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pruyter

Netherlands
275 Posts

Posted - 11 Nov 2019 :  12:21:32  Show Profile  Reply with Quote
Not necessarely!
I have installed an electronic ignition (Optronic from Lumenition) in my Sunbeam Tiger which works with the original rev counter (RVI-type) without any problems.
But yes, in some cases, depending on the kind of electronic ignition, the rev counter will not work without doing some alterations to it.

Regards,

Peter

Edited by - pruyter on 11 Nov 2019 15:41:00
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Panky

United Kingdom
51 Posts

Posted - 11 Nov 2019 :  12:08:48  Show Profile  Visit Panky's Homepage  Send Panky an AOL message  Reply with Quote
Just a thought. Have you fitted electronic ignition? I think the RV1 gauge will only work with points.

Edited by - Panky on 11 Nov 2019 12:37:58
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Tone

United Kingdom
33 Posts

Posted - 11 Nov 2019 :  11:14:22  Show Profile  Reply with Quote
Thanks Peter, I shall go through it all again, i agree with you that perhaps the Rev counter is at fault, so I will have to find out someone who checks and repairs them, thanks again to all for your help.
Regards Tone.
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pruyter

Netherlands
275 Posts

Posted - 11 Nov 2019 :  09:45:29  Show Profile  Reply with Quote
Okay Tone, I have had now some time to study this problem and it is like I informed you before:
From spade 2 on the ignition switch there is a white wire going to the bridge on the rev counter where this wire is bend in a loop over the upper part from the bridge and continues to the plus side of the coil.
From the same spade 2 on the ignition switch a white wire is going to the warning light of the ignition switch.
Finally a black wire is going from the rev counter to earth.
And that's it!
We know already that you have the appropiate rev counter (negative earth). If the rev counter is wired as described above than there are two checks to made which are:
Check that the black wire from the rev counter to earth is really making such a contact that earth is realized. Clean the contact between the wire and earth!
Secondly check that the contact between the underside of the bridge legs are making very good contact with the contact on the backside of the rev counter.
If this is all in good order the rev counter should work and if not.....well than I suspect that there is something wrong with the rev counter.

Regards,

Peter

Edited by - pruyter on 11 Nov 2019 09:48:40
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pruyter

Netherlands
275 Posts

Posted - 10 Nov 2019 :  15:35:42  Show Profile  Reply with Quote
Right now I have no time, but I promise you that I will investigate this further tomorrow and then I will get back to you with the result of this.

Regards,

Peter

Edited by - pruyter on 10 Nov 2019 15:36:30
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Tone

United Kingdom
33 Posts

Posted - 10 Nov 2019 :  15:29:31  Show Profile  Reply with Quote



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Tone

United Kingdom
33 Posts

Posted - 10 Nov 2019 :  15:26:23  Show Profile  Reply with Quote
Funny I can only see a white/black wire coming off the negative side of the coil to the distributor, there is not another white wire going back to the Rev counter on my car or on the wiring diagram on page 61. Or am I going mad!
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Tone

United Kingdom
33 Posts

Posted - 10 Nov 2019 :  15:18:54  Show Profile  Reply with Quote
I have got a paper manual! And as you say on page 61, it does show the rapier diagram, and my car seems to be wired up the same, with the pulse wire going to + on the coil and the - a white/ black wire to the distributor. It’s just that everyone tells me that the pulse wire should go to the - on the coil! When I put the wire onto the - side of the coil, and turned on the ignition the amp meter showed an instant discharge.
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pruyter

Netherlands
275 Posts

Posted - 10 Nov 2019 :  15:11:01  Show Profile  Reply with Quote
At least the right rev counter is installed! Negative earth as it should be.
Did you made the checks as mentioned in my earlier post?

Edited by - pruyter on 10 Nov 2019 15:12:26
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Tone

United Kingdom
33 Posts

Posted - 10 Nov 2019 :  15:09:16  Show Profile  Reply with Quote



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pruyter

Netherlands
275 Posts

Posted - 10 Nov 2019 :  15:06:54  Show Profile  Reply with Quote
In WSM 145, section N (Electrical equipment) you can see on page 61 a wiring diagram for your Rapier series V.
Studying this diagram shows a white wire going from the contact switch to the rev counter and this wire continues as a white wire to the warning light. From the rev counter a white wire is going to the plus of the coil. From the negative side of the coil a white wiring is going to the rev counter to the same connection from where the white wire to the warning light is going. Finally a black wire is going from the rev counter to earth.
Please buy WSM 145 if you don't have done this already and when you already possess this WSM read it!

Regards,

Peter
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Tone

United Kingdom
33 Posts

Posted - 10 Nov 2019 :  15:02:22  Show Profile  Reply with Quote



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Tone

United Kingdom
33 Posts

Posted - 10 Nov 2019 :  15:00:12  Show Profile  Reply with Quote



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Panky

United Kingdom
51 Posts

Posted - 10 Nov 2019 :  14:58:44  Show Profile  Visit Panky's Homepage  Send Panky an AOL message  Reply with Quote
This might help if your gauge is shown. I think the dotted line on the Smiths diagram means that wire is removed if reto-fitting the gauge

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Tone

United Kingdom
33 Posts

Posted - 10 Nov 2019 :  14:58:07  Show Profile  Reply with Quote
Me again, sorry, I have included the wiring diagram and Rev counter ( RVI ) ? This is how the car is wired up.
There is a sticker on the back stating it’s den calibrated etc.
Does this make any sense?


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