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Defender Speedo Healer - Plug & Play - DA1426

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Defender TD5 & 2007 onwards

Behind the handbrake back plate, on later Defenders, is a green 3 wire transducer which generates a pulse. This is then sent to the speedometer to show your vehicle's speed.  Fitting different size tyres or a non-standard ratio ring and pinion in the diffs could well mean the speed displayed is inaccurate.  Fitting and programming this small box is easy.  Once installed it allows you to adjust the output pulse, both up and down, which means your speedo will indicate the correct speed at which you are travelling.  The instructions include details of how easy it is to program the box using a sat nav system.
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