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Crane is working! Thanks for the help guys! Figured out I wasn’t getting enough pressure put down by the outriggers to activate the proximity sensors. One of them was missing the pad and wasn’t able to put down enough pressure. Put a block of wood under it and everything works!

Come to think of it seems like one of them on the outrigger was smashed if memory serves me right. Can those be bypassed for testing purposes?

Will do, thanks Coffey!

Not a bad idea Coffey! Were it my personal machine I would probably do that. However, being a customer's machine and they have a multitude of different people that might be running it my guess is they'll probably want it to work properly to avoid liability issues. Not to mention it might come...

Alright, was able to make it out to the truck again and test the controls with both outriggers all the way down. Still no response from my upper four controls. Is this circuit activated by the hydraulic controls lockout relay looking thing in the main power box?

Awesome!

Thanks for the info simp5782, I've started my own mobile repair business after turning wrenches for John Deere dealerships for 6 years. One of my customers has six of these trucks, and nobody else wants to touch them. Been interesting figuring out the various systems, but this place has been a...

Going to go test it out! Man I'm going to feel like an idiot if it works!

I hope I am getting this in the right place! I am working on a M1083 with a Grove crane on the back for a customer of mine. Model: FMTV-C Grove America: 12361 MFR Part No: 1-195-0-00512 Serial No:83513 Built the year after I was born I just realized. 1992 Haha I have been following...

Just had the EMI Filter fail on my truck, couldn't figure out what was going on until I came across this thread. Thanks guys! Here was my diagnosis process. Diagnosis I used: - Placed inductive voltmeter on the injector wiring harness at the front corner of the valve cover and did not have...

Got mine going, thanks to another thread on here. You guys rock! Ended up being a failed EMI Filter not allowing power to the ECM. (EMI Filter and ECU are on left side bolted to the rear of the block below the fuel filters. EMI Filter is the smaller black box with two, threaded, two pin...

What ended up being the problem if you don't mind me asking? Have a M1083 with 3126 that batteries died on and it sat for a while now it is a crank/no start. Thinking I may have a failed ECU, but exhausting all other options before I go there. Thanks!