Question about 2000 Pontiac Grand Am GT

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2000 grand am gt headlights not working on dim

I have replaced the harness from the fuse block and the switch on the steering column. I have brights on the rt and only a dim light on the left when I switch to bright. I have power on the orange wire on the rt side and nothing on the left when i plug the bulb in on the rt I then have power on the blue and pink wires on the left. I have also replaced the relays in the fuse block and still nothing. thoughts? John

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  • Pontiac Master
  • 12,160 Answers

Not working on dim ???? Low beams ?

Posted on Jul 21, 2017

  • Jeff Armer Jul 21, 2017

    Do you daytime running lamps , auto lamps ?

    Headlights Circuit Description
    Ground for the headlamp switch is available at all times at connector C1 terminal 35. Battery voltage for the right headlamp is supplied through the RH HDLP fuse (CKT 640) to the following terminals:

    • Pontiac-B

    • Oldsmobile-A and B

    Battery voltage for the left headlamp is supplied through the LH HDLP fuse (CKT 740) to the following terminals:

    • Pontiac-through the DRL relay to terminal B of the headlamp

    • Oldsmobile --to terminal B and through the DRL relay to terminal A

    When the headlamp switch is placed in the HEAD position and the low beams are selected, ground is supplied to terminal A of both headlamps (D-Oldsmobile) from connector C1 terminal 34 of the headlamp switch through CKT 1201. When the headlamp switch is placed in the HEAD position and the high beams are selected, ground is supplied to terminal C of both headlamps from terminal 33 of the headlamp switch through CKT 1200. Selecting flash-to-pass on the headlamp switch momentarily supplies ground for the headlamps via CKT 150.
    Here is a web site for free wiring diagrams .http://www.bbbind.com/free_tsb.html Enter vehicle info. year , make , model an engine size . Under system click on lighting then under subsystem click on headlamps . Click the search button then on the blue link.

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Posted on Jan 02, 2017

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beest921
  • 23 Answers

SOURCE: Automobile electrical problem

I hate to say it but GM "W" bodies of that time period ( Regal, Cutlass Supreme, Lumina, and Grand Prix) are notorious for turn signal problems. I'm a machanic and also have owned 3 W body vehicles. The pivot bushing in the switch wears prematurely and in turn causes the copper contacts to barely touch each other. If the contacts are dirty, there is resistance. Where there is resistance, there is heat, hence the smoke. It's just a poor design. What I do instead of replacing the switch requires some time and some surgical skill but it always works for me. At the pivot end of the switch, I remove the screw and remove the metal tube insert. I wrap the metal with electrical tape to take up the slack from the wear then grease the heck out of it. At the contact end I attach a piece of sheet metal to the bottom of the movable part of the switch so it sits underneath the non-moveable part making it so the moveable part can't lift up and lose contact. That's just a vague description but if you want a detailed one let me know and I'll write one. I did it to my '89 Regal 4 yrs. ago and to my wife's Grand Prix 1 yr. ago and they both still work great. Just a design flaw in the switch. Sometimes you have to pick up wher the car companies left off! beest921

Posted on Jul 22, 2008

Charlie1221
  • 61 Answers

SOURCE: Headlight Replacement not as bright

You should check the connection on the back of the light before replacing the whole thing.

Hope you got this in time.

Posted on Jan 27, 2009

csmock132
  • 4669 Answers

SOURCE: 2002 Grand Am GT Headlights seem dim , fog lights dont work

Check at the headlight sockets for a bad ground.

Posted on Mar 02, 2009

gregr_41018
  • 43 Answers

SOURCE: 2000 grand prix headlights not switching to bright

you need to replace the melted housing ... you can pick them up from local junkyard for pennie on the dollar. if this is helpful please rate

Posted on Apr 19, 2009

SOURCE: Just had the engine replaced in my 2001 Pontiac

Have you considered going back to the place that replaced your motor. They surely are responsible for not making things worse. You just asked for a different motor and not all the electrical issues. Don't throw parts at it.

Posted on Feb 11, 2010

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1 Answer

How do I remove left turn signal switch on 2002 silverado


if your bulbs are fine check connections at base of steering column it would be unusual for the switch to be bad this is a multifubction switch it controls not only turns but wipers bright dim controls washers ect if it is bad you'll need to disarm the air bag remove steering wheel remove access panel under steering wheel remove possibly remove pressure plate under the steering wheel if torq bolts aren't visible there will be three unbolt harness at block connector it bolts together remove two flat connectors for block connector rought wires through column then repeat process on reassembly

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2002 express 1500 headlights go out while driving turn key off and back on they work then go out again


You'll need to check all your connections by your headlights foward harness on both the left as well as the right side also does this happen in either the bright or dim mode or both check your ground at both locations these are located close to you foward harnesses. these lights are fused make sure your fuses haven't come loose. next the i/p harness behind the battery may be loose or have a loose terminal. If none of these repair the issue lookm inside at the multifunction switch connections located at the left side at the base of the steering column access this by removing the trim. or if it's one set of lights doing this look at the bulbs.

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1998 buick century only high beams and turn signals work. No headlights. I have checked breakers, relays,fuses,power at headlight switch, power at headlight harness, all are good.


The Buick Century is equipped with a multi-switch. This switch is an all in one switch that controls your cruise control, windshield wipers and turn signals in one switch. This switch also controls dimming and brightening of your headlights. The dimmer switch is simple to replace, and all you need is a phillips head screwdriver to complete the task.

  1. Removing the Steering Column Shroud
    • Removing the dimmer switch starts at the steering column. To plan this task out, access the steering column by removing the screws holding the steering column shroud in place. This will expose the turn signal lever. Remove the lever by twisting it forward, and pulling it out of the switch.
    Removing the Dimmer Switch
    • The switch is held on by two screws and a wiring harness. The wiring harness can be removed by prying up on the locking tabs and pulling the connector out of the socket. The two screws can be removed with a phillips head screwdriver. The switch will slide out. To install a dimmer switch, be sure to repeat these steps in reverse order.

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1 Answer

Both headlights quit working simotaneously


There are just (3) possible reasons for this:
(a) your headlight switch has failed, or
(b) your headlight relay has failed.
(c) Fuse 1 (25 Amps) has blown

The headlight relay and fuse 1 are located (I think) in a fuse/relay block under the hood.
The headlight switch is part of the "Multi-function Switch" on the steering column.

Here's how to replace the 2001 PT Cruiser multi-function switch:

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Multi-Function Switch Removal & Installation
1. Open the hood.
2. Disconnect and isolate the battery negative cable.
3. Remove both upper and lower steering column shrouds.
4. Disconnect both posi-lock harness connectors at the rear of the multi-function switch.
5. Remove multi-function switch mounting screws and remove switch from vehicle.




To Install the new multi-function switch:

Note:
If replacing the multi-function switch, the combination flasher and windshield wiper/washer switch
must be transferred to the new multi-function switch.

1. Remove the two Torx(R) screws retaining the wiper/washer switch, place next to the new
multi-function switch and install two screws.
2. Place switch into place and install mounting screws. Torque multi-function switch to column
retaining screws to 27 inch-lbs. (3 Nm).
3. Connect both posi-lock harness connectors at the rear of the multi-function switch.
4. Install both upper and lower steering column shrouds.
5. Connect the battery negative cable.
6. Close hood.
7. Verify vehicle and system operation.

Mar 15, 2011 | 2001 Chrysler PT Cruiser

1 Answer

2000 Chevy Impala Battery problem, got new battery worked fine for a few days and then it has to be boosted again. Something running the battery down.. Then the bright dim switch for the head lights...


Sounds like your headlight dimmer switch has gone bad and was shorting everything out

You will need to order an HEADLIGHT DIMMER SWITCH

And you have to take the steering column apart (remove air bag and steering wheel) to replace it.

This take special tools and knowledge...if your not sure take it to a pro.

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1 Answer

2000 grand prix headlights not switching to bright


you need to replace the melted housing ... you can pick them up from local junkyard for pennie on the dollar. if this is helpful please rate

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2002 Grand Am GT Headlights seem dim , fog lights dont work


Check at the headlight sockets for a bad ground.

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It's the dimmer switch in the column.

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This is cuased by the multifuntion switch that is located on the steering column. It is the swith with the headlight dimmers on it.

You just need to remove the steering column bezels and replace the multifunction switch.

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