The headlight wipers on my 95 E300D don't work properly. They don't stop in the horizontal position and sometimes one stops working all together. They used to work fine. I've hooked up 12vdc to both motors and they'd run all day long. Makes me think it's the relay.

Do failing relays cause intermittent problems or do relays just fail outright?

I'd like them to work, or at least come to rest someplace other than in the middle of the headlight.

New relay in my future?

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2009 E320 Bluetec 117,000
1995 E300D 306,000 Sold
1996 Ford Taurus LX 130,000 Sold
1985 300TD Still 225,000 Sold
2016 Ford Fusion 24,900

It's probably the limit switch contacts inside the motor.

Had this problem with my 124. Found a set of motors off a late 80s 126 in the junk yard, they were a direct swap.

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The OM 642/722.9 powered family
Still going strong
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)

both my kids cars went to junkyard in 2023
2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)
2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech

Thanks jay_bob

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2009 E320 Bluetec 117,000
1995 E300D 306,000 Sold
1996 Ford Taurus LX 130,000 Sold
1985 300TD Still 225,000 Sold
2016 Ford Fusion 24,900

there is a diode in the motors too, its actually buried in the plastics. If that conks out then it can either stop the motor in its tracks or also run the washer pump till the tank empties out.

I found this information on a SAAB site. Apparently SAAB parts are becoming unobtanium so repairing various parts is whats keeping them on the road.

The problem with the 95 headlamp wiper motors is that they are unique to that car because of the euro looking headlamps.

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)