Dashboard instrument cluster panel and heat interference

Tiny
DUSTI JOSE SAVOK
  • MEMBER
  • 1999 FORD WINDSTAR
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 195,000 MILES
Why am I having problem that when my he is turned on my dashboard instrumental cluster panel goes haywire and when I hit the top of my dashboard it goes back to normal. However my RPM gauge always sits pointing down toward the bottom of my dashboard instrumental cluster panel. What could be the causes of this issue?
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Saturday, April 4th, 2020 AT 7:32 AM

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Tiny
KASEKENNY1
  • EXPERT
Okay. We have a few issues here and we actually need to separate them out onto new posts. Two reasons. First the other members or visitors to the site will not find each solution if they have the same issue under this type of heading. We want to try and keep them specific to one issue so they are easy to find. The other reason is Google and other search engines requires it to be this way so they can easily post the link when someone searches for something similar.

Let's talk the two that you mentioned in the heading. The cluster issue with the RPM gauge not operating is most likely a cluster issue. I attached the testing but unfortunately you are going to need a scan tool in order to confirm this. Basically you are going to hook up to the cluster and make sure that each gauge works properly. If it does then the PCM is not sending the signal to the tachometer for it to operate.

As for the panel vents not blowing properly, that is because of the actuator. I attached the process on how to replace this. Be careful with this because it is run off of vacuum so we need to check the vacuum line for leaks but I suspect the diagram inside is the issue which is why it responds by hitting the dash.

Let's get a new post started with the other issues. Let me know what you find with these ones on this post. Thanks
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Saturday, April 4th, 2020 AT 8:26 AM

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