Use of the overdrive switch on E4OD
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From: Joplin MO
According to YOUR transmission information page, the only trucks that used the C6 after 1990 were the F-250 and up.
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Joined: Dec 2006
Posts: 43,542
Likes: 819
From: Joplin MO
I discovered someone must have changed the shifter in my truck! This is my first F150 so I didnt know what I was looking for/at. I put some pictures of my dash/shifter here: http://pdmoneyf150.blogspot.com/ and with the help of steve_83 on supermotors I was able to figure out what was going on. Thanks for all the replies. Looks like I will be looking for a shifter or rigging another switch on the dash to go along with the TC lockout mod.
The TCS is simply a momentary switch that connects R/Y to T/W. The TCIL is an LED from R/Y to W/LG, but it's not necessary for the button to work.
The TCS is simply a momentary switch that connects R/Y to T/W. The TCIL is an LED from R/Y to W/LG, but it's not necessary for the button to work.
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From: Dover AFB DE / Harrisburg PA
Adrianspeeder
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Joined: Jan 2001
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From: Wylie, TX, USA
That's true. My 04 shifts into OD around 45mph. If locked out of OD it locks the TQ at 35-37 mph whichs keeps the transmission cooler. I'm still not sure why Factory Tech thinks the OD button is useless unless towing. IMO it keeps the tranny "healthier" when used correctly. A transmission only has "so many shifts built into it"
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From: Wylie, TX, USA
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From: The Shenandoah Valley
My first Ford polide car to have the button was my '98, then a 2000, then my last car .... a 2006 which I turned in when retired at 86K Jan 10 and the guy who has it now has near 150K on it and still she's working great ..... and I used the button all the time in each on them.
I used it if anticipating a kick down to 2nd for acceleration by kicking it out of OD first before hitting WFO as it's not good to have her kick down from OD all the way to 2nd in low speed passes.
I also used it for engine braking to preserve brakes, and to prevent hunting in 35-50 range. The state supplied brakes, etc .... but I wanted the brakes cool and in good shape when needing to slow from 120-130 to 45-50 in a hurry before entering that curve there at the foot of the mountain next to the river .... and other places.
If the engine or trans goes out, persuit over. If brakes go out, could be much worse. Neither of those cars ever had a trans problem. I used the gear lever to do same thing in several Chevy Caprice police cars from 1986 up until I got the '98 CVPI to do same things.
I use the button in my personal '01 Mercury GM and my '95 4.6 T-Bird and my '07 FX4 Scab 5.4. much the same way ... except no high speed persuits and responses .....
In the '85 T-Bird we had from 1986-2009 and my '92 T-Bird Sport with AOD I used / use the lever. Brake life is greatly extended and I don't ever have warped rotors. 
I used it if anticipating a kick down to 2nd for acceleration by kicking it out of OD first before hitting WFO as it's not good to have her kick down from OD all the way to 2nd in low speed passes.
I also used it for engine braking to preserve brakes, and to prevent hunting in 35-50 range. The state supplied brakes, etc .... but I wanted the brakes cool and in good shape when needing to slow from 120-130 to 45-50 in a hurry before entering that curve there at the foot of the mountain next to the river .... and other places.
If the engine or trans goes out, persuit over. If brakes go out, could be much worse. Neither of those cars ever had a trans problem. I used the gear lever to do same thing in several Chevy Caprice police cars from 1986 up until I got the '98 CVPI to do same things.
I use the button in my personal '01 Mercury GM and my '95 4.6 T-Bird and my '07 FX4 Scab 5.4. much the same way ... except no high speed persuits and responses .....
In the '85 T-Bird we had from 1986-2009 and my '92 T-Bird Sport with AOD I used / use the lever. Brake life is greatly extended and I don't ever have warped rotors.