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I'm not sure how it would/could be installed, as it would need wiring and probably a new controller to take the additional sensor input (unless it just tied in through the compressor clutch coil circuit?). I will check on it and see. As far as I know, the only open recall on my truck is the...

I got mine put all back together a couple of weeks ago; only ran around town locally a few times with it so too soon to tell, but has not froze up yet. For anyone who pulls their dash our to fix the freezing issues and also has the 500 piece Dodge OEM crappy dash, the replacement from LMC truck...

Yeah, if it still freezes up after all this, I'm going to loose my ****. I like the DR body trucks also, but I feel the early ones like mine had some serious shortcomings. I have upgraded a ton of parts, 2009 steering box and linkages, free spin hub conversion, single piece aluminum rear...

I bought the truck from the original owner 5-6 years ago, and I asked him if there was anything wrong with the truck, he said that the AC would ice up sometimes. I don't think he ever had it looked at, and it didn't look like it had ever been apart (I'm really particular about fastener location).

The top sensor in the middle picture is the '03 one. The other two pictures are of the '02 sensors tags.

Chris, I'm thinking about installing the spare thermistor at the same distance from the top/bottom, but closer to the HP inlet pipe. I would think that the EVAP core would be coldest near the inlet? Any thoughts? Ideally, in hindsight, I would have drilled a small hole in the heater box and...

Controller part number is 55056323AC

I tested the harnesses and took the controller apart today. Mine is completely different than the pictures of the one Chris provided. All of the solder pins looked good, but the way it is built is totally different. The speed switch for the fan is actually in the back half of the case and...

CM, Yeah, I was going to install the other sensor as a backup next to the original one, that way if there was a failure I would only need to gain access to the thermistor plug to use the backup. I wouldn't run them in parallel, a would think that would show the controller 1/2 of the resistance...

Chris, do you think it is worth while to install the spare sensor as a backup in the box, or do you feel that is a wasted redundancy?

Chris, Thank you for the help and knowledge that you have brought to this discussion. Where the sensor was located appears to be almost as far away from the incoming refrigerant as possible, so I can see that being the cause of my problems. I will try to test harnesses tonight, but I'm a little...

I removed the dash and box out of the junkyard truck and got the thermistor. The junkyard truck was a 2002 per the VIN plate, my truck is a 2003 (Feb if I remember correctly). From here on out I will refer to the sensors as 02 and 03. I tested two sensors at the same time with the same meter...

Chris, I have been thinking about the function of the evap probe, and had a quick question about it. The fact that my AC works but ices up, and correct me if I'm wrong, would indicate that the probe functions, correct? The possible points of failure for icing up would be: 1. The probe is...

Received the Mopar evap and heater cores today. To confirm what Chris stated previously, OEM EVAP core does not come with a probe; and to make it even better, it's made in F****** China. Now trying to decide if my old USA made OEM components are better to leave in or replace with these Chinese...

Thanks for the insight Chris. I ordered the OEM EVAP core and heater core (from a well known "rock" of an online retailer) for less than half what the local dealer wanted. For something like this I wouldn't use aftermarket parts unless it was a last resort. I have noted the test procedure you...

So my 2003 with dual zone controls is tore down to the box at this point; but I haven't tested anything yet. The reason is that I ordered MOPAR 68234947AA (evap core) and a new heater core. The Evap core shows that it includes the probe in the pictures (one dealer stated that it included it as...

I'm planning on testing some of the components in the HVAC system on my truck today (hopefully). Finally got it in the shop and have a bunch of other stuff to do to it along with the freezing issue.

Chris, That sounds good. If another sensor didn't match physically but did functionally; is there any reason that a mount couldn't be made for the thermistor if it was too long, etc?

Okay, I will try that first before I tear anything apart. I will probably ping you with questions when I get to that, but I will read back through this thread first. Thank you

Christopher, I did read through the entire thread, and appreciate all the information it provided. The truck that I'm working on was purchased from the original owner (and he didn't add or modify anything on the truck). I should have asked more questions when I bought it when he casually...