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Old 10-28-2002, 08:50 AM
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Question Blinkers and horn not working. Why?

I've got an '86 190 on which the blinkers and horn have simultaniously stopped working. The emergency blinkers however are fully functional, so I know it's not a bulb or something wrong with the emergency blinkers switch and probably not the relay either. What can it be? Is this something that a novice like myself can diagnose and repair?

Signal-less in Stockholm, Sweden
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Old 10-28-2002, 12:42 PM
ebennz's Avatar
Join Date: Nov 2000
Location: Hurricane, West Virginia
Posts: 878

check ALL of your FUSES.

it may be as simple a fix as that.

just a thought.

*92 400e 124.034, SOLD

*92 300e 124.030, SOLD
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Old 10-28-2002, 10:54 PM
Registered User
Join Date: Dec 2000
Location: ny
Posts: 119
Had the same problem in a 420SEL fuses looked good so I proceed to rip the car apart to no avail.Turned out to be a fuse that looked fine and tested fine with a test lite but was no good.

To make a long story short change the fuse with a new FIRST than take it fom there..........Hope this helps

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Old 10-28-2002, 11:53 PM
Posts: n/a
I've replaced the appropriate fuse and it still hasn't helped. Guess I could try to replace it yet again.

Sounds like I'm coming close to needing to tear apart the steering column. But I don't dare, so I guess it's going to the shop.

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Old 10-29-2002, 07:34 PM
Registered User
Join Date: Jan 2002
Location: England
Posts: 1,841
Make sure all the terminals are clean on the fuse box (Do it for every fuse, you'll feel better) - clean them all!

Could it be the relay for the flashers?
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
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Old 10-29-2002, 08:27 PM
Join Date: Jul 2001
Location: Old Lyme, Connecticut
Posts: 3,596

On my 300E I had the same problem. These two items are on the same fuse. After a few fuse replacements that lasted what seemed like random time intervals, I began an investigation and it turned out the horn wires were rubbing against the air conditioner condensor fins. When you beeped the horn these wires would short, depending on how well they were making contact at the moment and blow the fuse. Pulling them away from the condensor and wrapping them in electrical tape did the trick. Hope this helps and good luck, Jim
1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles

1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)
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Old 10-30-2002, 12:11 AM
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Well, we don't have AC in our little sweetie, but the idea of a short does sound likely. When I initially checked the fuse it was definitely blown. Although, when I changed it, it didn't solve the problem.

I will clean the fuse contacts as suggested and replace the 8 amp fuse again. I hope that a short didn't fry something else - but that's what fuses are for, I guess - - to prevent something important from getting toasted.


--Shorted out in Stockholm
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