brown wire TC conversion
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brown wire TC conversion
Has anyone here tried the conversion to their TC ? Has it improved MPG ? Any problems ? I just bought a 98 Explorer and heard about putting a switch in/on the brown wire to dis-engage the TC from full time activation. Looking for comments before I decide.
Former ******
Joined: Nov 2004
Posts: 4,901
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From: Salt Lake City, Utah
Why would you want to?
The Torque converter turn horsepower into torque. In exchange it wastes some energy in the form of heat, so it hurts fuel economy. The torque converter lockup activates a direct drive through the torque converter, so that it behaves like a clutch. In this mode fuel economy is saved. So it is when it is engaged, that fuel economy can be increased. The switch will do several things. One it can disable the torque converter lockup. This is bad for several reasons. It hurts economy, it overheats the tranny, it will set tranny codes, and is overall a bad thing. Engaging the lockup when it is not supposed to be locked can cause other damage too, just in case you were contemplating that idea.
The Torque converter turn horsepower into torque. In exchange it wastes some energy in the form of heat, so it hurts fuel economy. The torque converter lockup activates a direct drive through the torque converter, so that it behaves like a clutch. In this mode fuel economy is saved. So it is when it is engaged, that fuel economy can be increased. The switch will do several things. One it can disable the torque converter lockup. This is bad for several reasons. It hurts economy, it overheats the tranny, it will set tranny codes, and is overall a bad thing. Engaging the lockup when it is not supposed to be locked can cause other damage too, just in case you were contemplating that idea.
Former ******
Joined: Nov 2004
Posts: 4,901
Likes: 2
From: Salt Lake City, Utah
Oh, ok transfer case.
It already disables itself at speeds over 35 mph, and really only engages when it detects slippage. The system is alway engaged, which is why they call it AWD. The mechanism has a lockup that kicks in when the speeds sensors detect that you may be slipping. This locks the front and rear driveshafts together. However, with the mechanism disengaged, you still get a ~30-70 torque split all the time. There is no way to disengage it without destroying the transfer case. BTW, you can disable the lockup by just pulling the fuse.
It already disables itself at speeds over 35 mph, and really only engages when it detects slippage. The system is alway engaged, which is why they call it AWD. The mechanism has a lockup that kicks in when the speeds sensors detect that you may be slipping. This locks the front and rear driveshafts together. However, with the mechanism disengaged, you still get a ~30-70 torque split all the time. There is no way to disengage it without destroying the transfer case. BTW, you can disable the lockup by just pulling the fuse.
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