E-Class (W210) 1995-2002: E 200, E 220D, E 240, E 290TD, E 300TD, E 200, E 240, E 280, E 320, E 420, E 430 (Wagon, Touring, 4Matic)

where is horn wire on k 40 relay of 1999 e320 wagon?

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Old 08-15-2018, 09:36 AM
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1999 e320 4matic wagon
where is horn wire on k 40 relay of 1999 e320 wagon?

The horn does not work. The fuses on k40 tested good. Where is the output wire for the horns? What else should I test? Ground is good.
Old 08-15-2018, 09:37 AM
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1997 E320
Take and apply 12v to the horn directly while it's unplugged from the harness, verifying the unit actually works. Also, take a peak at your clock spring, mine had let go over time and that's where my issue was.
Old 08-15-2018, 09:57 PM
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1999 E300TD
This blokes issue is that the horn wire deteriorated at either horn, all he has to do is get on his back and look up!

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