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ECU Dis-Assembled Pics for J3 Chip PICS 

 

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 Post subject: ECU Dis-Assembled Pics for J3 Chip PICS
Posted: Wed Dec 02, 2009 9:36 pm 
Getting Side Ways
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Ride: EF Fairmont Sedan

Power: 180 rwkw

Location: Ferntree Gully
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Just thought I would throw some pics of the ECU Dis-Assembled as the novice may not know how it comes apart :)

Here is a Linky for How to Install a J3 Chip by TI Performance http://www.tiperformance.com.au/Technical/Installing%20a%20J3%20Chip.pdf but doesnt show the ECU apart

Top with scews ready to be removed
Image

Top Cover Removed - you can see the 6 Screws that have been removed
Image

Bottom
Image

Bottom Cover Removed
Image

Dirty J3 Terminal
Image

Dirty J3 Terminal Close Up
Image]

Other Side of Dirty j3 Terminal with a bit wiped off
Image

CLEAN J3 Terminal
Image

Other Side of CLEAN J3 Terminal
Image

 

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PROEF 13.46 @ 105.78mph - 1994 Ford Fairmont EF NA 6cyl Man 3.9 diff Sedan
Stock Fuel Pump, 29lb Injectors, JMM Street Series Headers, 2.5" Exhaust, 205rwkw

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 Post subject: Re: ECU Dis-Assembled Pics for J3 Chip PICS
Posted: Wed Dec 02, 2009 9:51 pm 
Getting Side Ways
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Good pics! Got one of you scraping the lacquer off? It still manages to get a lot of people!

Jason
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 Post subject: Re: ECU Dis-Assembled Pics for J3 Chip PICS
Posted: Wed Dec 02, 2009 10:00 pm 
Getting Side Ways
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Joined: 14th Apr 2006

Ride: EF Fairmont Sedan

Power: 180 rwkw

Location: Ferntree Gully
VIC, Australia

Nah i didnt take one :( Maybe next time..................

The stuff you can see is the easy bit - but the clear laquer underneath is where you need metho and the screw driver

You can see a lil bit of crap left over in one of the pics but that was cleaned up as good as the other side before re-fitting the J3 Chip to the new ECU

 

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PROEF 13.46 @ 105.78mph - 1994 Ford Fairmont EF NA 6cyl Man 3.9 diff Sedan
Stock Fuel Pump, 29lb Injectors, JMM Street Series Headers, 2.5" Exhaust, 205rwkw

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 Post subject: Re: ECU Dis-Assembled Pics for J3 Chip PICS
Posted: Thu Dec 03, 2009 12:52 pm 
Smokin em up
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Ride: EF futura 96

Location: Le BrisVois
QLD, Australia

Maybe a good tip to add would be to keep removing the lacquer until the connector stripes become copper in colour.

Because I was being really cautious, i removed some lacquer and the strips looked silver and shiny, So I 'thought' I was done. But the strips still felt a bit sticky (like when you feel the lacquer over the circuitboard itself), So i decided to just keep on scraping, throwing caution to the wind.

I seriously thought i was starting to damage the strips because this stuff just kept on coming off and it still looked silver. I had another look at the PDF and was sure that the finished pic was copper looking.

Finally i broke through and the copper started to show and I took a sigh of relief. Works great.
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