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what tools to remove EEPROM 

 

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 Post subject: what tools to remove EEPROM
Posted: Tue Sep 06, 2005 4:50 pm 
Oompa Loompa
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hey, i need to remove my eeprom cos ive replaced my dash and the new one has 90,000 less km than the old one!

AND i have looked at it, and read a tutorial and apparently i need special tools to remove it. i have access to soldering stuff and normal sort of tools. but no electrical specialty tools or anything.

will post pic of eeprom soon, cos its got something stopping it from coming off anyway.


shay
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Posted: Tue Sep 06, 2005 9:10 pm 
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the thing that is 'stopping it from coming off' is a capacitor.

rather than change the eeprom and possibly bugger something up in the process. you can get your cluster reprogramed to the correct milage of your EF. fordmods member "dang" offers a service to help with this so you might like to pm him :)

Cheers, paul
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Posted: Tue Sep 06, 2005 9:14 pm 
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yeh, if you didnt know what a capacitor was you definitly couldnt manage to desolder the EEPROM chip, why not just leave the odometer reading as it is?

 

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Posted: Tue Sep 06, 2005 9:35 pm 
Oompa Loompa
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well, one of my dashes has the "capacitor" and one doesnt. and isnt a capacitor cylindrical? cos this is the shape of a cigarette packet, and doesnt appear to be soldered onto the pcb at all.

will get pics now. standby
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Posted: Tue Sep 06, 2005 10:37 pm 
Getting Side Ways
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The eeprom on these clusters is surface mount size so ideally you would want to use surface mount soldering / de-soldering equipment to pull it off. You would also need a fine touch as applying too much heat to the legs of these eeprom's can cause the pads on the PCB to detach as well as damaging the eeprom's own legs and baking the internals. If that should happen you will have to resort to tracing the tracks and hardwiring the replacement eeprom in its place which is damned fiddly work so take care!
If you don't have a surface mount soldering iron and just want to use a regular soldering iron that usually is used for discrete components then make sure that you have a low powered iron with a very small soldering tip to keep the heat down.

 

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Posted: Sat Oct 15, 2005 3:19 pm 
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I did mine recently. Soldering iron, solder wick (my solder pump is far to big), and as Vic mentioned not too much heat. I found the best way (I have a variable soldering station), crank up the heat, and work FAST. Better than having a coldish iron sitting there heating everythign up for ages before the solder goes.

 

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Posted: Sat Oct 15, 2005 10:48 pm 
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To be honest I would take it to a TV/VCR reapir shop. THat way if they f**k it up, you can still get a new clsuter!
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Posted: Sun Oct 16, 2005 4:12 pm 
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heat up all four legs on one side, get a stanley knife blade (grind it down if u have too so u don't lever the chip on a bad angle) gently pry the chip on one side and repeat on the other.
A lot of people say these chips are SUPER STATIC sensitive but they're not that bad... a conventional 30watt soldering iron with a nicely cleaned fluxed tip shouldn't do any damage at all.. the most damage is done when u lift a warm chip... as a corner can break off (they still work) :)
I've done many of these and never killed a eeprom... the thing u have to worry about it the thin tracks on the PCB they tend to lift off the board very easily

=)

 

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Posted: Sun Oct 16, 2005 9:30 pm 
Getting Side Ways
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I would suggest if you don't already know how to do it - go to a tv repair place (or similar) and ask them to do it for you ... will cost you all of $10!

 

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Posted: Wed Oct 19, 2005 7:59 pm 
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just get the speedo cable out of the tranny and sticky it to a drill and drill it forward to the correct position pronto! no fuel used in this proccess. i need to do the same only problem is im 50,000 kms forward so i have to wind it 950,000kms its gonna take 4 eva
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Posted: Thu Oct 20, 2005 2:32 am 
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ringastinga wrote:
just get the speedo cable out of the tranny and sticky it to a drill and drill it forward to the correct position pronto! no fuel used in this proccess. i need to do the same only problem is im 50,000 kms forward so i have to wind it 950,000kms its gonna take 4 eva
Stick a brick on it and walk away for a few hours!

950,000/180 = 5277hrs = 31.4 weeks = 7.85 months non stop....have fun :P!
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Posted: Thu Oct 20, 2005 11:09 am 
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Where'd you get the 180 from? The speedlimiter is in the ECU, not the cluster, so I guess you could run it faster than 180.

And you're missing LTD in your 'ride'.

 

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