Question about 1999 Ford Taurus

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Interior courtesy light

Interior courtesy lamps won't come on when door is opened and glove box lamp and under dash courtesy lamps will not come on. Is this a interior lamp relay gone bad?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

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  • 24 Answers

SOURCE: door chime and courtesy light (under side mirror)

     You have broken wires in the flexable harness between the door and the body. Pull the rubber boot back to inspect.

Posted on Nov 29, 2008

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blueextc3221
  • 15935 Answers

SOURCE: door ajar alarm

The doorlach pin is faulty.
On newer vehicles it is inside the door on the locking mechanism.
It is stuck in the closed position, or has become dislodged.
Refer to your mechanic for repair.

Posted on Jan 12, 2009

  • 1 Answer

SOURCE: Gauges, Power Windows, Auto Lamps radio interior lights dont work

Sounds like an ignition switch problem, maybe even at the key.

Posted on Feb 21, 2009

chuck943
  • 783 Answers

SOURCE: interior light and diagnostic plug doesn't work

The data link gets it's power from fuse no. 3(20 amp) in the interior fuse panel,which also is the power for cig. lighter. This fuse gets it's power from fuse no. 103 in the battery junction box (50 amp).

For the interior lights the door adjar switches in the door send a signal to the GEM module.It then grounds the coil side of the interior lamp relay. The switch on the dash that you turn on manually also grounds the coil side of the interior lamp relay so that would mean that everyrhing after the GEM is ok.Are the lights not turning on from any door including the deck lid? If not then problem would have to be in the GEM module.

Posted on Feb 26, 2009

  • 130 Answers

SOURCE: 1999 Ford Taurus fuse box

It should use fuse location 22. The fuse panel is located below and to the left of the steering wheel by the brake pedal. Remove the panel cover to access the fuses. To remove a fuse use the fuse puller tool provided in the fuse panel cover.

The black wire is always the ground. Ford used an assortment of color stripped wires for positive.

Posted on May 03, 2009

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1 Answer

I have an 06 Buick Lucerne rear courtesy lights do not work front courtesy lights work fine?


The BCM receives battery voltage from the CTSY/RF TRN fuse in order to supply power to the courtesy lamps. The BCM applies this voltage to the courtesy lamps through the courtesy lamp supply voltage circuits. When any door is opened, the door open switch contacts close and the BCM receives a door-open signal. If the BCM receives a door lock or unlock signal, the BCM will activate the courtesy lamp supply voltage circuit, providing battery voltage to the dome lamps and the left and right footwell courtesy lamps. The courtesy lamps can be manually activated by placing the interior lamp switch in the DOME position. For more detailed information concerning courtesy lamp operation refer to Interior Lighting Systems Description and Operation.
The BCM receives battery voltage from the INT LAMPS fuse in order to supply power to the inadvertent courtesy lamps. Inadvertent power courtesy lamp feature provides a similar function for the interior lamps as a retained accessory power feature. The BCM will energize the courtesy lamps supply voltage circuit when the BCM is in the active state (awake). When the inadvertent power courtesy lamps supply voltage circuit is energized, it supplies voltage to all the interior lights listed below. The BCM will continue to supply voltage to the interior lamps after the ignition is turned OFF so that the interior lamps may be operated.

Feb 15, 2018 | Buick Cars & Trucks

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No fuse is labeled for interior lights. Which one is it?


My thought would be room lamp, 15 amp. Interior fuse box.
room lamp-fbbrvblkyjd2vx3vg52rv21p-3-0.jpg

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1 Answer

2008 Saturn Vue Hybrid courtesy lights up front and mid cabin don't go on when door is open. Rear cargo does. Otherwise they do work


When the body control module (BCM) is in an active state (awake) it energizes the courtesy lamps supply voltage circuit. The courtesy lamps supply voltage circuit supplies voltage to all of the interior lamps, including the illuminated entry lamps (courtesy lamps). The illuminated entry lamps are turned ON when they receive a battery positive voltage from the courtesy lamp supply voltage circuit of the BCM. When the ignition is in the LOCK position the BCM will apply the courtesy lamp supply voltage circuit under the following conditions:
• The door jamb input transitions to an active state (opening a door).
• The use of the remote keyless entry (RKE) to unlock the side doors.

Do you know how to do automotive electrical circuit testing using a DVOM- digital volt ohm meter and a wiring diagram to pin point testing areas of a circuit ?
Circuit/System Description
The body control module (BCM) applies battery voltage to the courtesy lamps through 2 separately controlled courtesy lamp supply voltage circuits. When any door is opened, the door ajar switch contacts close and the BCM receives a door-ajar input. If the BCM receives a door lock or unlock input or a rear hatch open input, the BCM will activate the courtesy lamp supply voltage circuits, providing battery voltage to all of the instrument panel (I/P) courtesy lamps, dome lamps, rearview mirror lamps, and rear compartment lamps. In the event that any of these lamps were to remain illuminated for more than 20 minutes with the ignition switch in the OFF position, the BCM will deactivate the courtesy lamp control circuits to prevent a total battery discharge condition.

You can view free wiring diagrams here http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model and engine ! Under system click on lighting ,then under subsystem click on interior lighting . Click the search button then the blue link. Looking at the first diagram you will see on the top left a fuse box , this B+ for the BCM ,top right is the BCM .You will see three wires coming out the bottom of the BCM , these go to your courtesy lamps , The thing's that look like a open switch inside the BCM , they are transistors or high side drivers . When commanded these supply B+ voltage to the lights . Finding the BCM an testing output voltage would be my first step , before taking the inside of the vehicle apart to find wiring harness to test .

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1 Answer

I have a 2007 Buick Lucerne and the front reading lamps won't turn off.


Overhead Console Lamp and Roof Rail Courtesy/Reading Lamps
The courtesy/reading lamp is a duel purpose lamp that can be illuminated two different ways. First, the lamp can be turned ON during courtesy lamp operation as described above. Second, the lamps can be turned ON individually for reading lamp operation by the lamp switch. The BCM supplies battery voltage from the INT LAMPS fuse through the inadvertent power courtesy lamps circuit to the courtesy/reading lamps for reading lamp operation only. Ground for the courtesy lamp module or the roof/rail reading lamps is provided at G402

Courtesy Lamps
When either one of the front doors is opened, ground is applied through the door latch door open switch and the door open switch signal circuit to the door module indicting the door open position. In response to this signal, the door module sends a GMLAN serial data message to the BCM of the door open position. Or, when either one of the rear doors is opened, ground is applied through the door latch door open switch and the rear door open switch signal circuit to the BCM is indicating the rear door open position. Once a door open message or signal received, the BCM will then apply battery voltage from the CTSY/RF TRN fuse through the courtesy lamp supply voltage circuits illuminating the lamps listed below:
• Overhead console lamp
• Roof rail courtesy lamps
• Footwell courtesy lamps The BCM receives battery voltage from the INT LAMPS fuse in order to supply power to the inadvertent courtesy lamps. Inadvertent power courtesy lamp feature provides a similar function for the interior lamps as a retained accessory power feature. The BCM will energize the courtesy lamps supply voltage circuit when the BCM is in the active state (awake). When the inadvertent power courtesy lamps supply voltage circuit is energized, it supplies voltage to all the interior lights listed below. The BCM will continue to supply voltage to the interior lamps after the ignition is turned OFF so that the interior lamps may be operated.
• Overhead Console Reading Lamps
• Roof Rail Reading Lamps
• Vanity Mirror Lamps
• I/P Compartment Lamp
• Rear Compartment Courtesy Lamp
In the event that any of these lamps were to remain illuminated for a period of more than 20 minutes with the ignition switch in the OFF position and no BCM input activity, the BCM will deactivate the inadvertent power supply voltage circuit to prevent a total battery discharge condition. The BCM receives battery voltage from the CTSY/RF TRN fuse in order to supply power to the courtesy lamps. The BCM applies this voltage to the courtesy lamps through the courtesy lamp supply voltage circuits. When any door is opened, the door open switch contacts close and the BCM receives a door-open signal. If the BCM receives a door lock or unlock signal, the BCM will activate the courtesy lamp supply voltage circuit, providing battery voltage to the dome lamps and the left and right footwell courtesy lamps. The courtesy lamps can be manually activated by placing the interior lamp switch in the DOME position. For more detailed information concerning courtesy lamp operation refer to Interior Lighting Systems Description and Operation.

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1 Answer

Where is the location to replace overhead lights fuse in 2003 oldsmobile aurora


Rear fuse box. INT LP 10 amp . there is also INT LP relay in the same rear fuse box .
Fuse Block - Rear
Under the rear seat, on the left side of the floor pan
The INT LP fuse in the fuse block - rear supplies battery positive voltage to the normally open switch contacts of the INT LP relay. The INT LP fuse also supplies battery positive voltage to the INT LP relay control circuit. The fuse block - rear also supplies battery positive voltage to the relay control circuit for the front courtesy lamp. The door modules communicate on a simple bus interface (SBI). When you open any door, the switch contacts of the door open switch close. When a door open signal circuit is grounded, that door module sends a message to the drivers door module (DDM) in order to indicate that a door is open. The DDM sends a class 2 message to the rear integration module (RIM) in order to indicate which door is open. The RIM activates the INT LP relay in order to provide battery positive voltage to the interior courtesy lamps. When any front door is opened, the RIM will energize the FRT CTSY lamp relay grounding the I/Pcourtsey lamps at G302. Depending on which doors are opened, front or rear, the proper interior courtesy lamps illuminate. The RIM provides a pulse width modulated ground to all interior courtesy lamps for the interior lights theater dimming feature. Some of the courtesy lamps are also used as reading lamps, each reading lamp may be manually turned on or off using it's own respective switch

Sep 24, 2015 | Oldsmobile Cars & Trucks

1 Answer

Where is the fuss for the curerys y lights in 2002mercury. Sable


It is located in the central junction box under the dash , F2.26 10Amp. fuse . along with interior lamps relay K333 .
Lamps, Courtesy The interior courtesy lamps are controlled by the generic electronic module (GEM) and are activated by the interior lamp relay. The interior lamp relay coil is grounded by the GEM when:
  • a door is opened.
  • illuminated entry is requested from remote anti-theft personality module.
The courtesy lamps will turn off if:
  • ignition switch is turned to RUN.
  • illuminated entry off request is received from remote anti-theft personality module or after 25-seconds.

Jun 20, 2015 | Cars & Trucks

2 Answers

2008 ford explorer light control module


Hi Rich , what lights are you talking about ? Exterior Lighting , Interior Lighting ? It doesn't matter All lights are controlled by SJB smart junction box ! An you can't just stick in a used one , It will need to be programmed ! Interior Lighting The interior lighting system consists of the following components:
  • Smart junction box (SJB)
  • Dimmer control switch
  • Interior/map lamps
  • Cargo lamp
  • Glove compartment lamp
  • Vanity mirror lamps
  • Door ajar switches
  • Puddle lamps
The interior lighting system consists of 2 subsystems:
  • Courtesy lamps
  • Demand lamps
The courtesy lamps are controlled by the SJB. The courtesy lamp subsystem consists of the interior dome lamps, the puddle lamps and the overhead console lamps (if equipped). The SJB supplies voltage to the courtesy lamps when the SJB receives the required input.
The demand lamps are controlled by the SJB. The demand lamps subsystem consists of the glove compartment lamp, all map/reading lamps, and the left and right vanity mirror lamps.
The SJB supplies power to the interior lighting system. The SJB will set DTCs if certain circuit failures exist with the interior lighting system.
Exterior Lighting Headlamps
The headlamp system is a dual-beam pattern system. It consists of a low and high beam, with a replaceable bulb. The headlamp assembly has the park/turn indicator lamp integrated into the headlamp assembly. The smart junction box (SJB) supplies voltage to the headlamps when demanded.
Principles of Operation
The SJB receives inputs and delivers outputs to a majority of the electronically-controlled features of the vehicle. The SJB constantly monitors the systems under its control and reports a concern in the form of a DTC. The DTC can be retrieved with a scan tool through the medium speed controller area network (CAN) communication network.
NOTE: Prior to the removal of the SJB, it is necessary to upload the module configuration information to the diagnostic tool. This information must be downloaded to the new SJB after installation. For additional information, refer to Section 418-01 .

Feb 25, 2015 | 2008 Ford Explorer

1 Answer

2002 ford expedition interior lights are not on what fuse is it?


Courtesy Lamps - central junction box. fuse # F1.21 that goes to interior lamp relay in the instrument cluster and F.24 this fuse powers battery saver relay .
Interior Lighting The interior light system consists of the following:
  • front map lamp assembly
  • front door courtesy lamp
  • generic electronic module (GEM)
  • glove box lamp assembly
  • central security module
  • interior lamp switch
  • interior lamp relay
  • illuminated vanity mirrors (Navigator only)
  • reading lamp assembly
  • rear courtesy lamp
  • running board lamp
  • underhood lamp assembly
  • The generic electronic module (GEM) illuminates the interior lamps when an unlock signal is received from the remote anti-theft personality central security module. The illuminated entry feature will be canceled when any of the following conditions are met:
    • 25 seconds have elapsed since the illuminated entry feature was activated and the interior lamp control is not activated (door ajar or courtesy lamp switch on).
    • The GEM receives a request from the central security module (remote transmitter lock button pressed) and the interior lamp control is not activated.
    • The ignition is in the RUN or START position and the interior lamp control is not activated.
    The GEM will illuminate the interior lamps when any door is open or ajar. The interior lamps are; the dome lamp, the rear cargo lamp, the door courtesy lamp and the side rail lamps. The courtesy lamps will shut off when the doors are closed and the illuminated entry feature is not active or when the vehicle speed is greater than 5 mph (8 km/h). The interior lamps will not be reactivated until the vehicle speed is less than 3 mph (5 km/h) and a new door open warning lamp switch is received.
    The GEM controls the interior lamps illuminated entry function by activating the interior lamp relay.
  • You have an electronic control module and relays involved in the operation of these lights also !

  • What

    Jan 08, 2015 | 2002 Ford Expedition

    1 Answer

    Interior lights blink off and on, does not stop


    Interior lights blink off and on ????? As in dome lamps, dash light's etc...??? An what the heck is this mean We were told to hinge the module?????? I have been an automotive technician over 30 yr's an never heard the term hinge the module. The interior lighting on your vehicle is controlled by the smart junction box , ford's BCM body control module . ( Electronic's ) Who checked the vehicle ? Dealer ?
    Interior Lighting The interior lighting system consists of the following:
    • Smart junction box (SJB)
    • Interior/map lamp assembly
    • Rail lamps (if equipped)
    • Glove compartment lamp assembly
    • Dimmer switch
    • Illuminated vanity mirrors (if equipped)
    • Rear cargo lamp
    • Puddle lamps (if equipped)
    • Door ajar switches
    • Liftgate glass ajar switch
    The interior lighting system consists of 2 subsystems:
    • Courtesy lamps
    • Demand lamps
    The courtesy lamps are controlled by the SJB. The courtesy lamp subsystem consists of the ajar switches, the interior dome lamps, the puddle lamps, the roof rail lamps, the cargo lamp, and the overhead console lamps (if equipped). The SJB supplies voltage to the courtesy lamps when the SJB receives the required input.
    The demand lamps subsystem consists of the glove compartment lamp, the dimmer switch, the cargo lamp, all map/reading lamps, the roof rail lamps, and the LH and RH vanity mirror lamps.
    The SJB supplies power to the interior lighting system. The SJB sets DTCs if certain circuit failures exist with the interior lighting system.
    Visual Inspection Chart Mechanical Electrical
    • Courtesy lamps
    • Map lamps
    • Vanity lamps
    • Door ajar switches
    • Smart junction box (SJB) fuse(s):
      • 9 (15A)
      • 10 (15A)
      • 25 (10A)
    • Circuitry
    • Courtesy lamps
    • Map lamps
    • Cargo lamps
    • Vanity lamps
    • Glove compartment lamp
    • Dimmer switch
    • SJB

    1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
    1. NOTE: Make sure to use the latest scan tool release software. If the cause is not visually evident, connect the scan tool to the data link connector (DLC).
    1. NOTE: The vehicle communication module (VCM) LED prove-out confirms power and ground from the DLC are provided to the VCM. If the scan tool does not communicate with the VCM:
      • Check the VCM connection to the vehicle.
      • Check the scan tool connection to the VCM.
      • Refer to Section 418-00 , No Power To The Scan Tool, to diagnose no communication with the scan tool.
    1. If the scan tool does not communicate with the vehicle:
      • Verify the ignition key is in the ON position.
      • Verify the scan tool operation with a known good vehicle.
      • Refer to Section 418-00 to diagnose no response from the powertrain control module (PCM).
    1. Carry out the network test.
      • If the scan tool responds with no communication for one or more modules, refer to Section 418-00 .
      • If the network test passes, retrieve and record the continuous memory DTCs.
    1. Clear the continuous DTCs and carry out the self-test diagnostics for the SJB.
    1. If the DTCs retrieved are related to the concern, go to the Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Chart or the Power Liftgate Module Diagnostic Trouble Code (DTC) Chart. For all other DTCs, refer to Section 419-10 .
    1. If no DTCs related to the concern are retrieved, GO to Symptom Chart .
    Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Chart DTC Description Action B1320 Driver Door Ajar Circuit Open Go To Pinpoint Test C . B1328 Passenger Door Ajar Circuit Open Go To Pinpoint Test C . B1331 Decklid Ajar Rear Door Circuit Failure Go To Pinpoint Test C . B1336 Door Ajar RR Circuit Open Go To Pinpoint Test C . B1572 Door Ajar LR Circuit Go To Pinpoint Test C . B1688 Lamp Dome Input Circuit Short to Ground Go To Pinpoint Test C . B2077 Liftgate Ajar Circuit Failure Go To Pinpoint Test C . B2A35 Interior Lighting Output Circuit Open If the courtesy lamps are inoperative, Go To Pinpoint Test A .
    If the courtesy lamps stay on continuously, Go To Pinpoint Test C . B2A36 Interior Lighting Output Circuit Short to Ground Go To Pinpoint Test A . B2A39 Puddle Lamp Output Circuit Open Go To Pinpoint Test J . B2A3A Puddle Lamp Output Circuit Short to Ground If the puddle lamps are inoperative, Go To Pinpoint Test J .
    If the puddle lamps are always on, Go To Pinpoint Test L . All other DTCs - REFER to Section 419-10 .

    Oct 08, 2017 | Ford Expedition Cars & Trucks

    1 Answer

    Trunk cargo light not working after LED installed....


    The SJB supplies power to the interior lighting system. The SJB will set DTCs if certain circuit failures exist with the interior lighting system.
    Visual Inspection Chart Mechanical Electrical
    • Courtesy lamps
    • Map lamps
    • Luggage compartment lamp
    • Vanity lamps
    • Glove compartment lamp
    • Smart junction box (SJB) fuse 3 (15A)
    • Circuitry
    • Courtesy lamps
    • Map lamps
    • Luggage compartment lamp
    • Vanity lamps
    • Glove compartment lamp
    • SJB

    Check fuse # 3 SJB

    Jul 07, 2017 | 2010 Ford Fusion 2.5

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