Tacho for Defender

Hi Simon, I've fitted more than I can remember. There is no need to change the alternator, as the pins are already there and easilly identified. If not sure take a look at a Discovery and you'll see how the wiring goes.

The unit we used was the VDO unit, and it fitted in the same hole where the clock is. I can't remember the actual wiring, but we used the clock light and also the clock positive to power the tachometer. The tachometer is an electronic unit and is normally calibrated by VDO, based upon the diamter of your alternator pulley and crankshaft pulley, however it is possible to calibrate the unit if you have access to an alternative form of rpm measurement eg strobe, manual tachometer etc.

From memory the tachometer take off is a male spade connection whereas the other connections are all threaded, so its not hard to identify.

The VDO unit not only fits in well but the style and colouring look like it came from the factory already fitted.

Hope this helps, if you need more send me an email.

Cheers

Phillip Simpson

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Found it!

Fantastic, thanks a lot. I checked out the price of the VDO tacho the previous poster recommended, approx 79 quid, ouch!

The lowtension.com tacho kit costs 45 quid for a 300Tdi and one is on its way to me now, just ordered over the phone.

Thanks.

In message , Phillip Simpson writes

How much and where are you based?