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Jeffrey McCarthy
Frequent User
Username: jefmac2003

Post Number: 89
Registered: 5-2007
Posted on Tuesday, 28 October, 2008 - 20:55:   Edit PostDelete PostView Post/Check IP

I'm about to attempt to remove the horn contact plate to check the connections to see if I can find out why my horn has stopped working.

The manual's instructions seem straightforward enough but if anybody knows what is the most likely source of the problem - or perhaps where to start looking first - it'd be much appreciated.

cheers,

Jeff
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Jeffrey McCarthy
Frequent User
Username: jefmac2003

Post Number: 90
Registered: 5-2007
Posted on Tuesday, 28 October, 2008 - 21:23:   Edit PostDelete PostView Post/Check IP

Just reading further in the manual there is apparently a special Steering Wheel removal tool noted for later LHD cars- SRX6001 onwards. Also somewhat more complicated instructions.

Mine is a 1974 RHD Shadow SRH20280. Will I need a special tool or need to scribe the wheel position? Should I leave this to an expert?
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Paul Yorke
Prolific User
Username: paul_yorke

Post Number: 233
Registered: 6-2006
Posted on Wednesday, 29 October, 2008 - 07:47:   Edit PostDelete PostView Post/Check IP

Jeffrey, Usually they come off quite easily. Loosen the nut and lightly pummel on the rim ( a bit like you are playing a drum roll,) after a while it should pop loose.

Tipex the splines so you can align it again, or start with it exactly straight and put it back the same way.

I guess you've checked the fuses? The horn contact screws in about 6" down the column, earth it there and see if the horns are working.
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Jeffrey McCarthy
Frequent User
Username: jefmac2003

Post Number: 91
Registered: 5-2007
Posted on Wednesday, 29 October, 2008 - 13:18:   Edit PostDelete PostView Post/Check IP

SUCCESS !

Thanks Paul (& Peter ! - I got the phone message just after I'd finished putting it all back together :-)

How goes it up your way? Bentley's shaping up I hope.

The problem was the wire was twisted just on the far side of the snap-on contact and a bit of the plastic sleeve had worn away - leading to it shorting out on the steering column.

I slipped a bit of heat shrink over it, straightened it all out, checked the earth and generally tightened things up and it now sounds like a fog horn.

I love this learning curve.