Wales
by Joske Vermeule, September 1
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Jun 14th, 2026
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Joined: Aug 2013
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I know this has been discussed a number of times but I have one more (hopefully the last) question.
I now have a 12v buzzer with two cable terminals, and I have the wiring diagram for the dashboard cabling. What I've found is that there are separate feeds for the left and right indicator lights on the dash, and since the buzzer does not earth through its body, I seem to be faced with a 2-terminal buzzer I need to connect to 3 cables. Unless I'm missing something. Any helpful suggestions? (Also, should I use an in-line fuse on the live side of the buzzer?)
Roger
South Wales
2003 4/4 (Meg)
Connaught Green
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I think it might. My problem may be that the wiring diagram I have doesn't trace back as far as the flasher unit. If I can locate that it might work as you suggest.
Roger
South Wales
2003 4/4 (Meg)
Connaught Green
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If you connect the live side of the buzzer two both signal lamps on the Dashboard it could be useful to intigrate diodes.
BR
Christian
2006 4/4 70th anniversary, 1985 VW 1200 50th anniversary, 1977 Vespa 50 Special, 2003 Vespa PX 200E
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You can connect to both indicator lights, but you need a diode in both the lines to prevent them cross talking.
'65 +4 four seater
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You can connect to both indicator lights, but you need a diode in both the lines to prevent them cross talking. Good idea. Can you suggest a source for the diodes?
Roger
South Wales
2003 4/4 (Meg)
Connaught Green
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Joined: Oct 2011
Posts: 1,947
Talk Morgan Enthusiast
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Maplin If the audible alarm is a pietzo sounder, a 1 amp diode will be plenty. All of 49p. 1 amp diode Added - but not really needed if you wire the sounder to the flasher unit.
Last edited by Martyn Culling; 06/12/13 08:20 AM.
1930 Super Sports Aero 'The Elk'
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Whole kit with buzzer, diodes and instructions available from car builder solutions for £6. Kit INDBUZ www.cbsonline.co.uk
John
1992 plus4 connaught green
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Talk Morgan Enthusiast
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Whole kit with buzzer, diodes and instructions available from car builder solutions for £6. Kit INDBUZ www.cbsonline.co.uk
John
1992 plus4 connaught green
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Joined: Aug 2013
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Thanks, guys. All good stuff. I think I know what I need to know, now.
Roger
South Wales
2003 4/4 (Meg)
Connaught Green
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