Entire Seat Will Not Go Forward Or Back (Up & Down Functions Operate Normally)
1) Turn ignition off. Disconnect inoperative power seat switch. Disconnect inoperative power seat motor connector. Using ohmmeter, check resistance of Light Green wire between power seat switch harness and power seat motor harness. If resistance is 5 ohms or less, go to next step. If resistance is not 5 ohms or less, repair open in Light Green wire.
2) Check resistance of Tan wire between power seat switch harness and power seat motor harness. If resistance is 5 ohms or less, replace inoperative power seat switch. If resistance is not 5 ohms or less, repair open in Tan wire.