Question about 2008 Land Rover Range Rover Sport

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HEADLAMP GOES ON AND OFF

AFTER TURNING ON HEADLAMPS THE LEFT SIDE GOES OFF AND ON

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Bad ground or a bad bulb socket

Posted on Nov 27, 2012

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2008 Saturn aura wont start after trying to put rt.low lowbeam replacement


On the inside of the lid is a diagram .
The headlamps may be turned ON 2 different ways. First, when the driver places the headlamp switch in the HEADLAMP position, for normal operation. Second, with the headlamp switch placed in the AUTO position, for automatic lamp control (ALC). During ALC, the headlamps will be OFF in daylight conditions, or low beam operation in low light conditions. Battery positive voltage is supplied to the low beam relay and the high beam relay in the underhood fuse block. When low beam headlamps are requested, the body control module (BCM) supplies ground to the coil side of the low beam relay. This activates the relay and the relay supplies voltage to the left hand low beam headlamp through the LH LOW BEAM fuse and to the right hand low beam headlamp through the RH LOW BEAM fuse. Ground for the left hand low beam headlamp is provided at G101. Ground for the right hand low beam headlamp is provided at G102. When high beam headlamps are requested, the body control module (BCM) supplies ground to the coil side of the high beam relay. This activates the relay and the relay supplies voltage to the left hand high beam headlamp through the LH HIGH BEAM fuse and to the right hand high beam headlamp through the RH HIGH BEAM fuse. Ground for the left hand high beam headlamp is provided at G101. Ground for the right hand high beam headlamp is provided at G102.

Aug 14, 2017 | Saturn Cars & Trucks

1 Answer

My mph and temperature control lights blink along with my headlights. headlights also do not come on when car is started and then do not stay on like before until I open the door.05 buick lacrosse


Your headlamps , instrument cluster lights , warning lights , gauges etc... are all computer controlled in some way . Could have DTC'S - diagnostic trouble codes stored in various modules on your vehicle ! That is always the first place to start. This problem if no DTC'S are stored , checking the affected electrical circuits for shorts , opens , high resistance etc... would be a good next step . Also checking power and grounds of controlling module , in this case the BCM - body control module .

The body control module (BCM) applies a pulse width modulated (PWM) voltage to the headlamp module and high beam relay in the underhood fuse block. The ground for the headlamp module is supplied from G113 or G115. For normal manual low beam operation when the headlamp switch is place in the HEAD position, ground from G202 is applied through the headlamp switch and to the BCM through the headlamp switch headlamps ON signal circuit. The BCM then applies a PWM voltage to the headlamp module/high beam relay voltage supply circuit. The headlamp module then applies battery positive voltage through the left front (LF) and right front (RF) LO Beam fuses to the left and right low beam headlamps. The ground for the left headlamps is supplied by G101 and the ground for the right headlamp is supplied by G100.
For high beam operation, ground is applied at all times to the headlamp dimmer switch from G202. When the headlamp dimmer switch is placed in the HIGH position, ground is then applied through the headlamp dimmer switch signal circuit to the BCM. The BCM then applies a ground to the headlamp high beam relay control circuit. This energizes the HI Beam relay, the relay then applies battery positive voltage through the LF and RF HI BEAM fuses to the LF and RF high beam headlamps. The ground for the left headlamps is supplied by G101 and the ground for the right headlamp is supplied by G100.
The BCM then sends a class 2 message to the instrument cluster in order to illuminate the high beam indicator lamp. If the headlamp switch is left in the HEAD position, the inadvertent power control feature will turn OFF the headlamps after 10 minutes after you turn the ignition switch to the OFF position. If you place the headlamp switch in the head position after the ignition switch has been turned OFF, or if the ignition switch is in ACCY position, the headlamps will remain ON until you turn them OFF or until the battery runs dead.

Jan 17, 2017 | Cars & Trucks

1 Answer

Right low beam headlight does not come on but my right turn signal will stay even tho i diddnt turn it on. If I cut on my high beams the rurn signal cuts off. Whats wrong? Helo


It could be the lamp control module !
Headlamps
Battery positive voltage (B+) is applied at all times to the lamp control module (LCM) through the underhood fuse block HDLP fuse.
When you place the headlamp switch in the HEAD position, the headlamps input to the LCM is grounded. The LCM then applies battery positive voltage (B+) through the underhood fuse block HDLOBML fuse and HDLOBMR fuse, which feed the left low beam headlamp and the right low beam headlamp respectively. When you activate the headlamp dimmer switch by pulling on the multifunction lever until the switch clicks, the high beam input circuit to the LCM in grounded . The LCM then removes battery positive voltage (B+) from the low beam headlamps and supplies battery positive voltage (B+) through the underhood fuse block HDHIBML fuse and HDHIBMR fuse, which feed the left high beam headlamp and the right high beam headlamp respectively.
Check this fuse in the left under hood fuse box first. HDLOBMR Fuse 18 10 Amp. RH Low Beam Headlamp . If the fuse is good check for B+ voltage with the low beams on . Use a test light or volt meter . If you look on top of fuse there are two metal tabs ,check there for B+ voltage , If no B+ voltage the LCM - lamp control module isn't supplying any .
Lamp Control Module (LCM)
Under the left side of the IP, to the right of the steering column
Turn Signal Flasher
Under the left side of the IP, to the right of the steering column
Lighting Systems Component Views in Lighting Systems
Lighting Systems Connector End Views in Lighting Systems
Turn Signal/Hazard Switch
In the left front of the passenger compartment, in the steering column

Apr 28, 2016 | 2000 Buick Park Avenue

1 Answer

98 cad deville headlights stay on headlight & twilight sentinel switch is off along with the ign. i'm stumped can you help. Ted


Did you check the high/ low beam headlamp relay ? Stuck contacts in side relay .Plus headlamp relay an DRL relay .All are located in the underhood relay center .
The headlamps are controlled by the body control module (PZM). The battery positive voltage (B+) is applied at all times through the HDLPS fuse at the switch side of the headlamp relay via CKT 340 (ORN).
Battery positive voltage (B+) is also applied at all times through the RADIO/PHONE fuse to the coil side of the high/low beam headlight relay via CKT 40 (ORN/BLK). Both relays are controlled by the PZM at separate output cavities.

When the headlamp switch is in the HEAD position, the instrument cluster headlamp switch input is grounded through CKT 10 (YEL) and the headlamp switch. The instrument cluster sends a request through the Class 2 serial data line to the BCM in order to active the low beam headlamps. The BCM supplies positive battery voltage (B +) to the coil side of the headlamp relay via CKT 352 (WHT). The coil receives ground through the headlamp switch via CKT 10 (YEL). The coil of the headlamp relay is then energized, closing the switch contacts. Battery positive voltage (B +) is then applied through the high/low beam headlamp relay via CKT 1346 (LT BLU) and the L HDLP LO fuse and R HDLP LO fuse via CKT 12 (TAN) to the left and the right low beam headlamps respectively.
This may sound pretty complex .
1
Was the Headlights System Check performed?
--
YES - Go to Step 2
NO - Go to Headlight System Check
2
Are the park lamps also on?
--
YES - Go to Step 3
NO - Go to Step 13
3
Connect a Scan Tool to the data link connector (DLC).
Inspect the IPC headlamp switch input.
Does the headlamp switch operate properly?
--
YES - Go to Step 4
NO - Go to Step 10
4
Disconnect the instrument cluster (IPC) connector C3.
Do the headlamps and park lamps turn off?
--
YES - Go to Step 5
NO - Go to Step 6
5
Replace the instrument cluster (IPC). Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console.
Is the repair complete?
--
Go to Headlight System Check
Is the repair complete?

6
Disconnect the body control module (PZM) connector C2.
Do the headlamps and park lamps turn off?
--
Go to Step 7
Go to Step 8
7
Replace the body control module (PZM). Refer to Body Control Module Replacement in Body Control System.
Is the repair complete?
--
Go to Headlight System Check
--

Your best bet is to take it to the dealer .

Mar 18, 2016 | Cars & Trucks

1 Answer

Explorer 2007 Right Head Lamp And HighBeam Problem


Have you checked the bulbs? There are individual fuses for each headlamp so you'll want to check those also. they are in the battery junction box which is under the hood on the driver's side, fuse 29 is for the right headlamp and fuse 34 is for the left headlamp.

Jul 27, 2015 | 2007 Ford Explorer Eddie Bauer

1 Answer

2005 Jaguar XJ8, headlamp issue/malfunction, when the headlamp switch is in the delay position the headlamps come on multiply times long after you have left the car, when driving with the lamps in the on...


check your battery connections, and cable connections for battery are making a good connection, also check that your lighting connections are good; providig proper current

Nov 04, 2013 | Jaguar Cars & Trucks

1 Answer

I have a 2011 Hyundai Elantra . I am going to Canada and have to install a DRL. I have a Grote 44040 Module,but the instructions for my car are not clear - can you help?


Okay, this is pretty simple. There are three wires:
1. Pink - Goes to your ignition circuit - provides power to the module when the ignition switch is in the ON position this wire should also have an inline fuse .
2. Yellow - this one goes to the headlamp low-beam circuit on your vehicle - provides power to the healamps any time the ignition switch is on and the headlamp switch is off.
3. Blue - this one goes to your park/marker lamp circuit - signals the module that the headlamp switch has been turned on and cuts power from the yellow wire so headlamps can operate normally.

Your car should work very well with this:
Go to the engine compartment fuse and relay box. Here you will find fuses for the low beam headlamps and the high beam headlamps. There are fuses for the left and right sides. Don't worry about whether you are working with the left or the right, because both of these fuses get their power from the low beam relay - it splits beyween left and right after the relay. If you power one of these fuses, you will power them both. The yellow wire can connect either to the fuse itself (with a fuse tap) or you can splice into the low beam headlamp wiring as it comes out of the fuse block. Where the ER FRONT harness plugs in to the fuse block the headlamp circuits are GREEN for the high beam and YELLOW for the low beam. Look for Pins 16 and 17. (These will be the easiest to identify because they are right next to each other) Pin 16 should be GREEN and Pin 17 will be YELLOW. The YELLOW wire from the DRL module connects to the YELLOW wire at Pin 17.

Next is the PINK wire on the DRL. On the same connector (ER FRONT) at the fuse block, Pin #11 should have two wires: a RED/BLACK wire and a PINK wire. Splice the PINK wire from the DRL to the PINK wire that comes out of this connector. - this wire is only hot with the key in the ON position.

The BLUE wire on the DRL wil have to connect to either the left or right side marker lamp circuit. The easiest place to do this would be at the headlamp assembly. The marker circuits will be a GREEN/ORANGE wire at the left headlamp assembly, or you can go to the PINK wire at the right headlamp assembly. (The left side would probably be the easiest.) It is important to hook to one of these wires and not one of the turn signal or headlamp circuits. It will not function properly if you do this.
If you hook to a headlamp circuit, it won't work at all and if you hook to the turn signal it will cause your headlamps to flash off every time the turn signal flashes on.

Turn the ignition switch on, and you should have DRL headlamps. Check the function of all of your lights after installation, including the high- beams and turn signal - just to make sure it is wired correctly.

GOOD LUCK!

Apr 07, 2011 | 2011 Hyundai Elantra Touring

1 Answer

Have headlight issue with 2000 grand am gt. left head light is dim and orange park lights and markers work . headlights turn on automaticly as should. the day light running lights also do not come on. the...


Ground for the headlamps on your vehicle are after the turn/ headlamp / wiper switch . No grounds under the hood . ground G-201 is the ground point for the headlamps .

G201
On the left side of the IP, near the fuse block

you should look at a wiring diagram ! You can view one here at
http://www.bbbind.com/free_tsb.html

There is a left an a right headlamp fuse located in the under hood junction block (fusebox) B+ voltage from that fuse goese directly to the headlamps from the headlamps goes back to the junction block (internal ) from there to the headlamp switch , ground is through the switch to G- 201 . Find the problem with voltage drop testing . Watch this video . Between the left headlamp an ground you have a high resistance problem . Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia

Mar 04, 2017 | 1999 Pontiac Grand Am GT

1 Answer

I need to find the fuse location for the headlamps on a 1999 Audi 2.8 A4 Quattro? Can you help?


The fuses location for the headlamps on a 1999 Audi 2.8 A4 Quattro are:
F18 (10 A) - RH headlamp - high beam
F19 (10 A) - LH headlamp - high beam
F20 (10 A \ 15A) - RH headlamp - low beam, headlamp adjustment
F21 (10 A \ 15A) - LH headlamp - low beam, headlamp adjustment

For Audi A4 the fuse box is located on the left side of dashboard behind a plastic cover (for left hand steering wheel vehicle). On inner face of the plastic cover you will find the fuse diagram.

Sep 20, 2010 | 1999 Audi A4

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