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7

The fact that the light bar lights up means that it works. If the fault is consistent, I'd be more tempted to look for the fault at the brake pedal - where the switch for the light is. As your existing brake lights work correctly, next step is to see whether they use the same switch, as per @Brian's comment. It may be that the LED bar has been wired in ...


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 ...


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

The most common way to handle this will be rubbing compound and preferably a power drill or buffer. If this is a tail light it is likely a plastic of some kind. You can polish out minor surface scratches with rubbing compound and a buffing wheel. This of course depends on if this is a scuff or what most would call a scratch. If the depth is significant ...


4

A good service manual will have extensive wiring diagrams and possibly troubleshooting procedures and connector locations. With that and a multimeter, you can easily track the problem down. I prefer factory service manuals over Haynes / Chilton / etc, but they're not cheap. Looks like the one you would need would be $150 from Helm. If you can verify the ...


3

After much deliberation on going to repair shop, I figured I would at least poke around as it could not make anything worse. Here was the problem. The negative terminal wire soldering point was loose. I fixed it this way: Unplug the LED array. (Pictures to come) Video of removal process here on youtube Remove the rear plastic shroud(with a few upward ...


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

I've had a similar problem before and it turned out to be the socket for the bulb was bad. I'd start with inspecting wiring that you can see, but proving wiring "good" is pretty much impossible (and replacing it is likely to be a major chore). It might just be cheaper/easier to try and replace the socket first and see what happens. Sorry I can't be more ...


3

Break out the multimeter. Start at the bulbs. Verify the ground is good and then and work your way back towards the fuse box looking for an open as long as the wiring is accessible (Have a friend / brick depress the pedal). Assuming you haven't found the trouble spot, move to the fuse box and go the other way. If you're lucky the problem will be where you ...


3

I finally got this figured out. The housing inside the actual tail-light assembly had become deformed, I guess due to heat, thus keeping the light-bulb housing from making proper contact with the tail-light assembly. A new tail-light assembly fixed the issue. Thanks, everyone, for your help with this issue.


2

I did some research on some Saab forums. I found that typically on US bound Saab 9-5 a bulb is installed on both sides. However, the metal circuit on the passenger side is cut to disable that side. This is to prevent the rear fog lights from appearing as brake lights (there are arguments about the legality of dual rear fog lights in certain US locations). ...


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

You're exactly correct in that thinking (I replaced the bulbs in my old Volvo once and it caused it to think they were out because the bulb was slightly different (these weren't even LED's; just a different filament or connector or something, I forget; no tolerance at all on that circuit). I don't know if there's a standard way to fix this (other than use ...


2

If you look in the trunk near the taillight you will find some plastic screws that hold the carpet in place. Using a flat head screwdriver remove them by unscrewing them or prying them out. Moving the carpet should reveal the mounting bolts for the taillight. It will most likely require a 10mm deep socket to remove the nuts. Disconnect the lamp sockets from ...


1

I believe it can be looked at like this: When you have a turn signal bulb go out it causes the other to blink almost twice as fast. Since LED's use much less power, then it stands to reason that by switching to LED's you are not using the expected amount of amps to light the LED's hence, the system see's this as a burnt out bulb.


1

Factory repair manual is a bit sketchy about it, but here what it says (translated from Russian version): Put the roof in the intermediate position (I suppose, somewhere in the middle between fully open and fully closed). Cut out (?) and remove the carpet (1 on the figure). That cutting out bit puzzles me. Maybe, just pull out from under the trim? ...


1

Also check the relay under the dash for the parking/running lights, I just fixed one in my shop 10 mins ago that needed the relay and new bulbs (bad bulb on one side caused all brake/run lights to go out if the running lights were on when applying the brakes) also check the sockets and contacts as well


1

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 ...


1

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 ...


1

The legal requirement (in the UK) is for there to be at least one, however where your car is fitted with two rear fog lights they should both light up, otherwise you could fail an inspection if the police decided to stop you. All the cars I have ever owned have had 2 rear fog lights, but you do see a lot which have one side fitted with a red fog light and ...



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