Question about 1966 Ford Mustang

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On the older model headlight system there are three prongs, a top, and one on each side, i need to know which one is ground, high, low, and are both hot when on high beam. thanks, rick

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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

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Posted on Jan 02, 2017

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Benimur
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SOURCE: no driving or high beam headlights

Hi,

To my knowledge a 2003 Toyota Camry uses a dual filament halogen bulb, either by Osram, Philips or Sylavania. If on the dashboard, the blue indicator lits when the switch is moved to bright or the passlight is engaged but no headlight, then it could jut be busted bulb (or part of it since you still have driving/low beam). In some cases, it could be the relay that supplies power direct to the bulb. At other times, it could be fuse(s) assigned to high beam. At certain instances, it could be also a loose, corroded or burned connector.

Corrective measure for your concern would be to check the 2 bulbs. This is performed by removing the rear covering (rubber or plastic cap) of the headlight assembly from the rear. The bulbs are held in place by a spring clip that needs to be unlatched from the base/holder. Carefully remove the bulb taking care not to touch the glass envelope. The filaments would be readily visible and cut/breaks would be apparent. If determined that one of the filaments (high beam) is open, replace the bulb(s).

If the bulbs prove to be OK, you need to work yourself backwards tracing the wiring harness. After the bulb, check the 3 prong connector for any corrosion or scorching/burnt marks; clean as maybe required. Next to check would be the relay that provides the +12VDC and then the fuse.

I doubt if the dashboard or steering wheel components involve with headlights may be at fault.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Posted on Jun 02, 2008

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  • 3 Answers

SOURCE: low beam headlights do not work, but high beam headlights do

They do now have more than one beam.

Posted on Jul 19, 2008

  • 193 Answers

SOURCE: high beams wont turn on.

First place to start is with headlight switch. I did have a case many years ago when both high beams were blown out at once, but this is rare. When you have the headlight switch out, jump power from te low beams to the high beam contacts. If high beams come on, replace switch.
Bill

Posted on Nov 19, 2008

  • 491 Answers

SOURCE: headlights work on high beam but not on low beam is there a fuse

on these cars if 1 of the bulbs blow out then you will have to replace them both because they wont work. replace both headlight bulbs and they will be just fine

Posted on Dec 29, 2008

  • 326 Answers

SOURCE: 2008 Ford F-250 Low beams do not work. High beams are fine.

just remove all the connections as it could be malfunction in the switches and the wirings needs to be rechecked to make it proper.other option could be bad dimmer switch. You will need to replace the turn signal/ dimmer switch as an assembly.to replace you will need to disable the air bag, drop the column, pull the wheel

Posted on Jan 10, 2009

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2 Answers

Passenger headlight dim /only on low beam


Depends on just how dim it is. If not too dim, I would first make sure the bulb is the same brand/model you have installed on the other side. It is very unlikely it's a problem with the dimmer switch, but may be a problem with the headlight relay or connector pins at the headlight.

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What year and model is your subaru ?

Is it a singe ground issue? Fuse? ?????????? Without doing some testing we would be just guessing. You need to test the electrical circuit to know for sure . Voltage drop testing !
Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia
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You need a wiring diagram so you know what wires to test . Free wiring diagrams here http://www.bbbind.com/free_tsb.html Enter vehicle info. Year , make , model and engine size . Under system click on lighting ,then under subsystem click head lamps . Click the search button then the blue links. Look at the wiring diagram to see what all is involved in making the head lamps work .

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My low beams in a 1993 toyota pickup are not working. the high beams do, all other lights do as well. there is power going to all three ports in the headlight plug


Of the three wires going to the headlight bulb, one should be a ground.
If you unplug the connector you should have power on one wire for low and one for high, and one should be the ground.
If you have replaced one of the bulbs and know it is good, I would look at the dimmer switch, the headlight switch and the ground circuit.

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I have a wiring problem.


Need your make and model. Usually low/high beam lights have 3 inputs. While high beam only lights have only two. Every make/model has different color schemes so that's why it's important to have full make/model. Someone with experience could easily do it with a multi-meter. It's all 12 volts. One ground, two hot wires one for low one for high.

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My passenger side headlight does not work properly, and I cannot understand why. There are several oddities about it: 1. The bulb does not illuminate in low beams, but it works in high beams. 2. I've...


Did you check the ground wire for that light? Using your voltmeter, put the positive probe on the battery terminal and your negative lead to the pin/socket that provides ground for the lamp. If you are reading 0 volts, you need to check the ground wire for proper grounding.

Mar 24, 2017 | 2008 Chevrolet Cobalt

1 Answer

High beams work low beams do not


you don`t say if you have checked the fuses for the headlights.if the fuses are okay and you know that the low beam filaments are working.you may have to feed power and ground directly to the proper headlight prongs from the battery to make sure the bulbs are good.then it could be a relay for the low beams or a switch for the headlights.you don`t say if you have daytime running lights on this car as there is a module for this system that may be the problem for the now low beams.

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1 Answer

My headlight is not working, the driving light is very dim but the high or low beams will not work. the ground wire looks good. what could my problem be?


I don't know what model year your truck is, but is sounds like your headlamp is burned out. You can verify the wiring is working using your test light at the headlight connection. Turn on the headlights and touch the test light to each terminal of the wiring harness when the light switch is on both high and low beam. Two out of the three wires should light up.

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I have a 1998 landrover freelander how do i adjust the headlights ?


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You will have vertical adjustment screws for each independent beam (separate highs and separate lows, but will be same screw if highs and lows are the same bulb). You may also have additional horizontal adjustment screws as well

Park your car on a level ground 30 feet from a wall and measure the height from the ground to the bulb and mark on a wall (do this for highs beams and low beams if the bulbs are separate, if highs and lows are the same bulb, only do it for the lows)

For Low Beams: If the headlights read VOR, then aim the brightest part or cutoff part just below the mark on the wall. If it says VOL or nothing, aim them 2 inches below the mark on the wall.

For High Beams (if separate from low beams): Aim the headlight directly at the line you marked on the wall.

Jul 14, 2009 | 2004 Land Rover FreeLander

1 Answer

Headlight willnot come on in 1994 isuzu P/U, however brights work


one of those three prongs sould be ground, one should only come on with the high beams, and the other only with the head lights. if all three have 12v power you have a short somewhere.

Mar 20, 2009 | 1991 Isuzu Pickup

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