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Old 07-19-2006, 05:28 PM
wjm's Avatar
wjm wjm is offline
Join Date: Dec 2000
Location: Suburban Detroit, MI
Posts: 692
94 E420 - Turn Signals / Blinkers


My 94 E420 Turn Signals are acting erratically on an intermittent basis.

When I need to use them.. they don't always come on. Sometimes I'll turn them on... they'll blink for a bit... then stop. Other times, they don't come on at all. Sometimes, like yesterday evening, they were not problem.

Any recommendations on where I should start looking?

Thanks in advance!!
E420 - W124 - 124 - 94 - 194 - blinkers
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Old 07-19-2006, 06:29 PM
Battlecat714's Avatar
Join Date: Apr 2006
Location: Anaheim, CA
Posts: 339
have you recenlty installed a bulb? Sometimes what the electronics will do is act erratically if there is an incorrect bulb or it could be a simple fuse issue.
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Old 07-19-2006, 06:55 PM
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Join Date: Jan 2005
Location: Minnesota
Posts: 975
Could be a bad combination switch (on the steering column) - how does the high beam switch and or the wiper work? Intermittent or no problems?

I would also check out the combination relay - have someone see if your brake lights are on when the turn signals aren't functioning.
Daily Driver: 02 E430 4MATIC
In the family: '03 E500 // '04 ML500 // 64 220SE
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Old 07-19-2006, 10:48 PM
wjm's Avatar
wjm wjm is offline
Join Date: Dec 2000
Location: Suburban Detroit, MI
Posts: 692
I now thinks it's the relay. When the blinkers don't work, neither do the hazards nor the intermittent wipers. I opened the hood and tapped on the relay box when this happens, and it comes back on.

Just ordered one here for about $67 total with shipping.
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