Transmission Range Switch Logic. Buick GL7 (Export) 2000

For 1990-2009 cars

#### 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
Invalid | All Other Combinations

• | HI = Ignition voltage

• | LOW = 0 voltage