Rear fog light
Rear fog light
Just got a 1993 240. Everyone tells me I have a tail light out on the passenger side, but looking in the owners manual, it shows that only the drivers side has an illuminated fog light. Is that true?
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Kmaniac in California USA
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- Joined: 15 January 2005
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- Location: Concord, California USA
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Your rear foglights consist of one extra bulb on each side. This is a single filiment bulb with a brightness equivalent to a brake light. They only illuminate when you turn on the rear foglight switch. Use of these lights in foggy weather reduce your risk of rearend collision. They help others see YOU, they don't help you see anything. Don't use them in fair weather because people will think your brakes lights are stuck on my mistake.
Each taillight assembly in my 740 has six separate bulbs and I will describe them to you. You can compare this description to what you have in your car.
Along the bottom from the outside corner in, I have a single filiment sidemarker light (low intensity), a dual filiment stop/taillight (dual intensity), a single filiment taillight (low intensity), and single filiment foglight (high intensity). Along the top from the outside in, I have a single filiment turn signal light (high intensity, amber lense) and a single filiment reverse light (high intensity, white lense).
I suggest you inspect all your bulbs and prove to yourself whether or not they work and which one does what. I also suggest cleaning the contacts on both the bulbholders and the taillight assemblies with steel wool and greasing them with silicone (dielectric) grease. Also, clean and grease the ground wire connections to each taillight assembly.
Let us know what you discover along the way.
Each taillight assembly in my 740 has six separate bulbs and I will describe them to you. You can compare this description to what you have in your car.
Along the bottom from the outside corner in, I have a single filiment sidemarker light (low intensity), a dual filiment stop/taillight (dual intensity), a single filiment taillight (low intensity), and single filiment foglight (high intensity). Along the top from the outside in, I have a single filiment turn signal light (high intensity, amber lense) and a single filiment reverse light (high intensity, white lense).
I suggest you inspect all your bulbs and prove to yourself whether or not they work and which one does what. I also suggest cleaning the contacts on both the bulbholders and the taillight assemblies with steel wool and greasing them with silicone (dielectric) grease. Also, clean and grease the ground wire connections to each taillight assembly.
Let us know what you discover along the way.
Chris the "K MANIAC"
1986 740 GLE
(5) 1964 Chrysler 300-K's
1986 740 GLE
(5) 1964 Chrysler 300-K's
Chris,
Thanks so much for your reply to my question. Since I posted it, I found out a few things from a local Volvo mechanic. Like you, he said that the fog lights are bright enough to make people behind you think you are using your brake lights, so you're not to use them often. Apparently for that same reason, 1993 240s only have a driver side fog light (as my owner's manual says). He said people were confusing the two bright fog lights for brake lights, so Volvo just made it the one side. Even with that assessment, I tried replacing the bulb on the passenger side where the fog light would be
Thanks so much for your reply to my question. Since I posted it, I found out a few things from a local Volvo mechanic. Like you, he said that the fog lights are bright enough to make people behind you think you are using your brake lights, so you're not to use them often. Apparently for that same reason, 1993 240s only have a driver side fog light (as my owner's manual says). He said people were confusing the two bright fog lights for brake lights, so Volvo just made it the one side. Even with that assessment, I tried replacing the bulb on the passenger side where the fog light would be
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