If your 1995 Dodge Caravan experiences issues with the speedometer intermittently not working when the vehicle heats up in hot weather, but operates fine during winter, there are a few potential causes to consider:
Faulty Vehicle Speed Sensor (VSS): The Vehicle Speed Sensor is responsible for providing the speed data to the speedometer. When it becomes overheated, it may malfunction and cause intermittent speedometer failures. A failing VSS might be more sensitive to heat, leading to the issue occurring primarily in hot weather.
Wiring or Connector Problem: Heat can cause electrical connections to expand and contract, potentially resulting in intermittent connections. It's possible that there is a loose or corroded connection related to the speedometer system that is affected by temperature changes.
Instrument Cluster Issue: The speedometer itself or the circuitry within the instrument cluster could be the source of the problem. Over time, internal components may become more sensitive to heat, causing intermittent failures.
This sounds like two separate problems. Lets deal with the heating up first then ask the next question in a new post. Do you hear the fans running when the engine is hot?
Here is a guide that can get us started on the right foot.
https://www.2carpros.com/articles/engine-overheating-or-running-hot
Please run some tests and get back to us so we can continue helping you.
SPONSORED LINKS
Saturday, May 27th, 2017 AT 12:52 PM
