Question about 2006 Buick LaCrosse CX

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What and where is the DRL relay so I can find and check it?

The light will not go off unless you remove the battery power source and the advice is to check the DRL so please expand on that suggestion and tell and show where it is. Thank you

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  • 21 Answers

Daytime Running Lights Relay. It is located with the rest of your fues and is Relay 35 i believe.

http://www.fixya.com/cars/t10801455-lowbeam_headlights_2006_buick_lacrosse

Posted on Mar 18, 2014

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Posted on Jan 02, 2017

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01 expedition headlights stuck on


Low beam ? high beam ? DRL - daytime running lamps ?
  • The headlamps are on continuously
  • Headlamp switch.
  • Circuitry.
  • Multifunction switch.
  • DRL relay 2 (if equipped).
  • DRL jumper (if equipped).
  • Headlamp relay (if equipped).
  • RAP module (if equipped).
  • Light sensor amplifier (if equipped).
  • GO to Pinpoint Test F .

F1 CHECK THE HIGH BEAM CIRCUIT FOR SHORT TO POWER
Pull CJB Fuse 16 (20A) - central junction box ,inside the vehicle ! Ignition on !
  • Do the headlamps continue to illuminate?
  • Yes GO to F2 .
    No - REINSTALL the fuse.GO to F12 .
  • F2 CHECK CIRCUIT 12 (LG/BK), 160 (DB/WH), AND 161 (DG/OG) FOR SHORT TO POWER
  • pull fuse's CJB Fuse 21 (10A) , CJB Fuse 22 (10A)
  • Do the headlamps continue to illuminate?
  • Yes - REPAIR circuit 12 (LG/BK), 161 (DG/OG), or 160 (DB/WH) as necessary. TEST the system for normal operation.

    No - REINSTALL the fuses. If equipped with daytime running lamps (DRL), GO to F3 .

    If not equipped with DRL, GO to F6 .

  • YOU CAN FIND WIRING DIAGRAM AT
http://www.bbbind.com/free_tsb.html Do you know how to use a wiring diagram ? Videos on youtube .

F3 CHECK CIRCUIT 13 (RD/BK) FOR SHORT TO POWER
do you know how to do this test ?

pull the
DRL Relay 2

  • Do the headlamps continue to illuminate?
Yes REPAIR circuit 13 (RD/BK). TEST the system for normal operation.

No GO to F4 .


  • Do the headlamps continue to illuminate?
Yes REPAIR circuit 13 (RD/BK). TEST the system for normal operation.

No GO to F4 . F4 CHECK THE DRL RELAY 2 Carry out the relay test for the DRL relay 2; refer to Wiring Diagrams, Cell 149, Component Testing.
  • Is the relay OK?
Yes GO to F5 .

No INSTALL a new DRL relay 2. TEST the system for normal operation. F5 CHECK CIRCUIT 1032 (WH/BK) FOR SHORT TO POWER Measure the voltage between DRL relay 2 pin 2, circuit 1032 (WH/BK), harness side, and ground.
  • Is voltage present?
Yes REPAIR the circuit. TEST the system for normal operation.

No GO to F6 . F6 CHECK CIRCUIT 1033 (RD/YE) FOR SHORT TO POWER
Multifunction Switch C259
Measure the voltage between multifunction switch C259 pin 507, circuit 1033 (RD/YE), harness side, and ground.
  • Is voltage present?
Yes If equipped with DRL, REPAIR circuit 1033 (RD/YE). If without DRL, REPAIR circuit 13 (RD/BK), circuit 1033 (RD/YE), or DRL jumper as necessary. TEST the system for normal operation.

No If equipped with autolamps, GO to F7 . If without auto lamps, GO to F11 . F7 CHECK THE HEADLAMP RELAY Carry out the relay test for the headlamp relay; refer to Wiring Diagrams, Cell 149, Component Testing.
  • Is the relay OK?
Yes GO to F8 .

No INSTALL a new headlamp relay. TEST the system for normal operation. F8 CHECK CIRCUIT 7 (LG/YE) FOR SHORT TO POWER
Light Sensor Amplifier C216

Rap Module C257

Park Lamp Relay
Measure the voltage between headlamp relay pin 2, circuit 7 (LG/YE), harness side, and ground.
  • Is voltage present?
Yes REPAIR the circuit. TEST the system for normal operation.

No GO to F9 . F9 CHECK THE HEADLAMPS FOR ILLUMINATION Check the headlamps for illumination.
  • Are the headlamps illuminated?
Yes GO to F10 .

No CHECK the headlamps while reconnecting the RAP module and light sensor amplifier. INSTALL a new RAP module or light sensor amplifier as necessary. TEST the system for normal operation. F10 CHECK CIRCUIT 15 (RD/YE) FOR SHORT TO POWER Measure the voltage between multifunction switch C259 pin 15, circuit 15 (RD/YE), harness side, and ground.
  • Is voltage present?
Yes REPAIR the circuit. TEST the system for normal operation.

No GO to F11 . F11 CHECK THE MULTIFUNCTION SWITCH Carry out the multifunction switch component test; refer to Wiring Diagrams, Cell 149, Component Testing.
  • Is the multifunction switch OK?
Yes INSTALL a new headlamp switch; REFER to Lamp Switch-Headlamp . TEST the system for normal operation.

No INSTALL a new multifunction switch; REFER to Section 211-05 . TEST the system for normal operation. F12 CHECK CIRCUIT 632 (GY/OG) FOR SHORT TO POWER
Multifunction Switch C259
Measure the voltage between multifunction switch C259 pin 12, circuit 632 (GY/OG), harness side, and ground.
  • Is voltage present?
Yes REPAIR the circuit. TEST the system for normal operation.

No INSTALL a new multifunction switch; REFER to Section 211-05 . TEST the system for normal operation.

Jan 21, 2017 | Cars & Trucks

1 Answer

Headlight won't turn on


sounds like your fusible link blew .part of positive battery cable

Oct 16, 2015 | Cars & Trucks

2 Answers

Where is fuse or relay for instrument lights on 95 geo metro


i see your other anonymouse post.
the head lights are dead. rigtht, key off?
test the head lights, DRL is not part of starting forget DRL for now.
just use manual head lights to see if battery has power.
they must be bright.
the battery must read 12.6vdc rested, does it? (voltmeter)
are you in CANADA WITH DRL (They have it we dont USA)

the 2 HL fuses must be good , headL and HEADL
when you turn the HL switch to on, the relay closes HL relay
it apples, a ground to the low beam lamps and they both glow
see red arrows below
do they? or not. and battery must be 11vdc cranking minimum.
a dmm meter is only $10 at walmart, and is less that the parts
you have already guessed wrong.


25438078-kalp3hcs4zrijdworb0f53lx-2-0.jpg

Feb 16, 2015 | 1995 Geo Metro

2 Answers

Daytime running lights not working


Assuming this is an LX, check 7.5A fuses 9 and 5 in the driver's underdash fuse/relay box. Fuse 9 applies power to the DRL indicator light in the gauge assembly which connects to the DRL control unit. Fuse 5 supplies power to the DRL control unit when the ignition is on. Also check 100A fuse 41 in the underhood fuse/relay box which supplies power to the headlight relays. Setting the headlight switch to HEAD causes the headlight relays to close and apply power through 20A fuses 45 and 43 in the underhood fuse/relay box to the low beams. Low beam power also passes through the DRL diode to close the high beam cut relay and prevent high beam use during DRL operation.

Sep 23, 2012 | 2002 Honda Accord

1 Answer

I tried to disable DRL but when i did my low beams dont work, any ideas?


You are wasting your time. This system is automatically controlled by the Daytome Running Lamp module. The system requires the daytime running lamp relay to work in order for the low beam headlamps to work. Any attemps to "disable" the daytime running lamps will also disable the low beam headlamps. I think what you are having problems understanding is that your headlamp switch does not actually turn the lights on. The switch only provides power so the DRL module can operate....it doesn't send power directly to the lamps. The power to the lamps is provided by the relay, which is operated by the DRL module. Unless you want to completely "re-engineer" the ENTIRE headlamp system, you are not going to get it to work the way you are wanting it to.

May 20, 2012 | 1999 Chevrolet Tahoe

1 Answer

Headlamps inoperative daytime running lamps come on then go out jumped out headlamp switch ground circuit out still no headlamps.


It sounds like your DRL RELAY/Headlight relay. I had this happen with a 2000.

Please rate me if this helps You.

Here is some info that I hope is helpful to you.

This first part is how to disable the DRL
TOYOTA. From the Toyota technical service bulletin EL011-00 Web site for specific models determine where the module is; either the DRL relay or the body ECU, connector number, pin #. Oct 6,2000.

Avalon 1999 DRL relay D4 pin 1
Avalon 2000 body ECU B5 pin 6
Camry S/D 99* DRL relay D6 pin 23
Camry S/D 00* DRL relay D6 pin 10 *twilight sentinel
Camry Solara99/00* DRL relay D6 pin 23
Celica 2000* body ECU B6 pin 17
Corolla 99/00* DRL relay D3 pin 23
ECHO 2000 DRL relay D2 pin 12
4Runner 2000 DRL relay D8 pin 2
Land Cruiser 99/00 DRL relay D8 pin 2
MR2 Spyder 2000 DRL relay D2 pin 12
RAV4 99/00 DRL relay D17 pin 2
Sierra 99/00 DRL relay D4 pin 2
Tacoma 2000 DRL relay D8 pin 2
Tundra 2000 DRL relay D7 pin 2
-disconnect battery- Then remove the wire with pin attached and tape to the harness. (consider just cut and tape the wire) -check operation- [except the 2000 MY-Avalon, additionally you need to ground the wire at the module end of the cut wire]


And here is the Headlamp relay part number.

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Mar 19, 2010 | 1998 Toyota Corolla

1 Answer

I have a 2005 Nissan Altima 2.5 S. headlights are not working....


Does your car have daytime running lights? It may be the drl module. The relays are part of the IPDM (intelligent power distrubution module) and are not serviceable. If the drl module is faulty the symptoms are, no drl, and one or more lights not working. Usually not grounding within the drl module.

Feb 02, 2010 | 2005 Nissan Altima

3 Answers

99 Honda Odyssey daytime running lights working intermittently


I had the same sort of problem. I removed the DRL relay from behind the glove box, (a dark gray box, marked as DRL RElay, A screw driver will easily remove the cover from around the plug. Removed the circuit board, and resoldered about twlve connections, they looked brownish around them which indicates overheating, as a result of greater resistance from a poor connection. Fixed in 1/2 hour, from removal to driving.

Feb 23, 2009 | 1997 Honda Odyssey

1 Answer

Day time running light problem


The problem with the DRL issue describd in the above posts is the DRl module(it needs to be replaced). The buzzing relay and intermittent on/off of passenger side DRl are indicators that the module needs to be replaced.

Feb 14, 2009 | 2004 Honda Pilot

1 Answer

Headlights. sensor


You could replace the sensor or try disconnecting the DRL control module .What relay was replaced ? I see no relay on wiring diagrams or in service info. Replacing the Daytime Running Lamp (DRL) Ambient Light Sensor isn't hard . Just take the top dash pad off ,easy .
Removal Procedure
Remove the instrument panel (IP) upper trim. Refer to Instrument Panel Upper Trim Pad Replacement in Instrument Panel, Gages and Console.
Remove the security system LED. Refer to LED Indicator Replacement - Vehicle Security System in Theft Deterrent.
Twist the DRL sensor counterclockwise in order to remove the sensor from the IP upper trim.
Remove the DRL sensor from the wiring harness.

Removal Procedure
Remove the windshield garnish molding. Refer to Windshield Pillar Garnish Molding Replacement in Interior Trim.
Important: Remove the upper trim panel slowly, the retainer clips could possibly fall into the instrument panel.
Lift the instrument panel (IP) upper trim panel approximately 51 mm (2 in) and pull rearward to release the retainers.
Remove the DRL ambient light sensor. Refer to Daytime Running Lamp (DRL) Ambient Light Sensor Replacement in Lighting Systems.
If equipped, remove the sun load sensor.

Pull the windshield garnish molding from the A-pillar in order to disengage the retaining tabs and clips.
Remove the windshield garnish molding from the A-pillar.

Daytime Running Lamps (DRL) Control Module
Left side of the IP

Removal Procedure
Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
Remove the instrument panel insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gages and Console.
Slide the daytime running lamp module from the bracket.
Disconnect the electrical connectors.

Oct 24, 2017 | 2002 Chevrolet Venture Passanger

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