General lighting questions, such as those relating to changing bulbs, diagnosing lighting faults, etc

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19
votes
2answers
165 views

Does (forcefully) overriding the self-canceling damage my indicator levers?

Sometimes I don't want my indicators to self cancel, so I hold the indicator on while turning the wheel, and it makes a cracking/clicking noise. Am I damaging anything if I do this? EDIT: To ...
11
votes
3answers
113 views

Brake lights don't illuminate until pedal is pressed by about 5-10mm

2003 Opel Agila My brake lights do not light up until I have pushed the pedal down by about 1cm. If I rest my foot on the brake pedal, with the brakes applied a little bit then the brake lights do ...
10
votes
2answers
65 views

Peculiar Interior Lighting Issue

Recently a friend of mine was driving a VW Fox (not new, I'm not sure what year but it was certainly 5+ years old) home in the dark with the lights on. Strangely, after a minute or two of driving all ...
9
votes
3answers
227 views

How do you test analogue electrical circuits?

When trying to diagnose problems with conventional analogue electrical circuits, such as lights, speakers, heated rear windows, etc, as well as short-circuits and unexplained current draws, it can be ...
9
votes
2answers
124 views

headlights come on by themselves when car sitting in sun

if sitting in the sun on a hot day, my family's 1995 Mazda protege 323's headlights will come on, even though they are not switched on. This occurs with the car off, and the keys out. The simple way ...
7
votes
2answers
2k views

What are reverse lights used for besides showing intention to reverse?

Recently I have noticed cars in parking lots with their reverse lights on even when the driver is not behind the wheel. I stop to let the drivers back out, and then realize they have no such ...
7
votes
1answer
67 views

backup lights stay on in park and switch off

I am working on a 2003 ford explorer sport trac.The backup lights stay on and I have to remove the fuse to turn them off.
6
votes
2answers
381 views

How to replace front fog light housing on a Corsa C 2005

I need to replace my front fog light housing before my MOT as it's completely ruined. What is the best way to do this? DO I need to take the entire bumper off? The image below is what I'm ...
6
votes
3answers
93 views

Are there any (legal) ways to increase halogen headlight brightness?

My 2003 Opel Agila has H4 combined full and dipped beam headlight bulbs which are completely useless in the dark. It is really hard to see anything on the dipped beam. They do not seem to be very ...
6
votes
2answers
60 views

Correct behavior of 2001 Prelude front side markers when hazards on

I am attempting to diagnose a fairly insidious electrical issue in a 2001 Honda Prelude SH. My question is: With the ignition off and the headlights off, but the hazard switch on, what should the ...
6
votes
1answer
122 views

Why do cars still use mechanical blinker relays?

I think the electronic relays may be cheaper; and having less moving parts they are theoretically less prone to break. So, why do cars still use mechanical relays for turning lights?
5
votes
1answer
45 views

Brake lights and turn signals don't work (but head and tail lights do) on 1998 Ford Expedition

A friend of ours just bought a 1998 Ford Expedition. Not working: Hazard flashers Turn signals Brake lights However, head and tail lights both work when they're turned on. We tested the brake ...
5
votes
1answer
10k views

How should the lights for a trailer be hooked up?

I have a tent trailer and the lights don't work right. It has a 4 wire connector to my car but one of the wires on the trailer connector was worn out and probably not working. So I got a new 4 prong ...
5
votes
2answers
55 views

2000 Honda Accord - Attempts to start cause lights to go out with no clicking and fails to start

I tried to start my car less than a minute after turning it off last night and it wouldn't turn over... it wouldn't even click. I tried a few times and then let it rest. After a 30 minute phone call ...
5
votes
1answer
32 views

Parking Light Switch Engages Head Lights

On my 1996 Ford Explorer when I turn the knob for my headlights (3 positions, 1 for off, 2 for parking lights, 3 for headlights) to position 2 it turns on my headlights, when I turn to position 3 it ...
5
votes
0answers
58 views

2003 Buick Century Right Turn Signal Stuck when dark out, car dies when left gets used

I have a 2003 Buick Century and whenever it is dark out my car turns my lights on automatically upon turning the car on, the right blinker stays solid. This has been going on for a while but now when ...
4
votes
4answers
8k views

Is there any benefit to replacing lights in pairs?

Similarly to this question, the replacement tail/brake combined lights I bought from Halfords for a Chevrolet Lacetti advised that the bulbs be replaced in pairs. They're dual filament conventional ...
4
votes
3answers
93 views

Mini Cooper 2003 - Identify rear indicator light wiring to install LED resistor

So off the back of a previous question, I need to install a resister to my cluster in order for the LEDs in the indicators to work properly and not hyper flash. Here is an image of the wiring that I ...
4
votes
3answers
46 views

My low beams don't work

My low beams on my 2007 Honda Accord are out. The high beams work, the day lights work, Just the lows don't work. I have changed both bulbs. I have checked all fuses and all relays and they are all ...
4
votes
3answers
149 views

Why are taillights usually colored red?

Why do taillights usually use red glass? And why are the indicator lights usually with yellow/orange glass?
4
votes
2answers
876 views

Volvo V60 Daytime Running Light - what is the bulb type? Instructions to replace bulb? Or what relay/fuse to replace?

That ^ is a 2010 Volvo V60, UK, with one daytime running light that doesn't work. (The one on the other side is fine). So I want to replace the bulb rather than drive to the Volvo dealer (which ...
4
votes
2answers
3k views

Possible short in reverse lights on 2003 Nissan Frontier Pickup Truck

When I engage reverse on the manual transmission of my 2003 Nissan Frontier pickup truck, the reverse lights tend to sporadically turn on and off. I'm trying to figure out what path to take to ...
4
votes
2answers
272 views

Audi A6 : brighter reversing lights?

On my 2007 A6 the reversing lights are very feeble, enough to make it quite difficult to reverse in my own driveway in the dark. I understand that I can't simply use higher-wattage bulbs or LED ...
4
votes
3answers
296 views

What is the name of this part on a 2003 Mazda Protege5?

I'm coming up empty-handed on a Google search so maybe I'm not searching with the right vocabulary. I have 2 LEDs out and I'm not sure if the single bulb can be replaced or if it's one single part ...
4
votes
1answer
20 views

Volvo Turn Signal Light Problem

My dad has an old Volvo V70 from 2001. One of the blinkers (that yellow light that you turn on if you go left or right) is not working properly. Sometimes it works, sometimes it doesn't. We opened ...
4
votes
1answer
37 views

Vehicle light problems 101 (2000 buick century)

How can make really dim brights brighter. And the dash light doesn't turn on (the prnd and mileage lights). I've jumped my car once when it died and they all turned on but they never did after ...
4
votes
1answer
49 views

Can't recognise or open these custom motorcycle lights

The previous owner of my Honda Hornet 900 was a brilliant mechanic but a terrible electrician. They added some extra lights that are beautifully fitted but wired illegally. There's a basic switch on ...
4
votes
1answer
568 views

Brake Lights Won't go On, Tail Lights Won't go Off

I noticed that my tail lights stay on even with no keys in the ignition, but that my brake lights have stopped working. Also, my left turn signal blinks double speed. When I remove the fuse for the ...
4
votes
1answer
52 views

Strange electrical issue with after market brake lights

I've got a 1991 Jeep Wrangler. About 3 years ago I put LED brake lights on. They worked great until just a couple days ago, when the drivers side stopped working. Shortly after, they started working ...
4
votes
0answers
135 views

Dash Lights and Headlight Angle Adjust Stop Working

I have a 99 Nissan Almera on which the horn was replaced a few days ago and I just noticed that the dashboard lights and the headlight angle adjuster are no long working. A more powerful aftermarket ...
3
votes
5answers
233 views

What are Daytime Running Lights for?

I'm looking to buy a car for the first time, and I see the option to have a Daytime Running Lights. What are they for, and do I need them? I live in Los Angeles, where the the two seasons that do ...
3
votes
1answer
98 views

Motorbike has no power, but kick start works

First up the motorcycle in question is a Skyteam V-Retro 250 (V-Raptor in some countries). On the way home last night I noticed that my tail lights weren't working so I bought a new bulb like I had ...
3
votes
3answers
5k views

Lights randomly coming on in middle of the night

I have 2011 Volkswagon Jetta 2.5 and have been having an intermittent issue where my lights seem to come on randomly in the middle of the night. This only seems to happen in the winter. When I came ...
3
votes
1answer
32 views

Troubleshooting Trailer Lights

I have checked the connection on the truck and all are working fine but when the trailer is hooked up I have turn signals and running lights but no brake lights and with the running lights on I press ...
3
votes
4answers
4k views

Alternative reverse light switch

I am about to take me ute to get a "safety" certificate so that I can get it registered (QLD, Australia) and I have one issue left that is still a possible problem. The switch that operates the ...
3
votes
1answer
27 views

What are the possible causes for a tail light that comes on when bumped?

I took my car to the dealer to have some recall work done. He mentioned that some of the lights on the car were out including the license plate light and the driver side tail light. When examining the ...
3
votes
3answers
1k views

LED tail lights flashing at ultra high speed

I've just replaced the old tail lights on my 1993 Triton ute with LED ones. Now I have the issue where the indicators flash at such a high speed it may as well not be flashing at all. If I put the ...
3
votes
1answer
719 views

Turn Signal Randomly Changes Directions

I have a 2005 Dodge Dakota. The left turn signal has started randomly switching over to blinking the right signal light. When it happens, the sequence is usually: Turn on the left signal, it blinks ...
3
votes
1answer
36 views

Is it Possible to Control Lights through OBD-II Port?

Is it possible to use a car's onboard diagnostic port to toggle the headlights, interior lights, or parking lights? If not through the OBD-II port, how would I go about remotely toggling the lights on ...
3
votes
1answer
43 views

CanBus - monitoring

My Volvo (2002) uses CANBus to monitor various lamps (I assume its current that's monitored). I intend to splice into one of the headlamps and one of the sidelamps and use those live feeds to dim ...
3
votes
2answers
13k views

How do I replace a bulb in a Ford Focus?

One of the bulbs in my front passenger side headlamp has blown. It's not the side light or the main beam but the other one that would be used in normal night use. I have a couple of questions ...
3
votes
1answer
25 views

Radio lights are on

I have a 2001 Chrysler Sebring and when I turn my car off the radio still glows with the time and CD that's playing, is that normal?
3
votes
1answer
1k views

Central Locking Help: Why are there 3 wires for each door lock?

Tl;Dr: I want my hazards to flash with the central locking. I need to wire them up together with a diode to each side (left and right). The central locking has 3 wires My questions are: Does anyone ...
3
votes
1answer
2k views

Honda Accord 2005 Headlight relay location

Side marker and full(high) beam working fine, but not dipped (low beam) headlights. Checked all fuses - ok. I looked at the cover of the fuse box above (pic below). Honda Accord 2005 under-bonnet ...
3
votes
1answer
561 views

Volvo 850 dashboard lights not working

My Volvo 850's dashboard lights and instrument lights for the radio and A/C are not working properly. This happened two nights ago when I was driving, everything just went dark. The lights in the car ...
3
votes
1answer
207 views

Brake lights on '94 Honda Prelude stuck on

All 3 brake lights on my Prelude seem to be permanently stuck on. This occurs all of the time - the lights stay on even if there is no key in the ignition. I've had to disconnect the battery. Would ...
3
votes
1answer
1k views

Help setting up Bi-Xenon lights with h4 wiring

I am doing one of the oh-so controversial HID retrofits - I got myself I nice pair of projectors and bulbs (I am using cheep ballasts until I have the money for some nice OEM ones). The projectors I ...
3
votes
1answer
59 views

Is there a kit that would allow me to replace a sealed beam headlamp with a halogen bulb?

In the future, I could just replace the bulb as needed without replacing the whole lamp. This is for a 1997 Toyota Tacoma 4x4.
3
votes
3answers
746 views

2003 Nissan 350 Z won't accelerate

We own a Nissan 350 Z and this morning it would not start. It would turn over but it wouldn't fire. After pulsing the gas a little bit it would start but then letting off the gas would cause it to ...
3
votes
1answer
48 views

Utility trailer lights issue

My small utility trailer has sit here for more than a year. Now I found its lights don't work anymore. I used my multimeter to test the four wire harness and find the following: Connect any other ...