* Most common location (automatic transmission): On the output shaft of the transmission. You'll likely find it near the rear of the transmission, often mounted on the side. It might be a small sensor with a single wire connected to it.
* Manual transmission: The location varies considerably depending on the specific transmission. It's usually somewhere on the transmission case, but consulting a repair manual specific to your transmission is essential.
* 4x4 models: There might be a second speed sensor located in the transfer case, which feeds information to the 4x4 system. This sensor is less likely to affect speedometer function.
To find it with certainty:
1. Consult a repair manual: A Chilton's or Haynes manual specific to your 1998 Dodge Ram model (including engine and transmission type) is your best bet. These manuals provide diagrams and precise locations.
2. Use a parts diagram: Many online auto parts stores (like AutoZone, Advance Auto Parts, etc.) allow you to select your vehicle's year, make, model, and engine and then view parts diagrams. This can show you the sensor's location.
3. Search online forums: Dodge Ram forums (like RamForum.com) often have threads discussing similar issues and members might have pictures of the sensor's location on their trucks.
Without knowing the exact transmission type (automatic or manual) and drivetrain (4x2 or 4x4) of your specific 1998 Dodge Ram, it's impossible to pinpoint the location more accurately. Using a repair manual is crucial for accurate identification.
