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I have one, though I should have followed your advice and just gotten common ATO blade fuses. These weren't expensive, though will certainly be more time consuming to check—

@GeneralDisorder and @Ronmar both shared solid suggestions to clean our PDP and update the circuit breakers and relays. We found a mix of their suggestions and other sources to clean and replace our aging electrical bits and pieces. We used compressed air, a small paint brush, and a micro...

What a great way to start. On my first drive (M1078A1: three days from Missouri to Texas) I learned where most the obnoxious noises come from: low air warning, missing bushing on the cab lock, the cooling fan engaged, gear lash from the wheel hubs, squeaking rubber in cab suspension; and got...

Moving the spare, reconfiguring the intake, moving the ABS and LDBC (if installed), relocating the air over hydraulic controls and toolbox gains about 14". I agree on limiting the overhang to the least you can. Just the other day my wife and I watched from 4 fuel pumps away as a guy pulled...

I enjoyed meeting Colt this weekend, and picked up some of his CTIS hub rebuild kits, too. The drive down and back was a breeze. With the ECO HUBS she cruises at 60, still looking for a plug and play tachometer, though i'd guess right about 1,600 rpm in 6th gear—

My mistake. You stated earlier that you "disconnected the M wire only". So which are providing power at the ECU now?

I am not sure about whether the engine or transmission generates the most heat. Though I read here (on the forum) that A0 units had the transmission cooling loop routed in to the cooling system differently than later units. I have wondered if there is a convenient port to add a temp sensor to...

Do you have a photo of the unit number? Or can confirm only 'H' is supplying?

Sure. Wife is out of town this weekend, where shall we meet? Hondo would be good. I have a client developing a project in Natalia and visiting the site would be good for me, too—

First test drive with the ECO HUBS went fabulously. Much quieter, smoother, cooler (hovered near 200, fan did not kick on), and she cruises at 60 like she is walking diligently. When the transmission hits that next gear at 60+ she leaps forward like she wants to run. Thank you @Xengineguy...

The way Congress is going our military is going to need every spare part and truck they can hold on to—

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...