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Home >> GMC >> 2005 >> Jimmy Part Time, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Introduction & Repair Instructions >> Specifications >> Transmission Range Switch Logic
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Transmission Range Switch Logic

Transmission Range Switch Logic

Gear Selector Position Signal A Signal B Signal C Signal P
Park (P) LOW HI HI LOW
Reverse (R) LOW LOW HI HI
Neutral (N) HI LOW HI LOW
Drive 4 (OD) HI LOW LOW HI
Drive 3 (3) LOW LOW LOW LOW
Drive 2 (2) LOW HI LOW HI
Drive 1 (1) HI HI LOW LOW
HI = Ignition voltage
LOW = 0 volts