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Yea at your weight, your cable was slack and should have been full on and would have been delivering full braking if not blocked. I wonder how much suspension unload and weight shift you get during heavy breaking? Havn't panic stopped one of these heavy yet:) With a working valve, If you get...

Probably not at that weight as it should have been at or near 1:1 output anyway, but i would still skid pad it at the first opportunity just to make sure it behaves OK. I have overdone it before and too much rear brake is definitely no fun when it gets slippery. I mean I like drifting and all...

yep, with the proportioner blocked, you only had front brakes, and the pacbrake… i would definitely test it close to home when it gets slippery out before I deliberately took it too far out into those conditions…

sounds like it was not working right. You can bench test it. Regulated pressure source on the drivers side port, say 80-100PSI, and a pressure gauge on the passenger side port. Lever against the up stop, output pressure should = input pressure, (1:1), just like your pipe fitting. As you...

What truck is this on? the normal load sense valve only has an input(drivers side) and an output(pax side) port. On the A0 they Td the input so it also fed I think, the trailer brake protection valve and the anti compound valve. The output on the passenger side feeds the brake relay valve…

Well ABS does perform the function of the load sense valve by helping to control/prevent lockup on a light rear end. These valves are 1/6 pressure input to output when lever pulled all the way down(empty bed/light rear end) and 1:1 when the suspension is compressed enough to allow the lever to...

Yes.

Over cooling is why I am guessing they incorporated the thermostatic bypass. When cold, it just doesn’t send any heat to the air/oil cooler. the oil to coolant heat exchanger works both ways. On the A0, they sent all the bypass coolant to the heat exchanger. On a cool day, the engine will...

Yea the only need for the aux cooler is to dissipate the heat created by the load applied when towing an attached semi trailer In a very hot environment… IE: far more load than the 3 axles could ever bear by themselves… so unless you are towing VERY heavy across a desert, i don’t think you...

Not if you unplug the controller… you could screw a plain bolt into the hollow wheel stud to keep crap out of it…

Well in the end it is just a hub and wheel. The wheel of course needs the one larger lug hole to fit over the hollow air wheel stud to be mounted. Beyond that a Schrader valve core in the wheel stem to hold the air in the tire?

THe larger one with the single wire connector is the gauge sender. The smaller 15PSI switch is metal and plastic should have the name "Nason" on a sticker. it has a 2 wire connector(one to ground, one up to the dash)...

On the A0/early A1, There is a gauge sending unit for the gauge and a switch that controls the idiot light and alternator @15PSI. the A1R uses bussed gauges that mostly display ECU sensor data... On the older electric gauges, Jumping around could be a loose connection. All of these gauges are...

Yea, thats the radio power cable. the single solenoids are modular so you can stack as many as you want together. I got another one for an air horn but want to build a new base before I fit that one to the group…

The new one i show in the video will NOT stack with the old ones on the truck, but they do stack with each other. Automation direct sells the stack kit(hardware and an o-ring) listed under accessories when you look up the valve, ~$3. I Just stacked a new solenoid onto the one i showed in the...

If you have 2 valves in there, you have a 6X truck? That second solenoid is for the power divider lock-up in the middle axle when you enter mode...

Hmmm. So when you turn off the ignition sw(or the ECU calls for fan @205F), you should get a woosh from under the passenger dash as the fan solenoid valve de-energizes and releases the fan clutch air and locks up the fan clutch. If this isn’t happening with power off, and the fan clutch only...

If this is an A0 truck, I suspect your air tanks are not plumbed properly. Every one I have encountered so far has been wrong. They fixed it on the A1 trucks. The wet tank is supposed to be inline after the air dryer to act as another dryer/filter stage like its name implies. In order for...

This is starting to look like one of those “Hold my beer” moments:)

yep, or a VFD with more man-hours than budget... lotsa ways to fry this fish:)