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.

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HOMESERVICE MANUALSFORD2005TAURUS SEL, 4D SEDANREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 764 (INTERIOR LIGHTING SYSTEM)DIAGNOSTIC TESTSINTERIOR LIGHTINGSYMPTOM CHART

2005 Ford Taurus SEL, 4D Sedan

Symptom Chart

2005 Ford Taurus SEL, 4D SedanSECTION Symptom Chart

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Only vehicles equipped with RKE will have a vehicle security module (VSM).

Symptom Chart

Condition	Possible Sources	Action
The interior lamps are inoperative	Fuse Circuitry Dimmer control switch Instrument cluster	Go to Pinpoint Test A .
An individual interior lamp is inoperative	Circuitry Interior lamp	Go to Pinpoint Test B .
The interior lamps stay on continuously	Circuitry Door ajar switch Dimmer control switch Instrument cluster	Go to Pinpoint Test C .
The illuminated entry is inoperative from one/both door handles	VSM Door ajar switches Circuitry	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
The illuminated entry is inoperative when using the remote transmitter/keypad	VSM Circuitry Instrument cluster	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
The demand lighting is inoperative	Fuse Circuitry Instrument cluster Central junction box (CJB)	Go to Pinpoint Test D .
All battery saver components do not operate	Fuse Circuitry Instrument cluster CJB	Go to Pinpoint Test D .
An individual demand lamp is inoperative	Circuitry Interior lamp	Go to Pinpoint Test E .
The battery saver does not deactivate after time-out	Circuitry Instrument cluster CJB	Go to Pinpoint Test F .
The interior lamps do not turn on with one door open	Circuitry Door ajar switch VSM Instrument cluster	Go to Pinpoint Test G .
An individual puddle lamp is inoperative	Circuitry Exterior mirror	Go to Pinpoint Test H .

RENDER: 1.0x

NO RELATED

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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.