Connect ground wire to case above lockup switch connector. Each component ought to be set and linked to different parts in particular manner. Need help wiring adjustable vacuum lockup switch for a. The lettered callouts reference the callouts in the diagram and the two photos immediately following this diagram. Will vance goes over internal wiring installation on the tci 200r4700r4 lockup kit. When switch is on the transmission will not engage into lockup until transmission is in 4th gear.
You can also wire a manual switch to override the vacuum and brake switch if you wanted to. Theres a bracket on the carb and on the manifold that. Installation instructions th700r4 4l60 transmission. When the solenoid is engaged, fluid is applied to the torque converter clutch, creating lockup and a direct link between the engine and transmission. I put a 2004r in my 73 and installed the tci wiring kit and it works great. This universal lockup wiring kit is needed when installing a gm 700r4 or 2004r transmission in a noncomputer controlled application such as a street rodder, muscle car, or when removing the factory computer in pre1993 applications that utilize a 700r4 or 200r4 transmission. This kit is an external wired kit, so there is no need to drop your pan for installation. I just need to get it home from the shop thats installing the new tranny. To test the lockup feature of the torque converter on your car, put the transmission in overdrive od, accelerate to 4550 mph and maintain a constant speed. This 700r4 transmission torque convertor kit includes new. If you want the image to be deleted, please contact us, we will delete it from our website. This easytoinstall, universal lockup wiring kit makes it possible for you to install a gm 700r4 or 2004r transmission into a noncomputer. Aug 18, 2017 the lettered callouts reference the callouts in the diagram and the two photos immediately following this diagram. Apr 01, 2016 manual override allows complete control over lockup constructed with oe connectors and oilresistant wire simple installation requires only general mechanical knowledge.
When retrofitted into early muscle cars, these trannys require the pressure switch to be changed and a few wires rerouted. But, before you install that new th2004r or th700r4 tranny in your early hot rod, there are a few things you should know about how to make them work. This allows tcc engagement to be adjusted to occur any speed or gear above 1st which may be desirable for fuel economy considerations. Tci 2004r 700r4 torque converter lockup kit universal transmission lock up. Connect the transmission connector plug to the transmission plug on the driver side and be sure it is plugged in securely. When the brakes are applied the relay switches to pin 87 and the circuit is broken, thus unlocking the torque converter. This is pretty annoying when driving in 3050mph stop and go traffic. Is this still the case in my situation, based on the diagram of my wiring. If you delete the optional manual switch then pin b and d are simply connected to an unswitched ground. We never admit that the image is our image, the is in the image owner, we only help our users to find the information they are looking for quickly.
Manual override allows complete control over lockup. Jul 06, 2016 will vance goes over internal wiring installation on the tci 200r4700r4 lockup kit. Wiring th350c lock up diagram best wiring library th350 transmission wiring diagram schematics wiring diagrams u2022 rh parntesis co chevy 700r4 transmission parts diagram. Universal tcc lockup kit for 700r4 and 2004r this kit enables handsfree, automatic activation of the torque converter clutch tcc along with the option of manual control. Then you can run the solenoid ground to a normally open 4th gear pressure switch with single terminal contact from a 700r4 and as soon as it shifts into 4th gear the converter will lock. If you delete the optional manual switch then pin b and d are simply connected to. Tci automotive 376600 lockup wiring kit, 2004r700r4.
This universal lockup wiring kit is needed when installing a gm 700r4 or 2004r transmission in a noncomputer controlled. The following wiring diagrams do not necessarily represent the correct wiring diagram for a stock 700r4 as these can vary. I modified the wiring in the car by adding a fingertip switch and an onoffon switch. Torque converter lock up kits 2004r transmission type. Installation guidelines the following is a slightly modified version of the guidelines that are used in our shop. The switch will allow driver to turn the lockup function off during intown driving and on during high speedhighway driving. This easytoinstall lockup wiring kit for 700r4 and 2004r transmissions from. As you hit the gas it will kickdown out of 4th and. This universal lockup wiring kit is needed when installing a gm. Switch to transmission connector location a see figure b for wire diagram and figure c for switch and connector diagram.
And to disengage the lockup, the wiring is run to the brake switch the brake turns off the lockup. I have that info here along with wiring information for the lockup converter. In stock form the 3rd and 4th gear switches are inputs to the ecm. This 700r4 transmission torque converter lockup kit lets you run your carbureted engine with an economical overdrive transmission. Ok, i just helped another member with this issue privately. Wiring diagram also provides beneficial recommendations for projects that might need some additional gear.
They allow automatic operation of the tcc in 4th gear under stable engine operation, and disengage the clutch when accelerating or downshifting. Wiring changes for a th2004r to allow lockup only in 4th gear. Remove the transmission oil pan bolts, carefully drain the transmission fluid and remove the pan. And now im getting the proper brackettry for putting the tv cable to the carb. Refer to this image out of the shop manual for reference if you need. Figure 3 2004r streetstrip or competitionfull manual 386010 valve body wiring diagram a b d c figure 1 700r4 streetstrip wiring diagram terminal a to positive tcc solenoid terminal b to negative tcc solenoid negative tcc solenoid terminal to 4th clutch switch terminal d to 4th clutch switch 4th clutch switch with two terminals. If you are using a hydraulic pressure switch, a bracket will be needed to mount the switch so when the pedal is up the switch is. With this sort of an illustrative guidebook, you will be able to troubleshoot, stop, and total your assignments without difficulty. Tci 2004r 700r4 torque converter lockup kit universal. I checked out the bowtie overdrive site and all it shows that is necessary is a 12v power source through the brake light switch and then to the solenoid connector on the side of the trans.
Tci 2004r700r4 lockup wiring kits 376600 free shipping on. Universal lockup kit 700r4 and 2004r this kit enables handsfree, automatic activation of the torque converter clutch tcc along with the option of manual control. Oct 20, 2018 700r4 lockup wiring diagram you will need a comprehensive, expert, and easy to understand wiring diagram. If you have any questions at all be sure to give us a call at 18007080087.
This feature is often controlled by the vehicles computer when certain. Tci 376600 transmission lockup lockup wiring kit for gm. The guy at the cruise said he was putting in a 700r4 and wanted to know if you really had to install the kit to make the tranny work in all 4 gears. Torque converter lockup on the 700r4 transmission is controlled by the tcc solenoid. Wiring changes for a th2004r to allow lockup only in 4th gear by chris boydstun leave the red wire from the tcc solenoid to the case connector. Otherwise, the arrangement wont work as it ought to be. Tci 2004r700r4 lockup wiring kits 376600 free shipping.
While this vacuum operation makes the lockup fully automatic, there is also a manual override option that allows complete control over lockup if. From what ive been told, when looking down from the top, the back left pin is hot. Bow tie overdrives uses these guidelines in general and custom installations specifically. Ensure the new solenoid has a new oring at its mouth. Ive installed a 2004r transmission in my 1962 impala. Figure 3 2004r streetstrip or competitionfull manual 386010 valve body wiring diagram. How to wire a switch to lock up the torque converter on a. Both the 2004r and 700r4 use a lockupstyle torque converter that requires 12 volts and a pressure switch to lock up in fourth gear. Also look at the instructions for the tci lockup kit and it explains it. Installation of these tci 2004r700r4 lockup wiring kits makes retrofits into nonecm 700r4 or 2004r vehicles a snap.
Here is a diagram and a picture several pics collaged togetherof what found when i dropped my trans pan. All you have to do is verify that you have 12 volts on terminal a at the trans case connecter. We prewire all of our transmissions with an internal wiring harness and include it in this kit. Route the wire harness through the same wire clips as the old harness. Tcis 2004r 700r4 universal lockup wiring kit provides handsfree, automatic activation of the torque converter clutch in 4th gear and will disengage the clutch when you accelerate or down shift.
Painless wiring 60109 700r4 transmission torque converter. Discussion in the hokey ass message board started by 345 desoto, mar 28. Here is the gm part number to the correct switch 86. If this kit is to be used with a 2004r the transmission pan gasket must be purchased separately. The main purpose of these guidelines is to remind ourselves of all. Installing a fresh tranny that has this plug on the side where the 4prong weather pack is on my original gn tranny. If the switch is not changed and wired properly, the converter will not lock up in fourth gear and. This easytoinstall, universal lockup wiring kit makes it. I finally got a 200r4 installed today, not running yet but i want to verify the lockup wiring for it. This universal lockup wiring kit is needed when installing a gm 700r4 or 2004r transmission in a. This page is all about what i learned about the wiring needed to control the lockup torque convert clutch tcc after i decided to swap the original th400 transmission in my 1975 gmc suburban for a th700r4 transmission to gain the benefits of a modern overdrive transmission and help tame my great for towing 4. This kit contains a gasket for the 700r4 transmission only.
In a braking situation the brake switch disengages the converter for me. I got the toggle switch from the junk yard out of an older nissan maxima, its lighted and says od on it. This kit is an external wired kit, no need to drop pan for installation. This will be the wire that losses power when the brake is applied. I had ordered from monster transmission a torque converter lockup wiring kit and pressure switch. Splice the black ground wire from the tcc solenoid to the usually blue wire running from the 4th gear clutch switch. This guide even contains recommendations for additional provides that you may need as a way to end your tasks. Now theres an inexpensive way to automatically lock up the torque converter in 4th gear without the need for a computer. Its simple i push the switch and the tranny locks the converter. When the switch is on the transmission will not engage into lockup until your. The proper diagram is the lower one for the cz model th2004r transmission. Discussion in the hokey ass message board started by 31aboy, nov 19, 2011.
Description one 1 internal wiring harness one 1 external wiring harness one 1 vacuum switch. This will supply the solenoid with 12 volts to operate. Both the 2004r and 700r4 use a lockupstyle torque converter that requires 12 volts and a. The 2004r external lockup kit this kit will enable the driver to control the operation of the torque converter lockup. Normally, i believe that pin a is 12 volts, and pin d is ground. Torque converter lockup kit, wiring kit, vacuum switch, gm, 2004r, 700r4, kit. How to install a 200 4r external monster transmission lockup kit. This easytoinstall lockup wiring kit for 700r4 and 2004r transmissions from tci allows handsfree, automatic activation of the torque converter clutch in 4th gear under stable engine operation, and disengages the clutch when accelerating or down shifting. The pressure switch is the hardest part to get right, because there are different types. Manual override allows complete control over lockup constructed with oe connectors and oilresistant wire simple installation requires only general mechanical knowledge. Need help wiring adjustable vacuum lockup switch for a 700r4. You need to replace the pressure switch and the solenode, at least in their scheme of how to do it. Description one 1 internal wiring harness one 1 external wiring harness one 1 vacuum switch one 1 fourth gear pressure switch 2.
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