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Home >> Ford >> 1990 >> Bronco 4.9 Y, Standard, M5OD-R2 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Test Fa - Neutral Drive Switch (NDS) A/C Input >> Test Fa: Step 9
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Test Fa: Step 9

9) Check Neutral Drive Switch  Turn key off and wait 10 seconds. Install breakout box, leave ECA disconnected. Set DVOM on 200-ohm scale. Disconnect vehicle harness from NDS at transmission and measure resistance across switch. If resistance is less than 5 ohms, remove breakout box. Reconnect all components and service open in NDS circuit. If resistance is more than 5 ohms, replace NDS and rerun QUICK TEST.