Speedo conversion

[David in Hampshire]

Hi Gang

 

I've just imported an Impreza wagon.  And I want to convert the speedo from KMH to MPH.  Does anyone know how it's done?  All the other forums talk about delimiting the engine, the ecu, the final drive on the gearbox and the clusters but noone really knows how.

 

Any clues?

 

Thanks

 

DIH

[Gambit]

Hi mate welcome to S.O.C 

Only people I have know thats done it used what you said about the Delimiter chip and used the white dial covers. 

Like these for example 

http://www.ebay.co.uk/itm/SUBARU-IMPREZA-LEGACY-SPEEDO-CONVERTER-DELIMITER-CHIP-/400060708263

 

http://www.ebay.co.uk/itm/WHITE-Imported-Subaru-Impreza-Replacement-Speedo-Dial-Kit-KmpH-MpH-0-180-/190691363701?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item2c66174b75

 

other than that I'm not sure I've never done it myself. One of the other members might have done it before and be able to advise better :)

[David in Hampshire]

I wonder if the chip resets the speedo reading?  turns kph to mph, if you know what I mean?

 

Thanks for getting back - i've emailed Keith, the bloke who supplies the delimiter chip - and i'm waiting on him.

 

thanks

 

did

[Gambit]

Good stuff and not a problem mate happy to help when and where we can :) 

Have to let me know always room to be educated a bit more :) And the other people I know it just changed it to MPH but still read the same mileage. 

[Jay762]

Wotcha and welcome

[David in Hampshire]

I'm not getting anywhere with this Impreza.  It's a 1.5, built in 2006 and I need a speedo that clocks up and shows MPH because i've got to get through a VOSA inspection.

 

Bloke on eBay was as much used as a !Removed! in a space suit.

 

Any ideas?

David

[Gambit]

I'd guess he just sells them then. Now I came across this might help a bit but is yank and I'm sure getting one off fleebay would be cheaper but might help 

 

Version 7 and 8 (MY 02-07)

Signal In: Yellow -> Green (gearbox sensor side)
Signal Out: Grey -> Green (loom side)
12v+: Red -> White
Ground: Black -> Brown

 

http://www.iaperformance.com/product_info.php?products_id=2208

[bitman]

can't you not try to source a MPH dail at a breakers yard to replace the KM dail?

 

or is my thought to simple

[Gambit]

Nice thinking mate doesn't work like that, that little I do know :(

[Tlag]

All the JDM cars that I have seen have a little box wired in behind the gauge cluster. From memory, it's only two wires, one+ and one -.

I have no idea how it works but it makes your speedo work in mph and not kph and it de limits the speed. In Japan they are limited to whatever 112mph works out to be in kph .

The units about £15 last time I looked. Although I've just done a very quick eBay search and can't find any.

My current car dosnt have one and still shows in kph. It's never been a bother at mot time.