hynder Posted July 13, 2010 Share Posted July 13, 2010 Hi Folks, Just wondering if anybody knows the location of the KPH - MPH speedo convertor unit? I have a JDM Zed with one fitted but my analogue and digital speedos show erratic speeds up on hot days, and I'm trying to find the fault. I know there is a speed sensor signal that comes from the Unified A/C amp and goes to the Speedo cluster, but I have no idea where the actual converter unit is wired in. Cheers Quote Link to comment Share on other sites More sharing options...
ryjay Posted July 14, 2010 Share Posted July 14, 2010 i kno with alot of honda's the convertor is wired into the VSS(vehicle speed sensor) on the gearbox, it was on my DC5 anyways, might possibly be the same on these? i haven't actually got mine yet so i can't confirm lol Quote Link to comment Share on other sites More sharing options...
hynder Posted July 14, 2010 Author Share Posted July 14, 2010 I have had a reply from www.kph-mph.co.uk and they have told me that the converter unit is installed behind the speedo / rev counter cluster so I'll have to remove that to get access. The problem I'm having is a 'dancing needle' as the experts call it!!!! Basically the needle goes mental and starts jumping around and it looks like the convertor unit may be the culprit. The above company offer a de-restrictor and speedo convertor unit for £89 + VAT. I already have an HKS SLD Speed defencer fitted which cost over £200 new, so it looks like I'll buy the new unit and remove the HKS SLD. That will be going on ebay as soon as I fit the new unit!!!! Quote Link to comment Share on other sites More sharing options...
Dene8 Posted September 1, 2010 Share Posted September 1, 2010 A lot of JDM zeds have them hidden away behind the ignition and can be easily accessed by removing the lower trims.......... can't miss it, little black box with wires coming out of it and doesn't look quite OEM..... Quote Link to comment Share on other sites More sharing options...
BRO-T Posted September 3, 2010 Share Posted September 3, 2010 I asked this question last year as I ahd a problem with my dial cluster playing up. My MPH actual conversion is software based and if I remember correctly is flashed at the ECU! there is no actual conversion box! Quote Link to comment Share on other sites More sharing options...
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