1 (Red Wire) is spliced into V-PWR (Red Wire) on Pin #57. I don' tknow why, but Inj.1 (Tan Wire) goes to PCM Pin #58 and Inj. There are two wires labeled injector 1 wires on the conversion harness. PIN-OUT CHANGES (Old 93 SD harness to 95 MAF EEC) Then compare columns 8 and 9 for A4OD additions: In this case, compare column 5, 87-95 Speed Density to column 6 94-95 Mass Air. Posted below as well and available on, you can compare here to see what needs to be moved. Finally, I will also have to rewire the TFI since the new EEC will be looking for a black remote mount TFI vs the stock grey one.
#How are columes and rows used in tweecer install
Then I will install the overlay Harness for the MAF meter and Injectors. I have identified 10 wires that will need to be moved to different pin locations. I see what will need to be changed on the 60 pin harness connector so the New EEC gets proper input to the proper wire/pin. I have compared the pin-outs on the stock 60 pin connector/harness to the new EEC. The stock 93 harness is not set-up the same as the 95 MAF computer.
It is tunable, from the SMD-272 Hardware/Family Code and I found that it uses the AHACA strategy one of several supported by Tweecer for tuning.
I have sourced a Computer that will run a MAF 351W with E4OD transmission.
#How are columes and rows used in tweecer manual
Here is an older install I did with a Mustang harness for a manual trans.: to run the air to it and fuel system up to fuelin' it. I got a 90mm Ford Lightning MAF, 75mm Accufab Throttle Body, and an 8" cone filter I'll install in some sort of cold air housing. The stock harness is in good shape, is already set-up for the A4OD transmission, so I will retain it and use a layover harness from RJM Injection Tech.
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