I have a T190 bobcat skid steer. After running for 5 minutes or so the extremely low oil pressure light come on and machine shuts down. I can start it back up and it will repeat. I changed low oil pressure sensor and changed the oil. But still does the same as before. Please help!!

Question edited for clarity.

If it was running before with no problems, I switch or controller is unlikely to have suddenly failed. The most likely answer is the the mouse wiring repair has caused the fault, bad connection missed connection, misplaced connection.

Wiring diagrams.

https://www.google.com/search?q=bobcat+s185+wiring+diagram

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How to Find the Year on a Bobcat Skid Steer

1. Locate the VIN or serial number on your Bobcat. ...
2. Look through the Owner's Manual for the VIN/serial number. ...
3. Write down all of the numbers that appear in the Owner's Manual or on the skid steer.
4. Call the Bobcat Marketing Service Department.

First check oil,oil filter could be clogged,maybe change oil and filter,oil pump could be bad.

Download Link:

http://www.repair-guidebook.com/bobcat-753-skid-steer-loader-service-repair-manual-download

Connect mechanical oil pressure gauge to check real oil pressure. If OK, replace old pressure sender unit. If actually low, are there leaks? Engine may need bearings replaced, or could be incorrect oil or oil diluted by excessive fuel/leaky injectors.

On my Bobcat it's low hyd fluid.

Bobcat 600, 600-D, 610, 611 Skid Steer Solution Handbook Download! br This Bobcat 600, 600-D, 610, 611 handbook is a detailed data and it is cited clear detailed instructions. Bobcat, Melroe, Clark, Ingersoll Rand 600, 600-D, 610, 611 Skid Steer Loader Repair Shop Repair Service Manual.

Bobcat 600, 600-D, 610, 611 Skid Steer Service Workshop Manual

Oil cooler on that machine is for hydraulic oil. Is your fault for engine oil psi or charge psi? Charge psi unlocks brakes. Premature engine oil breaking down check for fuel in engine oil through lift pump or injection pump.