Speed Signal and 4WD Low Signal(c) (2004)

Allison



Automatic Transmission Controls Schematics


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Fig. MIL Control, Serial Data and Torque Signals(c) (2004)



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Fig. Power, Ground and Brake Switch(c) (2004)



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Fig. Pressure Switches and Fluid Temperature(c) (2004)



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Fig. Shift Solenoids and PNP Signals(c) (2004)



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Fig. Speed Sensors(c) (2004)

 
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