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02 Ram 4x4 Speed Sensor Location

Old Jun 26, 2012 | 06:07 PM
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Default 02 Ram 4x4 Speed Sensor Location

Hey guys, new to the Ram world. My ABS light and Brake light are on and my speedo is gone. After some research i replaced the Speed sensor in the Differential and it didn't fix anything. My check engine light is also on and throws a P0500. I am in the process of wanting to change my other speed sensor and i am having trouble finding anything that shows me which sensor is the correct one on the transmission. Does anyone have a diagram that will show where that is or a picture? Any help locating this would be great.

And i apologize if this has been shown before but the only info i could find was for 2nd gen rams and it doesn't seem to be in the same spot.

Thanks
 
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Old Jun 26, 2012 | 07:16 PM
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Welcome to the site

Go to www.Autozone.com and enter your truck info and do a search for the speed sensor. It will give you both pics, prices and information on them
 
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Old Jun 26, 2012 | 08:02 PM
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I have been able to find the part on Autozone or Advanceautparts however i cannot find the sensor under the truck on the Transmission.

Any help locating it actually on the truck?
 
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Old Jun 27, 2012 | 12:36 PM
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After a lot of searching and talking to my dealer they helped me figure out where the sensors were.

Thanks for the help.
 
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Old Jun 27, 2012 | 05:05 PM
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The sensor is in the transfer case if I remember right, a white thread in sensor on the drivers side of the case.
 
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Old Jun 28, 2012 | 08:37 AM
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did u get the prob fixed because i have the same issue
 
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Old Jun 28, 2012 | 08:40 AM
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the speed sensor and the ABS sensor live in the rear axle.. they are tone ring actuated..

there is another, redundant speed sensor in the trans, but it is not a player in transmitting anything to you, the operator.. it's a puzzle as to why it's there..

your issue(s) are on the drivers side of the rear axle.. they are pretty obvious when you know where to look..

good luck!!
 
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Old Jun 29, 2012 | 08:56 AM
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I finally got around to replacing the speed sensors, output and input, but it didnt solve my issue. I am starting to think its a bad ground or broken wire.

I finally decided to drop it off at the dealer and have them take a crack at it. however my problems have grown. As i was driving the truck to the dealer, 19 miles away, the truck decided to quit on me twice. The truck would start right back up but both times when coming to a stop sign it just seem to quit.

So now my problems are as follows:

No Speedo
ABS Light
Brake Light
Air Bag Light
Check Engine light
and Randomly quiting

Once i get the diagnosis from the shop i will put it here as to hopefully give some more insight.
 
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Old Jun 29, 2012 | 09:06 AM
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my friend, I hate to break bad news- but... grrrr..

sounds like your PCM has soiled the sheets...

but try this first:

open your hood, disconnect negative battery cable.. locate your PCM (passenger firewall), make sure the connections are clean, and solid.. check your grounding straps..

reconnect battery, jump in it.. hold tripometer button and turn ignition on (don't start).. release button.. watch for codes.. write them down.. this is a Chassis Code Test.. (c-code).. look for faults on the same circuit.. break out a wiring diagram, and look for common grounds..

if it's not your PCM, it's likely a ground that's broken.. a simple SIMPLE fix..

edited to add:

it turning off is indicative of loss of battery connectivity- which is in itself a ground.. or, it could be a failing CKPS.. make certain you have good integrity on the battery connections- take off posts, brush them clean.. brush the terminals.. apply petrolium jelly (good ol' vasoline), and you'll always have a good connection that won't corrode..

on thinking about this momentarily, I bet it's a problem at your battery..
 

Last edited by drewactual; Jun 29, 2012 at 09:10 AM.
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Old Jun 29, 2012 | 04:56 PM
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Originally Posted by drewactual
the speed sensor and the ABS sensor live in the rear axle.. they are tone ring actuated..

there is another, redundant speed sensor in the trans, but it is not a player in transmitting anything to you, the operator.. it's a puzzle as to why it's there..

your issue(s) are on the drivers side of the rear axle.. they are pretty obvious when you know where to look..

good luck!!
I wonder if the one in the trans is for the computer to have 2 inputs for cruise control? When I took it to the dealer to get the quick learn done I had them fix the speedo for the Dana. They ****ed it up and my cruise quit working. After I got that DRBIII I fixed my speedo and lo and behold my cruise works again.
 
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