Hot answers tagged

8

To track down and troubleshoot electrical issues, you will almost certainly need a multimeter (also known as a Volt-Ohm meter) - digital ones are best, like the one illustrated below (from Wikipedia) You can get cheap ones, which are fine for most automotive stuff, or much more expensive ones with all sorts of clever features. The two most useful things ...


7

As the Wikipedia entry says, one benefit is that they improve visibility of the car. The idea is that they improve the safety of the vehicle. Although: A 2008 study by the U.S. National Highway Traffic Safety Administration analysed the effect of DRLs on frontal and side-on crashes between two vehicles and on vehicle collisions with pedestrians, ...


7

They are being used as approach lights. When someone unlocks their car with the remote the car turns on lights around the car. I think the idea is to light up the ground around the car for you to better see where you are stepping and maybe for security. Some cars turn on the headlights, interior lights, parking lights etc. You point does make turning on the ...


7

Tools Digital Multimiter Voltage, Resistance, continuity settings Automotive specific DMM's are typically the same device but may have a few extra features (Duty Cycle, RPM) CAUTION: Certain modes on the multimeter can cause damage to the device or your car if improperly hooked up. Never connect the DMM to a circuit in parallel when it is on the ampere ...


6

The short answer is: they're for other people. Here's a practical example: I drive a black car. In the late summer, the trees around my neighborhood really overhang the road and block a lot of the lower-angle sunlight. Also, the roads near my house range from 10-20 residential roads to full highway speeds. So, at a glance, my car doesn't passively give ...


6

Each bulb have some sort of life time expectancy so if two lamps are installed at the same time and one fails after a long period of time you can deduce that the other can be close to failure as well so for security some people and manufacturers ($$$$) recommend replacing both at the same time. The thing is that there is no rule since a lot of factors come ...


6

Here is a diagram for the basic 4 wire trailer. Yellow - Left Stop/Turn (the big filament as you described in the left bulb) Green - Right Stop/Turn (the big filament as you described in the right bulb) Brown - Parking/Marker lights (the small filament as you described in both the right and left side bulbs) White - Ground They all hook to the ...


6

This is what Vauxhall has to say about the front fog lights. Firstly, we need to remove the inner paneling (basically the bumper): Release left and right front wheel cut-out panel Unscrew 4x nuts (1) Pull out wheel cut-out panel slightly and fix in place Undo front panelling at top Unscrew 3x bolt (2) Release left and right wing protective ...


6

Possible culprits: A bad headlight relay Have the relay tested or replaced. It could be that the switch for the main circuit is intermittently stuck-closed. A closed-circuit in the light switch or relay getting grounded Eliminating a bad relay would leave you the possibility that the relay is being activated when it shouldn't through an intermittent ...


5

The cheapest option would be to polish the current light housings. You can get a kit at walmart of at any auto parts store that will allow you to turn foggy (but in otherwise good condition) headlights into much, much clearer lenses. The kits cost $15 to $20, and basically require you to use your drill, some paste, and possibly some water, to wet sand the ...


4

Sort of. Older filaments in headlights can be noticeably duller. If you are OCD, it might benefit you. Typically when one bulb goes out, the others that were replaced at the same time are probably near their end of life. Or, perhaps not. I don't replace things that aren't broken. Otherwise, it's just more money for the parts store.


4

This sounds most likely to be a fault in the switch in the indicator stalk - normally you have a physical linkage which keeps the turn indicator flashing while you turn a corner, then it releases as the steering wheel straightens. I can imagine a couple of ways this could fail and allow the spring in that mechanical return to perhaps trigger the right ...


4

There are only a few parts in play here. The reverse light switch in/on the transmission, the wiring to the rear of the vehicle, the tail lamp assembly, and the lightbulb itself. I would check the bulb first. If the filament is broken in just the right way, it can cause the flashing symptoms that you're experiencing. The part number for the bulb is 3156 ...


4

Bulbs - Swap the bulbs, like the comment suggested, with the ones on the other side. If works switch back and get replacement. Fuse - Swap the fuse with another in the fuse box with the same rating. If works switch back and get replacement. Connectors - Check for corrosion on connectors. Clean connectors with fine grade sand paper. Coat in something ...


4

It could be a loose bulb, corrosion in the socket, or most probably a filament which is going bad. I doubt it's anything catastrophically expensive to fix. Easiest first try is to just pull the bulb and look for corrosion in the socket. Next see if the filament wiggles inside the bulb. If all else fails, just replace the bulb with a new one. If none of this ...


4

Its a mixture is tradition and function. Red has been used to signify "Stop" much longer and in many more applications than just motor vehicles. Stop and Do-Not-Enter signs are used everywhere. Possibly, although I can not confirm or cite a source, in history blood was used to mark doors and entryways that should not be entered and therefor the red color ...


3

Check for a shorted wire. If the fuse keeps blowing, you could have a wire touching metal somewhere in the system.


3

My mom's Prius HID bulb died (under warranty) so she took it in to get it replaced. The dealer replaced one of the bulbs and it was a completely different color than the original. I finally bought her two new bulbs from Amazon and replaced them for her because it was so bothersome. In a situation like that it is definitely worth it to replace both at the ...


3

As Peter mentioned the primary benefit is safety by making your vehicle more visible to others. Therefore, it is more useful in a city than a rural area where you would have more people who need to see your vehicle. Another advantage of daytime running lights, is that insurance companies typically give a discount on vehicles equipped with this option.


3

It's called a Center High Mount Stop Lamp (CHMSL) or sometimes a Center High Mount Brake Lamp (CHMBL). If you can't find a Web site with part numbers, you could go to the parts counter at a Mazda dealer and ask them to look up the part number(s). They can tell you whether it's all one piece or not. I don't know how to take the light apart in your car. Your ...


3

Turned out when I whacked the dimmer switch for the dash lights and the speedometer etc section came to life (back-light came on). Clock is still not working but if I spend a bit more time on that I should be able establish what's wrong, I may have actually blown the back-light bulb for it. (I will update)


3

Before you go off to the Stealership to have the bulb replaced, you may want to see if the bulb has lost connectivity at the plug. Since these are LED bulbs, they don't go bad very often or very fast. I believe you should be able to access the plug by removing the main headlight in your car. While this video shows you how to remove the main headlight, it's a ...


3

Just grabbing the first 2002 Volvo Replacement Headlamp I could find the headlamps run at 12V/65W, meaning it would draw 5.4A of current. If you hooked up a 1k resistor and ran it straight to ground while the lightbulb was on, that resistor would pull 12mA of current, adding an additional 0.2% load to the battery. From the car's perspective, you'll be ...


3

Note: I've never replaced this part on this vehicle. Raise the front of the car. Look under the front bumper area. Is it uncovered? Can you access the fog light assemblies? If yes: simply remove the bolts holding them and pull them out carefully. If not: you have to pull the front bumper cover. I found this video that shows how to remove the bumper. Its a ...


3

You are describing symptoms of a bad ground in your electrical system. Check your ground on the battery. The negative post. Make sure you have a solid connection. The clamp on the negative shouldn't wiggle or have any play in it. Check for corrosion. The white powdery substance. If you find any remove the battery post clamp from the wire and use baking ...


2

I had the same problem.. but when i shoved the gear shifter into reverse hard and shook it hard it flashed. So what i had to do was take my dremmel and grind the part of the switch base below the threads down to allow the threads to screw further into the transmition. I took off about an 1/8 of an inch and Now everything works as advertised.. :-)


2

Thanks to some helpful people here and on the Australian 4wd forums and a local gearbox repair place I have found a solution. Apparently the gearbox the the MJ Triton uses a ball bearing above the reverse switch. The gearbox pushes it down (pushing the switch) when in forwards gears which opens the circuit and turns the lights off. In reverse it lifts up ...


2

I believe there is a procedure to deciper OBD faults on the VQ35DE motor without any additional hardware - this allows you to count the # of times the CEL blinks to determine a wide variety of fault codes. I'll try to post it when i find it. Also, there are inexpensive OBD2 bluetooth dongles that will let you pull faults very easily. Until you do this, ...


2

The Check Engine code could be related to the other two. Pull it and see. It might give additional clues to the cause. Attack this issue first. The traction control and SLIP sound related to each other. Look into what causes the SLIP light to stay on. Bad fuel typically should not keep the car from accelerating if it is idling fine. There might be a ...


2

It's real easy to pinch a wire when working in the dash area. If not a short that blows a fuse, a wire may have gotten cut clean through.



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