Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Lincoln Navigator 4WDFACTORY OEM SERVICE PROCEDURE
Mini Relays
- Remove relay to be tested. Check continuity between relay terminals. Continuity should exist between terminals No. 85 and 86, and between terminals No. 30 and 87A. Continuity should not exist between terminals No. 30 and 87. See Figure . If continuity exists as specified, go to next step.
- Connect jumper wire between battery positive terminal and relay terminal No. 85. Connect second jumper wire between relay terminal No. 86 and negative battery terminal. Continuity should now exist between terminals No. 30 and 87. If continuity exists as specified, relay is okay at this time. If continuity does not exist as specified, replace relay.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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