[Diy_efi] TCC control
Ne14RoxCJ at aol.com
Ne14RoxCJ at aol.com
Thu Jul 4 17:22:40 GMT 2002
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I plan to use the vaccum switch and pressure switches to control the TCC,
since that is what the '85 model 700R4 is set up for (instead of computer
control). Does the ECM still need any inputs (like 4th gear signal) for
fuel/spark changes, or do I just stow those wires and burn the EPROM as a
manual vehicle? I would think it needs something to advance the timing at
hi-way speeds, but is that just from the VSS? Thanks for your help, Bruce.
I'll go splice that IAC together now. Probably more questions to come. I have
all the papers from the DIY site, but like I said, my projects always have to
be more complicated.
BTW, I've heard bad things about controlling a 700R4 with the '747. Any
thoughts on that. My only basis for using stock set-up (pressure switches) is
the mods to the valve body.
Thanks again,
Beau
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<HTML><FONT FACE=arial,helvetica><FONT SIZE=2>I plan to use the vaccum switch and pressure switches to control the TCC, since that is what the '85 model 700R4 is set up for (instead of computer control). Does the ECM still need any inputs (like 4th gear signal) for fuel/spark changes, or do I just stow those wires and burn the EPROM as a manual vehicle? I would think it needs something to advance the timing at hi-way speeds, but is that just from the VSS? Thanks for your help, Bruce. I'll go splice that IAC together now. Probably more questions to come. I have all the papers from the DIY site, but like I said, my projects always have to be more complicated.
<BR>
<BR>BTW, I've heard bad things about controlling a 700R4 with the '747. Any thoughts on that. My only basis for using stock set-up (pressure switches) is the mods to the valve body.
<BR>
<BR>Thanks again,
<BR>Beau</FONT></HTML>
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