Speed sensor do i need to hook up this wire and what does it do

Was the speed sensor the only part he changed? Reset the car by unplugging the battery for a few minutes, or you may need to hook a decent diagnostic scanner to it(or get a friend/family member(or any local parts store) to hook up the diagnostic scanner and check it out. Don't worry it's something simple, get your husband to reset the battery and triple check any/all wiring connections related to the sensor he replaced & anything else he may have had to mess with. Seriously, it's something easy, your car is just fine!

speed sensor is what monitors speed & milage newer cars are electric older cars are cable operated check to see if wires are broken or plug is pulled off if not it probably needs replacing which is easy to do take bolt out along with clamp twist &pull sensor out &put new one in place put bolt &clamp back on reconnect wire plug & you are done hope this helps

remove sensor and look into hole, rotate wheel while watching speed ring for distortion. another way is to hook DVOM to wires and check for hrtz signal

Hello Scurry.

When this happens the problem usually is one of the wheel speed sensors, connectors or the harness near the sensor.
ABS and traction control use the wheel speed sensors for information.
The system will need to be scanned by a tool capable of reading sensor output or the codes that will be stored due to the malfunction to pinpoint which one is the offender. Otherwise you will need to check each one on all 4 wheels.
You can check the resistance value at each sensor with a multimeter. Each one should read close to 1000 ohms. If they read OK then check the harness for open circuit, the wires often break near the plug that hooks to the sensor lead on the front sensors.
If you are handy with wiring repair you can cut out the bad section and resolder in a new wire.

If you need further assistance with this, leave me a comment.
Thank you for using FixYa.
KL

NO, IT'S NOT THE TRANSMISSION! SOUNDS LIKE A SPEEDOMETER PROBLEM! THAT WOULD BE ONE OF THREE THINGS! EITHER THE SPEEDOMETER, THE CABLE, OR THE SPEED SENSOR! THE SPEED SENSOR WILL USUALLY GIVE YOU A P0500 CODE ON AN OBD-II CODE READER! THE SPEED SENSOR IS ELECTRONIC SPEED CONTROL LOCATED ON THE TRANSMISSION! SOME HAVE A SPEEDOMETER CABLE HOOKED TO THEM, AND SOME JUST HAVE A 2 WIRE PLUG THAT HOOKS TO IT!

It's very easy on the pcm you will find a blue/orange wire. That's you hook up wire(vss). There are two set of wires off the meter bracket one comes with three wires and the other one with two. The one with 3 one goes to battery(red) ground(black) and top light(green or white). The other set of wires only the white one is connected to the vss.(vehicle speed sensor)

Your "speed sensor" is located on the transmissions tailshaft. It's possible the wire clip is detached, but usually the issue is a bad "speed sensor". There are a few different types of speed sensor for your vehicle year; depends on 2wd, 4wd, and vin#. It should be a easy fix, but speed sensors can cost a few bucks. I hope this helps you, and I wish you luck on your repair.

I don't see many bad sensors I would co to an auto zone read code if its a vss ck connevtors & wires at sensor does the trns shift if not ck the purpple & green wires

The older vehicles have a cable that hook up to left side of tranny. New vehicles have the speed sensor on the wheels and run to ECU then to speedometer