keith
1/2 ton status
Can some one show me how that thing goes in. Been looking at it and it needs to be it put in. Thanks
CK5
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Picture needed of Th400 OD switch mounted.
- Thread starter keith
- Start date
k20
3/4 ton status
OD switch? if OD stands for overdrive, a th400 aint got overdrive. Can someone school me if it stands for something else?
k20 said:
Jah, I'm thinking the OP meant the kickdown switch.
-- A
keith
1/2 ton status
What ever its called I still need a picture. Yes I know it has 3 gears.
keith
1/2 ton status
Its a switch by the pedal
Don't know about that one but I do however have the B&M one that hooks up to the tbi linkage that is electronic, not that old. I don't need it anymore due to manual valve body. If you can't figure it out let me know. I will be posting it up for sale as soon as I have time to remove it. I will make it right for you though. Peace-out
keith
1/2 ton status
When you put this on did you notice any difference? And why did you go to the manual valve body?
The k5 had a 700r4 in it. I swapped in a th400/doubler and had no kickdown/passing gear, had to pull it down manually. I added the switch and all was good. I just recently cracked the th400 and had to replace it, so I went with a Art Carr reverse -pattern manual valebody. It will no longer shift itself so the switch is no longer needed. The switch has 2 wires 1 to power 1 to trans. It operates of the tbi linkage, there is a spring attached that pulls on the solenoid deal that sends a signal to trans to kickdown. You still need to adjust it but it's simple. Got it from Summitt for $50???ish...
77crewcab
1/2 ton status
Dont have a pic but I can describe how it goes. From the trans tunnel side put the switch in the hole on the pedal bracket with the peg towards the trans tunnel and the metal mounting bracket hole down. It really only goes one way from what I can tell.
thebigdaddyof2
1/2 ton status
Yep, pretty straightforward.
The switch mounts in the throttle pedal bracket as stated above.
The throttle pedal arm pushes on the peg of the switch when "floored" and sends +12v down to the T400 to indicate the need for passing gear.
The switch mounts in the throttle pedal bracket as stated above.
The throttle pedal arm pushes on the peg of the switch when "floored" and sends +12v down to the T400 to indicate the need for passing gear.
keith
1/2 ton status
Thanks I will look at it tomorrow.
This is the only one I have:
Hope it helps at least a little.
Hope it helps at least a little.
keith
1/2 ton status
I was looking at the lower bolts. Makes perfect sense now. Cool. I was just figuring it may have been different in a blazer. I will have it in today. Thanks for everything 
keith
1/2 ton status
Now I also see why i missed it. Had several things zip tied to it. Radio wires,ecu harness. 
