Ford EEC IV Computers/Intel- Motorola # ?

[Steve Gorkowski]

The chip is non-standard  and they normally use a add-on board to change  the
table values and plugs into the service plug on the side of box .

Steve

AL8001 at aol.com wrote:

> In a message dated 98-08-09 01:03:48 EDT, amexon at ozemail.com.au writes:
>
> >Does anyone know if all EEC IV computers as fitted to Ford vehicles are the
> >same (interchangeable)?
> >Do they all have the same part number?
> >Do they have different part numbers for different vehicles?
> >
> >I believe mine might be faulty and as my model of vehicle (1986 5.0 litre
> >F150) is uncommon in Australia, I would like to know whether or not I can
> >just take one from another Ford that uses an EEC IV.
> >
> >Thanks in advance,
> >Tony
> >
> >
>
> Not all Ford EEC- IV computers are the same. Ford uses a soldered in prom so
> every engine/trans/ body has a different #.  Though there are basic series of
> computers with different part # and the same computer board.
>
> Look on the sticker in the area that says " EEC-IV" near by there will be a
> fuel system code. Also heat stamped( not the molded connecter # ) on the ECM
> connecter there will be a engineering # , this should be the base un programed
> ECM #.
>
> You may be able to get a ECM that is more common then swap your PROM
>
>  From my stack of Ford computers come these codes:
>
> Code on
> sticker               Car                            Engineering #
> Part #
>
> CFI-SD         86 LTD V6 T body inj       E4LB-14A624-BB
> E4VF-12A650-E1A
>                     Map system
>
> EFI-TC5       85 XR4Ti 2.3 Turbo          E5ZB-14A624-AA
> E5ZF-12A650-K1A
>                    Multi port inj Bosch
>                    L Jet flap air meter
>
> FBC-DLX5   85 Ranger Tk 2.8 V6         E4LB-14A624-AC
> E57F-12A650-C1A
>
> CFI-SD11   88 Escort 1.9 T body         E6D8-14A624-MA          E7EF-12A650-BC
>                  inj MAP air flow
>
> EFI-MA35G  90 Explorer V6                E9AF-14A624-AA
> F07F-12A650-ABB
>
> Now for my question. Anyone have a interchange for a Intel Prom or Motorola
> chips?  ( I tried the Intel web page, all they show are PC CPU chips and the
> Motorola page didnot show  a 81C61A chip).  I'm mostly interested in the
> Merkur chip info.
>
> The Escort ECM has a windowed Prom "D8763-1     N73120FRN    S56014"  With a
> big dotted " i " to the left. Intel?  The sticker on the outside of the ECM
> says 32K Prom.   The CPU is a Motorolla 81C61-A,  A Motor web search showed
> nothing.
>
> The Merkur XR4Ti  has a silk screened rectangle around the outside of one
> chip, ( enough room that a socket could be installed and still show the notch
> for chip orientation).      No window on the chip " 6128B-1895   8001EN083"
> With a big " T " on the left.   There is also another chip "78001FEN085" with
> a big " i " to the left, Intel? the chip also says " ( symbol for copyright)
> Fo Mo Co "  and " (symbol for copyright) ' 80.
>
> The Ranger ECM has the "78001FEN085" Intel chip. The silk screened rectangle
> chip says " 8001EN063 < not my typo)  8430A C251353   NCR 6093800062 "
>
> The Explorer ECM  has a "87C 66  480   N74130FEC " windowed PROM  and a 81C62A
> chip.
>
> Thanks