Th400 Transmission Parts Diagram Wiring Diagram Pictures

OPERATING AND WIRING INSTRUCTIONS FOR THE TH400 INTERNAL TRANSBRAKE e finest and safest internal transbrake made today. A few hints on wiring and operating will make your use of the s use solid mounts on both engine and transmission. If by chance this is not the case in your application, be sure. Re: th400 downshift switch wiring? The switch needs power from the fuse block (switched power, only on when the ignition switch is on). The other side of the switch goes to the orange wire on the trans. The last picture I posted shows the tab you bolt onto the throttle arm, that rubs against the switch plunger.

TH400 Electric Kickdown Kit Installation Instructions Step 7: The tear drop (not included, part of the Lokar Cable Bracket) will be attached to the throttle arm by the hex carb fitting. Separate the hex carb fitting from the kickdown throttle body fitting. Install the hex carb fitting and the tear drop onto the throttle arm as shown in Fig. 5.. Here's the correct way to properly connect the kickdown cable in a GM TH400 automatic transmission—& why its so important to begin with.