BAR-AIR
Well-Known Member
Good Evening,
Looking for information with regards to wiring (actually unwiring) a automatic transmission harness. Basically I have never really been happy with the way the automatic transmission shifts everything has to go through the TCM. Especially in auto cross events it tends to get confused and is shifting really early or very late. So I was getting ready to pull the automatic and install a manual but after talking to a couple people on the forum and the ease of which anybody can just jump in and drive the automatic I’m going to try one more thing to get it to work better.
So this is what I am trying to install...
TCM 920 Transmission Controller from E-TransControl
It has a fully manual mode with converter locked and unlocked(actual line pressure control) and it also has an automatic mode... completely stand alone...
So here are where the question begin... how much of the OEM TCM harness can be removed.
The above 3 pictures show the extent of the automatic transmissions harness. Relatively contained to it self.
Picture #1
Is the circular plug all wires from that go directly to the TCM
(with the exception of the pink wire which goes to the Black fuse block location 5-E then doubles back to the TCM).
Picture #2;
Wires from the TCM... only four wires go outside of the transmission harness
LT BLUE goes to the Black fuse block location B-5
RED/WHITE goes to Black fuse block location A-2
BROWN goes to Red fuse block on the BCM then doubles back to the ECU plug
BLACK goes to ground
DATA wires just go to and from the TCM
Picture #3
Wires from the automatic transmission selector on the transmission... only five wires go outside of the transmission harness
(2) BLACK go to ground
LT GREEN goes to the reverse lights
GREEN goes to the ECU plug
PINK/BLACK goes to the Black fuse block location B-5 (miss noted in picture)
Pictures #4-5
Just the Black fuse block and my notes...
Basic question... if I eliminate the entire TCM, circular plug, and selector plug.
if I tie the data lines together to eliminate that loop. What else will I need to keep?
THX,
Bruce
Looking for information with regards to wiring (actually unwiring) a automatic transmission harness. Basically I have never really been happy with the way the automatic transmission shifts everything has to go through the TCM. Especially in auto cross events it tends to get confused and is shifting really early or very late. So I was getting ready to pull the automatic and install a manual but after talking to a couple people on the forum and the ease of which anybody can just jump in and drive the automatic I’m going to try one more thing to get it to work better.
So this is what I am trying to install...
TCM 920 Transmission Controller from E-TransControl
It has a fully manual mode with converter locked and unlocked(actual line pressure control) and it also has an automatic mode... completely stand alone...
So here are where the question begin... how much of the OEM TCM harness can be removed.
The above 3 pictures show the extent of the automatic transmissions harness. Relatively contained to it self.
Picture #1
Is the circular plug all wires from that go directly to the TCM
(with the exception of the pink wire which goes to the Black fuse block location 5-E then doubles back to the TCM).
Picture #2;
Wires from the TCM... only four wires go outside of the transmission harness
LT BLUE goes to the Black fuse block location B-5
RED/WHITE goes to Black fuse block location A-2
BROWN goes to Red fuse block on the BCM then doubles back to the ECU plug
BLACK goes to ground
DATA wires just go to and from the TCM
Picture #3
Wires from the automatic transmission selector on the transmission... only five wires go outside of the transmission harness
(2) BLACK go to ground
LT GREEN goes to the reverse lights
GREEN goes to the ECU plug
PINK/BLACK goes to the Black fuse block location B-5 (miss noted in picture)
Pictures #4-5
Just the Black fuse block and my notes...
Basic question... if I eliminate the entire TCM, circular plug, and selector plug.
if I tie the data lines together to eliminate that loop. What else will I need to keep?
THX,
Bruce