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I’m in for 6 kits

Back when I did it we didn’t have all this newer information and choices. I actually just recently bought the cables and program to make changes to the CTIS ECU and trying to decide what my optimal pressures should be programmed to for each setting. Weighing 27,000 pounds.

That switch switches between the original pressure sensor and the after market sensor that tricks the system into thinking it at original pressure when in reality it’s about 20 psi higher. No programming required.

Are referring to the my picture with the high low sticker I made?

Shout out to RONMAR for his posting of wire schematics and excellent advice and knowledge.

Well that project is finished. It was actually pretty straight forward after identifying the wires it was just a matter of splicing the four wires into a longer cable to the switch.

Thanks ronmar I dug in this afternoon and found an empty plug behind the dash panel and it had the 1911 switch to 1911A and the 3020 switch to 1911B wires going to it. I jumpered them out and successfully got the CTIS OFF to illuminate and the CTIS turned on. Also take note there is another two...

So do you agree I could just cut the power wire to pin H on the CTIS ECU and add a switch then locate the “CTIS Off” lights wire and so it illuminates when it’s off?

Mine is a 2003 M1078A1 and I’ve never found a power switch for the CTIS ECU.

I typically unplug my ECU when I'm not using the CTIS (in hopes to prolong its lifespan) but I hate the look of it and was going to just cut the power wire going to the ECU and install a switch so I can just turn it on or off when needed. Would there be any problem or reason I shouldn't do this...