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| Dansedgli |
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Hi guys,
Im wanting to put an aftermarket ECU (that I already have) into my EF but its auto. I know you need to run the standard computer alongside the aftermarket one but Im wondering what exactly has to be left in place for it to work? TPS, crank trigger signal etc? Can these wires all be successfully spliced into so the signal is shared? |
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| 66 coupe |
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it depends on your aftermarket ecu, if you can disable the internal pullups then you can share the sensors.
is it 6cyl or v8? |
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| Dansedgli |
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Ah okay. Ill have to find that out.
Its an I6. |
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| 66 coupe |
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i6 - factory ecu will need vss, rpm, map, tps and optionally ect.
What aftermarket ecu do you have? |
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| Dansedgli |
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Its an adaptronic e420c.
I want to try and set it up so that making the standard ECU control everything again is a simple procedure if I can. VSS is seperate to the engine wiring isnt it? It goes from the trans to the dash to the ECU doesnt it? RPM can be substituted with the tacho output on the ECU if I cant share the signal. MAP sensor will be seperate as Ill use a 3 bar GM one. TPS will need to be shared. Im not sure what the ECT signal is for? Does that sound about right to you? |
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| 66 coupe |
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yeah VSS comes from the cluster so you wont need to touch that one.
RPM - it depends if the adaptronic works with the PIP signal, you may be able to piggy back the signal MAP will be fine if your using an additional sensor TPS - you will need to remove the pullup from the adaptronic - they should be able to tell you which resistor to remove off the pcb ECT - engine coolant temp, probably same deal as above or use a seperate sensor for the adaptronic if you have room on the thermostat housing |
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| Dansedgli |
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Ahh thanks for that.
Ill do what stock standard did in his MS2 install and fit up an EA ghia thermostat housing so I can run 2 coolant sensors. I thought the PIP signal was a TFI module/dizzy thing? Thanks for your help. |
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| Dansedgli |
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Ive done some searching on the adaptronic forum.
Apparently the TPS can be spliced into without a drama. The adaptronic needs its own water and air temp sensors as well. Thanks for your help mate. This shouldnt be too difficult to overcome. Ill get an EF loom on the weekend and start making up a 2nd loom. I should be able to make it so that I can just unplug a few plugs and have the stock ECU running the engine again quite easily. |
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| Dansedgli |
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Just an update.
I sold the EF and the ECU I mentioned. Then bought another auto EF and a microtech a few months later. I put the ECU in a few weeks ago now. I shared the TPS and crank trigger and fitted a new coolant and air temp sensor. The car fired up no worries and the auto works fine. |
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