mystery switch
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mystery switch
I was told you can't do a mystery switch (lock up switch) on the 2003 and newer Dodge trucks, that being said, if it is possible I would sure like to find a link on how to install on my 03 Dodge. Is there such a link??
Thanks
Thanks
DTR's 'Wrench thrower...' And he aims for the gusto...
Joined: Oct 2003
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From: Smith Valley, NV (sometimes Redwood City, CA)
I have one on mine and it works perfectly. Search around for the right way to connect one to your truck. I mounted my toggle switch on the gear selector where I can hit it without looking. On or off. Biggest problem is forgetting it's on and lugging at a stop. Some sort of disconnect would be nice and some have done that too.
I don't have a stick and it's a nice way to simulate one in the mountains.
I don't have a stick and it's a nice way to simulate one in the mountains.
DTR's 'Wrench thrower...' And he aims for the gusto...
Joined: Oct 2003
Posts: 2,668
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From: Smith Valley, NV (sometimes Redwood City, CA)
Dome,
You might get more help if you fill out your signature or, at least, tell us what tranny you have. A 47 or a 48?
If you have a 48 you might look at the post "The Definitive howto: 04.5-05 Tc Lockup Switch" from Dec, '06 I can't remember when the tranny went all electronic and they did away with the TV cable. Might make a difference.
There are a few different methods for different years. Mine was just grounding a plug terminal with a resister in line.
You might get more help if you fill out your signature or, at least, tell us what tranny you have. A 47 or a 48?
If you have a 48 you might look at the post "The Definitive howto: 04.5-05 Tc Lockup Switch" from Dec, '06 I can't remember when the tranny went all electronic and they did away with the TV cable. Might make a difference.
There are a few different methods for different years. Mine was just grounding a plug terminal with a resister in line.
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From: In Oroville, Ca., same house for past 46 yrs!
here's my diagram
with a 48 RE here's the diagram. If you wire in series a pressure switch to the govenor port on the side you can have it disconnect when the speed drops below a preset amount. I think the rule is 1 psi for evey MPH, not sure.
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DTR's 'Wrench thrower...' And he aims for the gusto...
Joined: Oct 2003
Posts: 2,668
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From: Smith Valley, NV (sometimes Redwood City, CA)
With the switch you can manually lock the converter.
For me, in the mountains where I'm on and off the throttle, it acts like a manual instead of lock-unlock-lock-unlock constantly. Give the powertrain a more solid feel.
Also, on a long stretch at below normal lockup speed, you can lock it and slow the engine to almost an idle.
Sometimes in second on steep slow winding roads, locked works better than slipping.
An automatic can be tiresome when it is hunting for gears, and is in and out of lockup. The Cummins has a lot of torque and likes to run slow, so locked is more peaceful and solid.
But using it wrong or when racing really strains things. A good way to break the input shaft is to brake torque and then lock it, or flip the switch at full throttle in first. Especially with a better than stock TC.
It's just a fun little modification.
For me, in the mountains where I'm on and off the throttle, it acts like a manual instead of lock-unlock-lock-unlock constantly. Give the powertrain a more solid feel.
Also, on a long stretch at below normal lockup speed, you can lock it and slow the engine to almost an idle.
Sometimes in second on steep slow winding roads, locked works better than slipping.
An automatic can be tiresome when it is hunting for gears, and is in and out of lockup. The Cummins has a lot of torque and likes to run slow, so locked is more peaceful and solid.
But using it wrong or when racing really strains things. A good way to break the input shaft is to brake torque and then lock it, or flip the switch at full throttle in first. Especially with a better than stock TC.
It's just a fun little modification.
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Joined: Feb 2002
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From: SE PA
Who wrote that article? I like the idea of the momentary switch in the steering wheel but I'm not sure my truck has that spare circuit. I have the radio controls option.
I 'm now thinking of putting a foot switch on the floor. Like the old highbeam switches and add a light on the dash in line with a pressure switch to the gov pressure port (thank you cdennyb) to automatically turn it off at low speeds.
I 'm now thinking of putting a foot switch on the floor. Like the old highbeam switches and add a light on the dash in line with a pressure switch to the gov pressure port (thank you cdennyb) to automatically turn it off at low speeds.
DTR's 'Wrench thrower...' And he aims for the gusto...
Joined: Oct 2003
Posts: 2,668
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From: Smith Valley, NV (sometimes Redwood City, CA)
hoot,
Won't the pressure method also automatically turn it back on, with an increase in pressure, unless you step on the floor switch again? If so I don't think you'll like it. Maybe you could set it up to switch on manually and off automatically, but not go back on unless you step again (relay?). If it is simply pressure controlled it will shift while locked 1-2 (ouch), 2-3 (ouch) and force itself into OD too early.
A small toggle or momentary switch on the selector arm seems more convenient or quicker than the floor switch. But the floor switch is convenient for wire runs to the tranny and it's invisible.
Won't the pressure method also automatically turn it back on, with an increase in pressure, unless you step on the floor switch again? If so I don't think you'll like it. Maybe you could set it up to switch on manually and off automatically, but not go back on unless you step again (relay?). If it is simply pressure controlled it will shift while locked 1-2 (ouch), 2-3 (ouch) and force itself into OD too early.
A small toggle or momentary switch on the selector arm seems more convenient or quicker than the floor switch. But the floor switch is convenient for wire runs to the tranny and it's invisible.
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Joined: Feb 2002
Posts: 745
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From: SE PA
hoot,
Won't the pressure method also automatically turn it back on, with an increase in pressure, unless you step on the floor switch again? If so I don't think you'll like it. Maybe you could set it up to switch on manually and off automatically, but not go back on unless you step again (relay?). If it is simply pressure controlled it will shift while locked 1-2 (ouch), 2-3 (ouch) and force itself into OD too early.
A small toggle or momentary switch on the selector arm seems more convenient or quicker than the floor switch. But the floor switch is convenient for wire runs to the tranny and it's invisible.
Won't the pressure method also automatically turn it back on, with an increase in pressure, unless you step on the floor switch again? If so I don't think you'll like it. Maybe you could set it up to switch on manually and off automatically, but not go back on unless you step again (relay?). If it is simply pressure controlled it will shift while locked 1-2 (ouch), 2-3 (ouch) and force itself into OD too early.
A small toggle or momentary switch on the selector arm seems more convenient or quicker than the floor switch. But the floor switch is convenient for wire runs to the tranny and it's invisible.
As far as a floor switch is concerned, I can't for the life of me figure out why they still aren't used for high beams. I grew up with cars that had foot switch high beams. When they put it in the stalk I figured it wouldn't last long and everyone would want the foot switch back. You don't have to do anything with your hands. So much more convenient while driving. You know what it's like to kick off your high beams while taking a sharp turn and into oncoming traffic with the stalk... it sucks!
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From: jarrettsville, md
If you only have a switch you have to turn it off. If you have a switch and the pressure circuit you don't have to worry about turning it off when you come to a stop. If you leave it on and have a built trans you should get nice crisp shifting if you aren't heavy on the pedal. I am interested in seeing how it works. The pressure switch I ordered is adjustable so I can adjust it to turn off at higher or lower pressures.
As far as a floor switch is concerned, I can't for the life of me figure out why they still aren't used for high beams. I grew up with cars that had foot switch high beams. When they put it in the stalk I figured it wouldn't last long and everyone would want the foot switch back. You don't have to do anything with your hands. So much more convenient while driving. You know what it's like to kick off you high beams while taking a sharp turn and into oncoming traffic with the stalk... it sucks!
As far as a floor switch is concerned, I can't for the life of me figure out why they still aren't used for high beams. I grew up with cars that had foot switch high beams. When they put it in the stalk I figured it wouldn't last long and everyone would want the foot switch back. You don't have to do anything with your hands. So much more convenient while driving. You know what it's like to kick off you high beams while taking a sharp turn and into oncoming traffic with the stalk... it sucks!