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There are 2 types of control pushers. Unscrew it see if there is a small cartridge behind it. The cartridges go bad and when you press the button air will just come out a vent on the back of the hyd box.

Theres a couple different styles of the pan. Its hard to tell from your pics. The pigtail will separate and come off. On the trans you can see the bracket where the cab to trans cable meets you can disconnect that, remove pigtail connector and then you can drop the pan down and have more room to...

I have a pan casing if you can swap over your solenoids. Which you usually can. Will

What inspired your move? I have a big property in alabama. Been working towards building a house there.

Are you sure its not driveline related? Sometimes the throttle assembly on first gen trucks takes a bit more time to come back to rest position. I usually have to add better springs to the throttle return.

I would start by adding a large ground wire from the batts negative to the main frame rail. Then check the connections on the polarity box its under the spare tire.

Take it out and open it up. A wet wtec3 keypad can put the truck into drive on its own. I would replace it. There’s nothing special about the keypad its the same civilian wtec3 type.

You can also jump the large relay on the inside of the drivers frame rail to crank. Your issue sounds like a keypad or tcm issue. You can take the keypad out and open it up see if its wet.

There is a lockout solenoid for each function. The crane movement like that controlled by the box on the side of the crane with the cable coming out of it going across the boom. Its called load moment.

On the hyd manifold. There are control solenoids on the valves themselves and lockouts on the manifold body. There is a main feed behind the manifold with a lockout on it too. Did you try putting the outriggers down farther?

Yes. The outrigger down sensors werent working so the upper bank was in protection. You can unplug the lockout solenoids and the crane should work.

The pdp is the circuit board breaker relay panel on 3126 trucks. Feel it see if sockets are loose in the board. Visually inspect. A bad board usually causes odd intermittent issues. The wtec3 tcm is a common failure. Keypads go bad too water drips down onto them over time and gets in.

CT. A used replacement is 550 shipped

You can send to me to test it if you want. Wtec3 tcms are easy to kill when jump starting the truck unfortunately

Where are you located?

Sounds like a bad trans tcm its under the dash behind the passenger side kick panel. I have replacements. You can also check the circuit board power panel. Some used low lead solder and can develop bad solder joints.

I believe it goes over to the hand brake valve to the right of the steer wheel. I have put that mess back together before. Its doable just take it slow.

The big ground strip mounts on the back side of the pdp metal frame.

Some older cat motors need the injector/rack adjusted. They are just sluggish. Sometimes your throttle cable is out of adjustment and you are not getting full throttle.

Ok thank you. I may have found someone to get it during their pickup hours I will let you know Will