Blower problems of the 1999 Jeep Grand Cherokee - part 2

The climate control on my 1999 Jeep Grand Cherokee will randomly create loud creaking and crunching noises from under the dash and will cause a sudden drastic temperature change. This causes the defroster not to operate correctly and the windows to instantly fog up. This first occurred in October of 2005 and has happened over a dozen times reducing my visibility sometimes to nothing at all. The dealer cannot find any problems and will not investigate any further.

My vehicle has the exact same problem as another vehicle manufactured by the same company (daimler Chrysler), that vehicle is a 2002 Dodge ram, the NHTSA campaign id number is 03v078000. On my vehicle the connection for the blower motor controller is undersized, with heat from the electrical current the connector loosens and causes the blower motor to cut out, it also causes melting to the blower motor controller itself and the electrical connections. For the mentioned recall daimler Chrysler installs a wiring harness overlay, the solution to my problem is the same, they make a wiring harness overlay, the problem however is that the heat from the electrical current damages the blower motor controllers housing and electrical connections, which means that this part needs to be replaced as well in order to correct the problem. The consequences to this failure is that the blower motor becomes inoperable and during times when the defrost is necessary such as cold weather, the blower motor can cut out and reduce visibility. If you read my complaint you'll see it's the exact same problem as the recall I've mentioned. I have researched and investigated this situation thoroughly and am sure it's the same. I only found out about the other recall because I was explaining the problem to my brother who owns a 2002 Dodge ram and he told me it sounded exactly the same as his problem that was a recall, so you can see that it clearly is the same problem.

1999 Jeep Grand Cherokee limited heater doesn't work. No heat on either side whatsoever. 116k miles and from the way the seller is responding to my query about it is that its been that way for a while now. Have heard that possibly the control module(relay) melts as well which is a reason as to why I smell a faint burnt plastic smell when I turn the air on whether it be heater or a/c it smells.

Both blend doors and/or hvac door stops have gone out. No, heat which means no window defrosting.

The automatic hvac system on my Jeep Grand Cherokee has broken. The "blend doors" that control hot vs. Cold air do not function properly. As a result, cold air is blown when hot air is required. This is a known issue that thousands of owners are experiencing on their wj limiteds and overland editions. This can create a dangerous situation by not blowing hot air required to defog the windshield. The issue only occurs on models equipped with the automatic hvac system.