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4R100 TC Lockup Mod Opinions?

TC Lockup Okay so did I stump everyone? :dunno I found a set of wires that go over the transmission to the passengers side, but they are impossible to get to. Can some one send me a pic of what the connector should look like? Its a rebuilt HD 4r100 so that may be why the wires are a different...
- kpulsip1
- Post #40
- Apr 30, 2011
- Forum: 7.3L PowerStroke Power & Performance
K
4R100 TC Lockup Mod Opinions?

So I found the connector on the drivers side of my tranny, which I thought it was on the passenger side, but either way the number four pin is a yellow with black stripe wire and the number 7 pin is a purple with a yellow stripe wire. Which one is it? Thanks
- kpulsip1
- Post #39
- Apr 27, 2011
- Forum: 7.3L PowerStroke Power & Performance
K
4R100 TC Lockup Mod Opinions?

Thanks for your help. So on my transmission Im looking for pin #4 and it is purple and yellow? Then just run that to a switch that is grounded? Do I have that right? Thanks.
- kpulsip1
- Post #37
- Apr 25, 2011
- Forum: 7.3L PowerStroke Power & Performance
K
4R100 TC Lockup Mod Opinions?

Okay, so the question is: When I flip the switch off does everything go back to normal? No blinking overdrive light? I have a 40 foot toyhauler and to get to the dunes I have some long, steep pulls. This last weekend I put the shifter into 2nd and at about 35 the tc locked up. The pull was 100...
- kpulsip1
- Post #35
- Apr 24, 2011
- Forum: 7.3L PowerStroke Power & Performance