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We are shipping ours to you for autopsy—

And it is still possible that resistor and the R13 under the PDP are both blown which in our experience lit the ABS dash light. When you connect to the diagnostic port does J1939 and J1703 both connect and read? Resistor plug under the PDP Pulled the caps off two burnt out resistors...

Here is a photo of the area with some labeling and another of the box the jumper cuts out of the ECM circuit—

The ABS cycles upon power up. When we were having trouble with the J1939 resistors at power up the ABS light would come on (as it always does), go off while checking the four spots around the truck, (rear, front, rear, front) and then come back on and stay on. Our J1939 resistors were burning...

Our 2003 M1078A1 also looks like @GeneralDisorder And doing the test the rear absolutely vents as pressing the pedal, the front upon pedal release. This is good to know, thanks @Ronmar

Have you checked the flasher relay (PDP) and the brake light switch (pedal)? Schematics are at the back of certain TM's—

Photos and details on your bushings/bolts would be cool. Please share—

Here's where we started our swap to a 24v 200a alternator on a modified mount, pulled the LBCD and added a Victron 24/12v 70a converter at the passenger foot kick. m1078a1 cab and chassis electrical upgrades @MatthewWBailey swapped using a pad mount alternator. We still have a working 24/12v...

Welcome! Here on the forum you will likely find what you need for this and other issues that may arise. First you may want to look in the TM section: Forums/Technical Manuals/FMTV> While not a TM for the M1084, the M1083 (and other A0 FMTV's) have a similar light switch. The...

Exactly. It surprises me still when folks ask me that. I need to make up a better response—

Searching for "1" at NAPA parts online still brings up the master cylinder rebuild kit—

Our local NAPA folks are great at helping us find the right bits and pieces and making our hoses, too—

Is this the deprecated EMI/RFI filter box? It was at the rear of our ECM when we pulled to send to you. It wasn't connected to anything at the time, just hanging out—

I have been looking at this as well. Also do not care for the location except that when driving off road we always protect the middle, right? Cheaper and easier things to fix are typically near the edges, expensive difficult to fix things in the middle. Tires over rocks, not avoiding them...

We often find larger grade 8's at Tractor Supply on our travels—

Longer than my truck. When I got her she wouldn't a few hours. Now if daily driving I don't hear the alarm. Three weeks of sitting she down to 60#—

TM 9-2320-312-24-2 is where? That doesn't appear to be a link—

How long should an air system hold up 95# when sitting?

Now you all have me wondering. Our low air alarm goes on and off at about 95#. I typically still have 65# when I fire her up. I usually hold my thumb over the alarm if sitting in the cab during warm up. New goal — rarely if ever hear the low air warning—

Congratulations @Migginsbros! What a beautiful group of rigs you have there—