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I have a 1990 bronco with a 5.0 and a 5 speed and recently acquired a 96 5.8 f150. The f150 is mass air and everything it's there but I want to know what I'm getting myself into so I have a few questions. First will the 96 5.8 harness swap directly onto my 5.0? Second will the computer work from the OBDII 5.8 on the OBD1 5.0 and will it matter if the donor truck parts are being swapped from an E4OD into a manual bronco or do I need a different computer?
 

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'92 Custom w/ '95 MAF 5.0 M/T, 33's, 4.10 LSD
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OBDI and OBDII computers and harnesses are not interchangeable.

The E4OD computer will work fine with a M/T. It may store some non-displayed codes for not receiving the transmission signals, but that's about it.
 

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Yo Sludge,
Welcome!
MAF Upgrade in a 90 by Seattle FSB @ MAF Upgrade - Lessons Learned Thread

Speed Density to Mass Air Conversion & Parts List with Cost for Bronco & F 150
Source: by Ryan M (Fireguy50) at fordfuelinjection.com
Speed Density to Mass Air Conversion & Parts List with Cost for Bronco, F 150 & Mustang
Source: by C. Asaravala at fordmuscle.com via web.archive.org
Speed Density to Mass Air Conversion & Parts List with Cost in a 93 F150, 5.0, E4OD; "...For this article, I will be doing a 93 Ford F-150, 5.0, E4OD trans. Because they don't make a kit for this, I will be re-wiring the harness, and using a PCM and MAF out of a 95 f-150, 5.0, E4OD. If you have a truck with a non-electronic Trans, like the old AOD's, or C-6's, etc, you can use a MAF conversion kit..." Read More
Source: by Mike C at eecperformance.com
Speed Density to Mass Air Conversion for Bronco & F 150; "...To convert SD trucks with E4OD/AODE transmissions to MAF, some people use the CA 5.8 MAF/E4OD (F5TF-12A650-BYA). Mike Wesley says he uses the F5TF-12A650-HB (95 CA 5.0 MAF/E4OD) on a 750+ HP daily driver 415 stroker Lightning with a Vortech S trim. It runs open loop, has been reprogrammed, drives like stock, gets 17 MPG and will run low 10’s at 130+ in the 1/4 mile and A/C and cruise work great. Both of these EEC’s are set to use 4.10 gears. If a smaller ratio is used, say 3.55, you could use the F5TF-12A650-GB. There are probably 15-20 EEC’s available to convert a SD (later model) to MAF (some of these may compromise the ability to stay emissions legal). If you have an early SD truck with AOD, re-wire to the Mustang EEC (Ford MotorSport sells this kit). You’ll have to move/add quite a few wires, and you might not like the results if you’re not able to re-calibrate the EEC (like the Pro-M ’low cost’ kit, Kenne Bell, LCA and Downs Ford come pre-re-calibrated). The engine shuts down at 85 MPH, shifting is fairly sloppy and too early (at least on a Lightning). All Ford EECs shift poorly -- except for the Lightning, which is only slightly firmer. To use the Mustang EEC on a truck with an E4OD/AODE, you would need to run two EECs in parallel. The Mustang EEC runs the engine, the existing truck EEC controls the trans. Pro-M sells a kit like this..." READ MUCH MORE
Source: by Tom C via Ryan M (Fireguy50)


Here are the:
1990 Bronco Pre-Delivery Shop & Electrical & Vacuum Troubleshooting Manuals (EVTM), Partial by member Kingfish999 in Google Drive @ 1990 Ford Truck service manuals - Google Drive
&
1990 Ford Truck Emissions Manual.pdf by Ford via member 90.CaliBronco in Google Drive @ 1990 Ford Truck Emissions Manual.pdf

Suggest you download both for faster scrolling and to use the table of contents index.

1990 Ford Bronco Brochure by Ford via Dezo's Garage @ https://www.xr793.com/wp-content/uploads/2020/07/1990-Ford-Bronco.pdf

Haynes Red Manual for 80-95 Bronco & F Series @ Hanes guide 80-96 bko f series.pdf found by Mrs BroncMom!

For any Bronco issues or to chat about it's planned modifications or build, it's better to post each seperately in Noobie Bronco Tech Questions. Flame free zone. This will get more attention and you can build up your post count to get into other sections such as Bronco and Ford Parts/Accessories that requires 50 non-padded posts to participate due to scammers who preyed on our members.

To save you time and for better responses, please fill out your Bronco info with location, year, engine size, transmission type, transfer case type (manual or electric shift), locking hub type (automatic or manual) info & major mods such as a Lift, etc. .
Bronco info is now able to be put under your user name.
Click your profile button in the top right and go to account settings.


On that first page, named Account Details, scroll down to "Vehicle Info" and type in up to 100 characters.

Now you can simply enter your information in the text editor and click save.

Our Forum FAQs includes for example: How To Upload Images To Posts, How to Use Search and more tips!

➡See Baba Looey's Favorite FSB Links (lots and lots of tech links) ... includes such as, "Tailgate Window repair & troublehooting".

Try to find time to participate and vote in our current Full-Size of the Month Contest & later in the year, Full-Size of the Year Contest @ Voting
You will get ideas by those competing. Prizes are awarded to winners! A full spread in Bronco Driver Magazine is the top prize, in addition to a years subscription, once the article is submitted. Also, a years worth of premium FSB membership is awarded to the winner.

Al
 
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