700r4 speedometer hook up, chevy r4 trans speedometer hook up

The tail shaft housing is the same. Then connect to the new single-pin connector at the transmission arrow, websites photo C. Some of the t Bullets will leak oil because the O-ring will not seal properly.

700r4 TCC/lockup wiring

700R4 Transmission Parts

Chevy r4 trans speedometer hook up

Do you have to change the tail shaft housing too? It will not let any vacuum go to the switch until the engine coolant temp reaches degrees. Now you can go and enjoy the ride! These are the critical distances and angles you need to get right so that your transmission will shift properly and won't be damaged in short order. The brake pedal arm makes contact with the switch when it is all the way out.

Put on safety glasses and place a large drain pan under the transmission pan. This is a great transmission. One area of the Pontiac drivetrain that has advanced dramatically from yesteryear is the automatic transmission.

If it's worn enough you'll likely end up with a bit of a leak. Next is a wiring diagram by Peter Row that looks good to me. Again, just to let everyone know. So what happens is, it locks and unlocks, over and over again.

Some mounting tabs from different sources are now available for different carbs if you don't feel like doing this yourself. Locate a body ground under the vehicle and attach one end of the gauge wire to the body ground. Decide where the toggle switch will be located within the vehicle, and install it. This will kill them in hurry.

Return to Sumner's Home Page. Post a picture of what you have. Secure all gauge wire to the vehicle with zip ties to prevent any hanging wire.

700R4 with Electric Speedo

You should be able to find a driven gear housing at your local wrecking yard. Since writing this article, I've had a lot of inquiries about it. When installing the speedo gear and housing, how do I get the speedo gear housing to seat all the way without breaking anything as far as the gears? Are you are doing this mod for one of the reasons I did, to get rid of some of the wiring and vacuum hoses that came on our trucks.

700r4 Wiring Hook Up

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You don't need to have it, just something I wanted. Drive the vehicle onto car ramps, put it in park, and set the emergency brake. The pressure switch which needs to be changed is the center, dating rear one. Check this page out for details.

R4 Speedo ELECTRIC TO MECHANICAL Conversion Kit Convert Speedometer

On another Q-Jet I cut the bell crank on the throttle shaft above an existing mounting hole and below the center line of the shaft. You need to talk to a repairman or you might trying posting on Rodder's Roundtable Forum and post the question to Tony board name is Crosley. Now, dating site this is only a belief of mine.

  • The large surface areas go very quickly, and then you get mired in the trim and wood work.
  • You will need to install a female spade connector on the end of the black wire and run that wire to the new pressure switch photo B.
  • He works on these transmissions all the time and you can trust his answers.

700r4 electric to mechanical speedo conversion

Speedometer Gear Calculator

If they aren't right it is going to be hard to get the transmission to shift right under all load combinations and you sooner or later you will be fixing the transmission. If you don't use the engine ported vacuum switch then the wire from terminal D should be grounded at all times. This circuit controls everything via the ground side. These are slim so this is the reason I recommend to use a junkyard donor for the plug black arrow, photo D.

Thus, your stock speedometer works properly and has no idea that the cable is being spun by an electric motor instead of the transmission. The Cable X box comes equipped with a inch-long speedometer cable, so the box needs to be mounted within that distance from the instrument cluster. The part you're after is called a speedometer driven gear sleeve. You see the two terminals that you need to hook to. So, then they heard to leave it in drive D to keep it from doing this.

R4 Wiring Hook Up - Wiring Diagram Pictures

Modifying an older Pontiac is often like painting a house. Never attempt to drive a vehicle with low transmission fluid. Now to the outside wiring. You need the low-vac switch so the converter will unlock in low vacuum situations, such as going up hill and heavy throttle.

On one of the Q-jets I used there was a mounting hole at the right radius from the throttle shaft center line, but not at the right angle. If you're dealing with used parts, check the driven gear shaft for wear where the seal rides on it. This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. These photos were taken from a Chevy High Performance magazine article, not by me, well except for the last one, photo D, which I did take.

Take the time to set it up properly and it will last a long time. The Cable X comes with very easy to understand instructions, and there is no fear that you need an electronic engineering degree to make it work. People use these trucks to haul and tow. Add transmission fluid through the transmission fill tube, checking the fluid level every quart to prevent over filling.

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700R4 speedo hookup

700R4 Lock Up Kit

This eliminates the need for a manual switch. It only took a few minutes to do this on both of the carbs and needs to be done to make sure you don't ruin your transmission. Either way works the same. If the switch is not changed and wired properly, the converter will not lock up in fourth gear and possible trans and converter damage may occur, not counting your gas mileage will suffer.

The red wire from the solenoid will be run to the new single-pin connector photo C. They are to the best of my knowledge. There's also a small lip seal in the sleeve to seal it to the driven gear shaft.

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Speedometer Gear Calculator

Before you change any wiring, find the solenoid arrow, photo A and the two wires connected to it. This is why it is called a cancel switch, it cancels power when the pedal is pressed. There is a series of dip switches on the decoder board, and after a few simple calculations, such as the tire diameter and rear-end gearing, you set the internal calibration.

Allow as much fluid as possible to drain from the broken seal between the transmission and transmission pan. The cancel switch is mounted on a bracket under the dash. Press the transmission pan back onto the transmission and hand-tighten the bolts that secure the pan to the transmission.

If you do this mod, you change to the new pressure switch, depending on which type of solenoid you have, and leave the other switches in the valve body. For vacuum going to the low-vacuum switch you will need to use a manifold vacuum source. It isn't hard, so don't put it off. This red wire will also require a female spade connector.

Just offering some info to save some headaches. Just so you will know, most of the time the brake cancel switch is also a cancel switch for the cruise control, if you have cruise. The brake pedal depresses the switch, normally, and releases the switch when the brake is applied. When the solenoid is engaged, fluid is applied to the torque converter clutch, creating lockup and a direct link between the engine and transmission.

  1. Warnings Never turn on the torque converter lock-up at slow speeds, as this may damage your vehicle.
  2. Also, there are many different variations of valve body's with several different types of pressure switches and wiring schemes.
  3. Place the new transmission pan gasket over the transmission pan, aligning all holes.
  4. Once that is done, both the odometer and speedometer will read accurately, regardless of other modifications you make to the drivetrain.
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