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I don't know for sure: I gleen from several sources, including @Ronmar and @GeneralDisorder, these pieces: 1— CAT 3116 lacks electronic controls and data the CAT 3126 and CAT C7 engines have; 2— units with CAT 3116 use analog pulse per mile (PPM) speed signal, while CAT3126 and CAT C7 use a...

I doubt the overspeed as @Ronmar stated, because of the lack of electronic sensors on the A0. All I am suggesting is based on @GeneralDisorder statement that many programs exist, and I read, residing in the newer ECU's; that by changing the way power and ground are applied may access other...

When I last spoke with @Plasa an Arduino prototype $320 including shipping to the US–

After replacing our battery disconnect relay, installed the new Dana ECU made for an M939A. If I am reading the M939 and M1078 schematics right our new ECU can receive power or ground on H and X, or V, F, and Z. Our M1078A1 is providing power on H and M (though M is not used on the M939), so...

Got new battery disconnect relay installed; problem solved. Thank you all for the guidance—

Good advice. I'll order the seals and add to my cab and chassis plan. Thank you—

I have been pondering this since watching @Xengineguy installation video. As it is we have gear oil/brake cleaner contamination in the rears and gear/oil/brake cleaner/grease in the fronts. What is the proper way to clean it?

Interestingly, in the 1,500 miles or so I have driven, her by the back of hand test, the front hubs have felt cooler than the rears—

After I posted this while finishing the front passenger hub up I had the same thought: someone packed the bearings. I didn't pull the bearings, though I blew through my metal cleaner stash until the bearings ran out clean. I'll drop the center Monday, refill all three and redo in 250 - 500...

Adding ECO HUBS to our M1078 this weekend is going well except the front axle gear oil is clotted. Not cloudy or milky, black as midnight, clots when cleaning out the wheel hub with metal cleaner. It was difficult to clean out the wheel housings sufficiently. Planning to drop all the gear oil...

While I await the arrival of the new battery disconnect relay I took a look at the existing one. It looks almost as old as I am. Though I realised the new one is expecting a plug, not individual wires. Anyone know which plug?

I can be really slow. Are these just fancy ATC (breakers) fuses?

I have ordered hoses from CAT for years, though I use that little tag they put on there. I looked at this site this morning and said a similar thing: How am I going to know how to order the right hose–

Water is the universal solvent—

I am so grateful you all put up with noobs like myself. ABS (I noticed there is no relay in the ABS slot at the PDP, best to address) is labeled M-43 Detector and Decontamination Ap is air-over-hydraulic. Brilliant. Thank you both, need educating—

99%? I have 91% isopropyl and denatured alcohols (along with a nice wine and good scotch) though I know I don't have 99% isopropyl—

Do I need to keep these installed and connected? I doubt if they sense something I have the 'other' end installed to let me know—

Good to know. With my old eyes I need magnification to read the newspaper—

Added to my list—

Green—