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I thought that the ohm resistance would change also. Does the voltage change on the YL/OR wire when the temp selector is powered up and the knob moved.

The A/C heater temperature control is nothing more than a potentiometer so if you're not seeing a variable voltage on the YL/OR wire with an open circuit between pin #3 and #4 then the temperature control is bad.

Here is the FSM diagram for the blend door. Dark blue (DB) wire is battery voltage, yellow/orange (YL/OR) wire is a variable voltage signal from the temp selector and the black/light green (BK/LG) wire is the ground. I don't think a 9 volt battery is going to power a 12 volt system. It would be best to see if you have truck battery voltage at the DB wire, changing voltage at the YL/OR wire and ohm test the BK/LG wire for continuity to ground.

No, it wasn't in the article but in the middle of page 2 of the original thread. All of those pictures are missing also.

I was able to insert the pictures from the Word document into both the article and forum where @W-T writeup is posted. I was unable to remove the grayed out areas where the original pictures were. Thank you @015point9 for the Word doc.

You may need a new APPS. Here is how to test it. If you need a new one get a Timbo; they are for sale in the Mopar1973Man store.

That data is still there. It's the pictures that are missing.

This is why I'm doing it. 1000 mile trip is a short one for me towing my 5er. This spring was a 3000 mile trip and the past 2 years I did a couple of 7,000 mile trips. I don't need any problems with the trans like I had with the VP44 in Riggins ID.

I think you might have a blend door problem.

If the compressor is cycling then you might still be low on the 134A. How much have you put in? From the 2ed generation cab interior article "Basic Air Condition Repair" The A/C system requires 32oz of 134A for a full charge. When using a single use 12oz can you’ll need 3 cans. After adding 2 cans (which is 24oz) weigh the third can on the kitchen scale and make note of the weight. When adding the remaining 8oz (2/3 of the can) check the weight of the can occasionally. When the can is 8oz lighter you’re done.

Finned deep aluminum pan.

You can count on it.

I've had problems on and off with this transmission for the past year. First it would either have a delayed or no 1-2, 2-3 shift which was fixed with a new governor solenoid and pressure transducer. Now the torque convertor lock up won't work due to a bad convertor clutch. If I replace just the torque convertor I still have a valve body that has insufficient stock line pressure along with it's other drawbacks and a transmission that has been overheated. I call John @Dynamic transmissions and ordered a "Stage 2" transmission with a low stall speed Georend torque convertor. I hope to have it in a week or two. I've got another 1000 mile camping trip planed for October 2ed which will give it a good test drive..

Check the automatic shutdown relay; it may be going bad. You can also give the wire harness the old tug and shake test with the engine running.

I'd work for good strong coffee

Why not just one T off the 1/2" line for the fuel pressure gauge then tap that smaller line with a T for the Quadzilla. This way you only need one snubber and needle valve to eliminate the hammer effect on the down stream gauges.

Welcome to the forum. You can get advice for all the trucks needs right here. A lot of people on this forum with a wide range of knowledge and are willing to share it.

Fuel Boss mounted. You would have to rip the bumper off to hit the fuel pump.

When you get that new mechanical fuel pump the electric pump can be plumbed into the system as a back up and used for priming like this.

Start with this:

They are disingenuous about the movement and use it as a vehicle to promote their political agenda. They want control over your daily life by imposing stricter and stricter regulations most of which have marginal environmental benefit but have a regressive effect on the economy which in turn costs individual house holds hundreds if not thousands of dollars and Pounds every year. These are environmentalists that are known as watermelons. They are green on the outside and red on the inside. This is where the communist party went with the fall of the USSR and now have infiltrate parts of world governments as well as the UN under the guise of climate change. Why else would the United Nations Climate Chief Christiana Figueres inform us "that Communist China has the right type of governmental system to fight Global Warming". They espouse that the world as we know it is coming to an end and tell us to drive less or drive and electric car, turn the thermostat down to 68° in the winter and up to 78° in the summer. Here in California they run ads telling us not to use electricity between the hours of 4pm and 9pm and with these new smart meters they charge a premium price if you do so for the cheaper rate you do you run your high demand appliances on off peak hours, this is control through the peruse. In California they also just signed into law that every new home built in the State is required to have solar panels installed, this is control by legislation. These are but two examples of the controls imposed on the citizens of this state with so many more that could fill a book. I'm sure you've seen your choices and freedoms slowly eroded over time in the name of environmentalism. These people and groups say do as I say and do not doubt for those that doubt and question are heretics an blasphemers and must be denounced and persecuted. Any one in the public eye or academe that dares speak out has aspersions cast upon them with their careers stifled or ruined. The major news organizations are complicit and work in unison to accomplish this nefarious deed. In 2008 President-elect Barack Obama said "the moment when the rise of the oceans began to slow and our planet began to heal." In 2015 on Earth Day President Obama said that "rising sea levels are putting a national treasure...at risk". He also said "So climate change can no longer be denied- or ignored" and "This is an issue that's bigger and longer-lasting than my presidency." Later that year Obama issued an executive order for the armed forces and various federal offices to consider rising sea levels in planning new federal work projects. Now for the classic do as I say and not as I do, ex- president Obama with his wife Michelle have purchased a $14.58 million 29 acre estate Edgartown, MA on the island of Martha's Vineyard. I guess the all and powerful Obama stopped the rise of the oceans and our planet is healing or is it 'Do as I say and not as I do'? Oh by the way the Obamas are doing ok for a couple that just 3 years ago was only making $400,000 a year.

Check the wires and connection from the trans to the PCM. When I was testing my trans with the trans unplugged from the PCM I would have the trans temp and O/D light on. If the connections are good then have the PCM tested.

Does terminal #87 of the ASD relay power up when cranking. Also check fuse #9 in the junction block. This fuse powers terminal #86 of the fuel pump relay and connector C1 terminal 2 at the PCM.