Tacho

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DM - 09 Oct 2006 04:26 GMT

Tacho was bouncing about all over the place then got new
alternator and it behaved itself.

Now its doing it again.

Anybody got any ideas??

Thanks

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EMB - 09 Oct 2006 05:33 GMT

> Tacho was bouncing about all over the place then got new
> alternator and it behaved itself.
>
> Now its doing it again.
>
> Anybody got any ideas??

A loose tach wire, or a rectifier diode in the alternator on it's way out.

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EMB

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Austin Shackles - 09 Oct 2006 10:14 GMT

>> Tacho was bouncing about all over the place then got new
>> alternator and it behaved itself.
[quoted text clipped - 4 lines]
>
>A loose tach wire, or a rectifier diode in the alternator on it's way out.

The wire has a spade terminal and they can easily get loose.

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Austin Shackles. www.ddol-las.net my opinions are just that
If all be true that I do think, There are five reasons we should drink;
Good wine, a friend, or being dry, Or lest we should be by and by;
Or any other reason why. - Henry Aldrich (1647 - 1710)

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DM - 10 Oct 2006 07:40 GMT

> >> Tacho was bouncing about all over the place then got new
> >> alternator and it behaved itself.
[quoted text clipped - 6 lines]
>
> The wire has a spade terminal and they can easily get loose.

Wire at alternator end or at Tacho end?
Ta

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Austin Shackles - 10 Oct 2006 09:43 GMT

>> >> Tacho was bouncing about all over the place then got new
>> >> alternator and it behaved itself.
[quoted text clipped - 9 lines]
>Wire at alternator end or at Tacho end?
>Ta

Alternator end mostly. The tacho end is part of one of the multiplugs
behind the dash. The alterantor one is subject to heat and vibration...

first thing to check, anyway. Also check for alternator earthing - if it
has an earth strap, check that, and also check mounting bolts for tightness.

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Austin Shackles. www.ddol-las.net my opinions are just that
"Pereant qui ante nos nostra dixerunt"
(confound the men who have made our remarks before us.)
Aelius Donatus (4th Cent.) [St. Jerome, Commentary on Ecclesiastes]

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