Subject	Take a look at this picture.
Posted by	DVDBURN (MD) on June 15, 2008 at 8:07 AM
	This message has been viewed 143 times.
In Reply To	My first post may have been misleading somewhat. posted by Insidian on June 14, 2008 at 02:29 PM
Message	Right in front of the ribbon cable where it connects to the daughter board there is a sticker. Can't tell from the picture but it looks like it may be the one that should be covering the EPROM with the window. Sometimes they will come off and get lost. Look at it and see if it says JWT anywhere. The EPROM should be covered by a JWT sticker to protect the EPROM program from being corrupted by outside light. If it is the sticker you could reattach it and remove just the EPROM chip to send to JWT for an upgrade. If it is the JWT sticker, get the info off of it and call JWT to see if they have a newer version of it if thats all you're looking for. If it's not the EPROM sticker then you can send the whole ECU to Stillen. JWT will not take the chip unless it has a JWT sticker on it. Call Stillen first to let them know what you want to do and get prices. Stillen can be expensive. (Total Mouse Over Hits: a Lot)
Follow Ups	Eprom Question. - Insidian 12:07:37 06/14/08 No, unless its a EEPROM, they can be erased and then - itsghoZt 12:15:32 06/14/08 Thanks. How would I tell if it is an EEPROM? (n/m) - Insidian 12:30:32 06/14/08 EPROMs can be erased and reprogrammed too. (n/m) - Guapo 12:33:45 06/14/08 interesting, didnt know that. Thought it had to be - itsghoZt 12:41:04 06/14/08 if the Eprom has a glass window, it can be erased by - Guapo 12:45:46 06/14/08 Cool, thanks for the info. (n/m) - Insidian 13:00:31 06/14/08 Nope: you read backwards - itsghoZt 16:07:30 06/14/08 Re: Nope: you read backwards - itsghoZt 16:23:07 06/14/08 Do you have just the chip or is it the complete 94' ECU? - DVDBURN (MD) 13:23:08 06/14/08 My first post may have been misleading somewhat. - Insidian 14:29:28 06/14/08 Take a look at this picture. - DVDBURN (MD) 08:07:05 06/15/08 What do you want updated? (n/m) - kkrofft (OH) 14:08:14 06/14/08 Well, I was thinking that... - Insidian 14:31:11 06/14/08 Here's some pics of what I have. - Insidian 15:48:44 06/14/08 Yours has the window so it can be erased with UV. (n/m) - Musashi Sword 21:58:31 06/14/08 my 91 ecu was upgraded by Stillen - inski 17:00:04 06/14/08 How did you find out it was a JWT? (n/m) - Insidian 19:41:08 06/14/08 I read in this forum it was a JWT upgrade so .. - inski 20:43:16 06/14/08 STOP. you are thinking about this wrong - AntiHero 22:27:29 06/14/08 yup, a new eprom is super cheap. - Zluster 22:39:40 06/14/08 I guess I need to find out exactly what kind of tune it is. - Insidian 06:34:25 06/15/08 Call JWT. They do update their tunes due to changes - ThunderZ 09:27:50 06/15/08
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