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#1
06-12-2011, 11:45 AM
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horn blows
I'm getting a 220s 1963 ready for inspection and all is good except the horn blows when the gear shift (auto) is pressed away and the wheel is turned. I've disassembled part of the column and can see that the shifting rod projects into the steering wheel area and depresses against the horn ring. But I can't see how to stop this from happening. Any clues or experience that can help me?
Thanks, David 
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#2
06-12-2011, 12:17 PM
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I would find that horn wiring harness as it exits the steering column, cut it loose and then cover the ends with a plastic terminal to eliminate shorts and I would re-wire it to a low cost push button switch. I just installed one from NAPA #STB5/U10272 for about $5.00 for a starter switch. With a 7/8 holesaw, you can easily mount that switch either by the ignition or on the left side of the column.
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Junqueyardjim Christianity, if false, is of no importance, and if true, of infinite importance. The only thing it cannot be is moderately important. C.S. Lewis 1983 Mercedes W123 240D 4 Speed 285,000 on the road with a 617 turbo, beautiful butter yellow, license plate # 83 240D INDIANA 2003 Jaguar Type X, AWD. beautiful, good mileage, Mom's car, but I won't let her drive it!
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#3
06-12-2011, 01:04 PM
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Is the shift rod quite loose at the top?
It sounds line the plastic bushing at the top is totally gone and is allowing so much 'wiggle' at the top that the end of the shift rod is pushing the horn ring.
If you remove the steering wheel (make note of the mark on the end of the steering rod which should be straight up with wheels straight ahead, and it's relationship to the steering wheel which should also be straight ahead), you will see the end of the shift rod and a counterbore in the casting at the end of the steering column. There should be a plastic bushing in there. If it's gone, you'll see that the shift rod jiggles quite a bit. The bushing is quite cheap and is pretty easy to replace, but involves some minor tricks to get the slotted retention washer out & back in on the end of the shift rod. Check it out by removing the steering wheel, which is easy. Just make note of the orientation as cited above.
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#4
06-12-2011, 04:45 PM
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Simple solution, remove steering wheel, install a 3mm spacer on the shaft, re-install the steering wheel.
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1985 300TD Turbo Euro-wagon 1979 280CE 225,200 miles 1985 300D Turbo 264,000 miles 1976 240D 190,000 miles 1979 300TD 220,000 GONE but not forgotten 1976 300D 195,300 miles 1983 300D Turbo 175,000 miles http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg
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