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Front passenger marking light working off and on...what's up?

Old Sep 25, 2004 | 11:22 PM
  #1  
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Ford Pinto
Question Front passenger marking light working off and on...what's up?

Some days the front passenger marking light (front right corner amber light) works fine. Then some days I get in the car and the Check Marker Light Bulb message is on and sure enough, the light is out.

Today it was not working the morning and then started working in the afternoon.

Anyone experience this problem and/or know a solution so I can replace what is screwing with my light working and then not working?

Eric
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Old Sep 26, 2004 | 01:49 AM
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From: Hendersonville, TN, USA, Earth
W210 (1996 E320) white
My wife's car's did that too. I could smack it lightly and it would go on - consistently - until it was turned it off, then it'd need another bump to light it up again. When it finally stopped working, the filament looked like it had silver bumps on it. i would've replaced it sooner but it was kinda funny how consistent it was with the smack repair. Take the bulb out and look at it in the sunlight I bet yours has a break in the filament that sometimes arcs and sometimes stays open. FWIW it's simple to replace - no tools, just pop the lamp assembly out the front from the wheel well.

-Tom
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Old Sep 26, 2004 | 06:42 PM
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I removed the bulb in question and sure enough, there is a sizeable gap in the filament.

The otherside was ok. Thanks!

Eric
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Old Sep 26, 2004 | 07:25 PM
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1985 300cd 1994 E320 cab.
usually the bulb s****et will get corrsion build up in the contacts clean them it shoulod work
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Old Oct 1, 2004 | 09:57 PM
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Originally Posted by aTOMic
My wife's car's did that too. I could smack it lightly and it would go on - consistently - until it was turned it off, then it'd need another bump to light it up again. When it finally stopped working, the filament looked like it had silver bumps on it. i would've replaced it sooner but it was kinda funny how consistent it was with the smack repair. Take the bulb out and look at it in the sunlight I bet yours has a break in the filament that sometimes arcs and sometimes stays open. FWIW it's simple to replace - no tools, just pop the lamp assembly out the front from the wheel well.

-Tom
Thanks Tom, that was it. Replaced the bulb tonight. I notice we are not too far apart from each other. I live in Kingston, TN. 20 minutes east of Knoxville.

Eric Barger
www.installuniversity.com
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Old Oct 1, 2004 | 10:02 PM
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Btw, I did get the install document up on my website.

Eric
www.installuniversity.com
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Old Oct 5, 2004 | 11:09 AM
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From: Hendersonville, TN, USA, Earth
W210 (1996 E320) white
Thumbs up

Eric;
What an excellent how-to you have for fog light glass replacement on your site! How do you find time?! I was so glad to see the importance you placed on the flying/falling glass; I have replaced four or five and I always have glass in my hair after the "operation". safety glasses are a must, as your article clearly states. And thanks for the credit on the marker bulb replacement article, although I really don't deserve it!

So, you think the Tennessee roads are to blame for the filament? (kidding)

I got my fog lamp glass (Bosch brand) from Mercedesshop.com for about $10, in fact I carry a couple spares in case one breaks on a trip. Amazing how glass that thick can break so frequently.

-Tom
P.S. are you in the MBCA? I was at the last GTG in Nashville; we toured the old Marathon Motorcar plant. I was the only person there under fifty - I say this for you to identify me, not to 'dis' the club, they're a nice enough bunch.

Last edited by aTOMic; Oct 5, 2004 at 11:36 AM.
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Old Oct 5, 2004 | 01:56 PM
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No problem on the credit!

Thanks for the compliments. I make time. I hope to document a lot more installs. I am up for writing the docuemts if I had photographs from other people's install.

I am not a member of the MBCA. What is that? I am 28 but would like to get together with other MB owner's.

I plan on some cool mod's for my wife's car in the future but I don't know how crazy she is going to let me get with it. I think the heated front seats will be the last big mod she will let me do. I am going to try and talk her into heated rear seats.

Eric
www.installuniversity.com
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Old Oct 5, 2004 | 02:15 PM
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Btw, thanks for the heads up on where to purchase the glass next time. I will have to add that to the install docuemnt.

Eric
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