Transmission Range Switch Logic
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet SSR. However, it is still accessible from the selected car via links, so may be relevant.
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 |
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