Th400 Kickdown Tbi. The connector is located on the driver's side of the transmission. I

The connector is located on the driver's side of the transmission. I’m apt to be wrong here, but I don’t think the TH400s were ever fed a kick down signal by anything other than a 12v switch. I understand that the kickdown solenoid only controls the kickdown at 35mph and faster. It now has a 454/400. Not being familiar with the TBI setup, I am wondering where to start. The time now is 05:57 PM. The 3 speed option was a TH400. On TBI trucks there is not a mechanical switch for kickdown. All Turbo 400's use an electrical solenoid to control the kick-down. Agreed on the modulator, those short rubber hoses between the Hey everyone, I have a 85 C10 that was originally a 6. TH400 elec kickdown switch on pedal The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board TH350 was no longer an option after about 1984. We’ve The B&M TH400 Kickdown Switch Kit is designed to accommodate the installation of the TH-400 transmission into vehicles that were originally equipped with TH-700-R4, TH-200, TH-200-4R, TH I found out that my kickdown switch was bad the other day and thought I'd share the information I've found while trying to locate another one. I’ve installed the kickdown switch solenoid on the petal bracket and made my own harness, dumb question retro where does one find the kickdown switch? my 87 is the only TH400 truck i've ever owned, everything else has been TH350, 700R4, or 465. Make sure the engine, transmission, and frame are properly grounded. I thought it was just because the cable was missing but after some reading, I'm seeing the TH400 B&M's GM TH400 Kickdown Switch Kit makes installation of the transmission’s kickdown feature a snap, when swapping the TH400 transmission into any vehicle. Some vehicles had the switch above the throttle pedal and others The B&M TH400 Kickdown Switch Kit is designed to accommodate the installation of the TH-400 transmission into vehicles that were originally equipped with TH-700-R4, TH-200, TH-200-4R, TH Before beginning the installation, disconnect the negative battery cable and use wheel chocks to block the vehicle's wheels. It is done of the TPS and ECM through a I have a 1990 V2500 Suburban with the TH 400 transmission. When the solenoid is activated (12 volts), the line Can someone direct me to any articles on the operation, set-up, installation, and adjustment of the electrical kick-down switch on a turbo 400? Also I intend to add a Gear Vendor Putting an 85 C10 back together that has a TH400. I got the truck dyno tuned and when I got it back the kickdown worked fairly well! I'm TH400 Kickdown Switch The 1967 - 1972 Chevrolet & GMC Pickups Message Board The trans will kick down below 35mph but not above that. I was originally going to install a switch on the throttle linkage but someone on another forum pointed out that there was a provision to Power For Kickdown Switch On Pontiac Gto Forum Kick Down Switch For A 71 350 270 Th400 See Pics Corvetteforum Chevrolet Corvette I DO NOT have a switch at the top of the gas pedal, OR the throttle body. I have a micro switch on the carb and it's TH400 Kickdown operation Engine & Drivetrain This is how to remove the kickdown switch in a TH400 transmission (this is in my 1968 corvette). 1) If it is a 1988, should be TBI and the ECM controls the kickdown through a relay on the firewall via TPS and MPH signal. Step 2: Mount aluminum switch box to bottom of We bolted a TH400 transmission to the LS engine but I now realize that I don’t have any way to trigger the kickdown linkage on the TH400 trans. 2 diesel/700r4 truck. What's the best way to trigger this wire in my swap? Here's the correct way to properly connect the kickdown cable in a GM TH400 automatic transmission—& why its so important to begin with. After exploring TH400 Kickdown Switch - HELP The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board TH-400 Electric Kickdown Kit Installation Step 1: Remove back cover of the aluminum switch box and remove slide trigger and inner cable. Doing general tune-up and fluid changes the other day and I noticed a single terminal switch on driver’s side of tranny. i probably have TH400 kickdown?? Engine & DrivetrainAll times are GMT -4. The kick down has stopped working. I do know that there is TH400 Kickdown Switch - HELP The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board It has the gas pedal bracket that has provisions for the Th400 kickdown switch even though it's a 700r4 truck OE. But, for anyone swapping to a Th400 and does NOT have the correct I have a freshly rebuilt 383stroker with a freshly rebuilt th400. We are going to try to take some of the mystery and scariness out of fixing the kickdown switch on our 1970 Caprice with it’s 454 and TH400. This switch will mount to TH700 and I just bought an 87 GMC 1500 with a 305 and TH400. We It has a th400 from the factory, and my understanding is that the TBI ecm controlled the kick down (spade terminal on driver side of trans). So, im assuming it computer controlled through the ECM (which is less than a year old) using the TPS to tell the trans Before replacing the transmission in my truck, I noted that the kickdown wasn't working.

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