Question about 2004 Buick LeSabre

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How to replace high low dimmer switch for head lights on 2004

I need some help on how to replace the high lower dimmer switch for the headlights on a 2004 Buick LaSabre.

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  • Anonymous Mar 31, 2014

    Need to replace a lower ball joint on a 2008 Buick LaCrosse sedan. I have a bumppy ride and believe that the ball joint might be bad.

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  • Master
  • 405 Answers

This will involve removal of your steering wheel and a couple of special tools, a steering wheel puller and a steering wheel lock ring compressor. If you have these are can rig your on, remove ground and wait ten minutes so the airbag system capacitor has time to discharge. Remove drivers air bag and detach wiring, remove steering wheel nut and notice align marks on wheel and steering wheel shaft and remember them. Remove the steering lockring retainer after compressing spring. from there you should remove Blinker stick, by turning shaft to line up to slot on hole and pull out, Remove clock spring and then switch, reverse to install. Hope this helps you some you can get complete instructions at www.alldatadiy.com, Hope this helps you and Merry Christmas!

Posted on Dec 23, 2008

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Posted on Jan 02, 2017

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1 Answer

Problem i am having is a no headlight issue i replaced my icm about a week ago and now i have no lights at all no dash lights no running lights no high beam lights


As far as interior lamps, there may be an interior dimmer, it rotates to increase or lower interior lamps, and usually includes the dash lamps.
If the lo beams work but not the hi beams, have to check headlamp dimmer switch.

Jun 13, 2016 | 1993 Buick Regal

1 Answer

Why don't lights work?


Both the headlight switch and the BCM provide a ground, or control circuit, to the headlight relay coil circuit for manual or automatic headlamp operation. When you place the headlamp switch in the OFF position, and the ambient light sensor indicates low light conditions, the BCM energizes the headlamp relay for low beam operation. You may switch the headlights to high beam by pulling the dimmer switch handle toward you until the dimmer switch is activated. When the dimmer switch is placed in the HIGH position, the indicator lamp input to the BCM is pulled low. The BCM then sends a class 2 message to the instrument cluster in order to illuminate the high beam indicator lamp.
Low and High Beams Headlamps Inoperative ?
Replace the headlamp switch. Refer to Headlamp Switch Replacement .
Did you check the headlamp relay ? Location ,left instrument panel
Did

Nov 11, 2015 | 2001 Chevrolet Monte Carlo

2 Answers

All of my running lights and blinkers work and high beams but no low beams on my 1997 Chevrolet TahoeA


Headlamps Inoperative - Low Beams

Step

Action

Value(s)

Yes

No

DEFINITION: This diagnostic procedure should only be used if the high beam headlamps are operating properly and the low beams are inoperative.

1

Did you perform the Headlights System Check?
--
Go to Step 2
Go to Headlight System Check

2

  1. Turn the headlamp and panel dimmer switch to the ON position.
  2. Move the headlamp dimmer switch to the LOW position.
  3. Backprobe the headlamp dimmer switch connector with a J 35616-200 from cavity A to ground.

Does the test lamp light?
--
Go to Step 3
Go to Step 5

3

  1. Remove the daytime running lamp relay.
  2. Connect a J 35616-200 at cavity G5 to ground.

Does the test lamp light?
--
Go to Step 4
Go to Step 6

4

  1. Re-install the daytime running lamp relay.
  2. Backprobe cavity B at the high/low beam headlamp with the headlamp dimmer switch in the LOW position.

Does the test lamp light?
--
Go to Step 7
Go to Step 8

5

Replace the headlamp dimmer switch.

Is the repair complete?
--
Go to Headlight System Check
--

6

Repair the open in CKT 359 (PPL) between the headlamp dimmer switch and the daytime running lamp relay.

Is the repair complete?
--
Go to Headlight System Check
--

7

Replace the high/low beam headlamps.

Is the repair complete?
--
Go to Headlight System Check
--

8

  1. Inspect for an open in CKT 12 (TAN) between the daytime running lamp relay and S120, repair as necessary.
  2. Replace the daytime running lamp relay if no open was found in CKT 12 (TAN) between the daytime running lamp relay and S120.

Is the repair complete?
--
Go to Headlight System Check
--

Jul 24, 2015 | Chevrolet Cars & Trucks

1 Answer

Headlights wont come on after replacing bulbs, high beams work tho. What do i do? 2002 buick regal


sounds like headlight dimmer switch that switches between hi and low beams has failed

Mar 03, 2015 | 2002 Buick Regal

1 Answer

1988 GMC Van headlights cut off when I tilt steering wheel.


You need to check the wires in the steering column. Take the column cover off, probably phillips-head screws, so you can see the wires. Somewhere the tilting function is putting pressure on the wires to the dimmer switch. It may be pulling loose a connection, just a fraction, to lose contact. You may also need a new dimmer switch. Or a multifunction switch if the dimmer switch is attached that way. The headlight switch is on the dash, isn't it? If it is, the headlight switch is not the problem, it is the wires in the steering column or the dimmer switch. If the dimmer switch fails, you will have no high or low beams, no head lights at all.

Jan 11, 2015 | GMC Cars & Trucks

1 Answer

I have a 2002 dodge grand caravan the headlights. One works on dim and the other works on bright. I've replaced both headlights and it did not fix it. What do I do next?


Sounds like a wiring problem. You may need a repair book to track it all down. Could be a ground connection too.
The headlight switch sends power to the dimmer, then thru the body control module, then the high and low beam relays, then the four fuses, then the actual headlights. So you should have power on the low or high beam fuses depending on which way the dimmer switch is positioned.

Feb 15, 2014 | 2002 Dodge Grand Caravan

1 Answer

My 2002 impala headlights don't work at night or in dark places like a tunnel or under a bridge, they only work in the day time. I have day time runner lights and they automatically turn on when I start my...


You can't turn them on manually with the switch . You have the switch set on auto ?
Headlamps
You can use the headlamps in two different ways.
• Place the headlamp switch in the ON position for normal operation.
• Place the headlamp switch in the OFF position for automatic lamp control (ALC). During ALC the high beam headlamps are On at reduced intensity for daytime running lamp (DRL) operation in daylight conditions, or low beam headlamps On in low light conditions.
The DRL/EXT LTS fuse and the EXT lamps fuse in the underhood junction block supply battery positive voltage at all times to both of low beam lamps and to the right high beam lamp. The low beam circuit continues to the high/low beam switch, then, depending on the position of the dimmer switch, connects to the normally-open headlamp relay switch contacts. Placing the headlamp switch in the HEAD position provides a ground path for the headlamp switch input of the Body Control Module (BCM). After receiving this input, the BCM energizes the headlamp relay. When the headlamp relay is energized, the low beam circuit is connected to ground G201. The high beam circuit is divided into a left and a right side circuit.
The DRL/EXT LTS fuse in the underhood ignition block supplies battery positive voltage to both the coil and to the normally-closed contact of the DRL relay switch circuit. During high beam operation, the left side current flow is through the closed contacts of the DRL relay, and to the left high beam lamp.
The EXT Lamps fuse in the top of the engine fuse block supplies battery positive voltage to the right high beam lamp. Both high beam circuits are then connected together, and continue to the dimmer switch. When the driver closes the high beam contacts of the dimmer switch, the circuit is grounded at G201.
Both the headlight switch and the BCM provide a ground, or control circuit, to the headlight relay coil circuit for manual or automatic headlamp operation. When you place the headlamp switch in the OFF position, and the ambient light sensor indicates low light conditions, the BCM energizes the headlamp relay for low beam operation. You may switch the headlights to high beam by pulling the dimmer switch handle toward you until the dimmer switch is activated. When the dimmer switch is placed in the HIGH position, the indicator lamp input to the BCM is pulled low. 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 headlights 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 the ACCY position, the headlights will remain ON until you turn them OFF or until the battery runs dead.

Dec 07, 2017 | Chevrolet Impala Cars & Trucks

1 Answer

1996 dodge Ram 1500 4x4 headlights dont work.All other lights work. Headlight lamps are all good. Could it be the switch or the multifunction switch? High beam works when I pull on the directional le


The headlight switch gets power for the headlights from a 50amp fuse.
The fuse powers the headlight switch then the dimmer switch breaks for high and low beams. So if the high beams work, the problem may be with the dimmer switch.
The dimmer switch is made into the turn signal switch on the column. You would need to check the low and high beam circuits at the switch for power.

Jan 14, 2013 | Dodge Pickup Cars & Trucks

1 Answer

None of the dials or lights on my instrument panel work on my 2002 buick lasabre


Do you have them turned off at the dash light dimmer control near the headlight switch?

Oct 04, 2012 | 2002 Buick LeSabre

1 Answer

Headlights stuck on high beams on 2004 Ford Expedition, dimmer switch not working


How do I get my High beams to turn off when the switch/lever is not working? (2012) Ford Explorer

Sep 29, 2012 | 2004 Ford Expedition

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