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@Mathew OK, just realized you will need to add a diode to the circuit at the alternator light connection to force it to only be a sync/path to ground, and keep it from sending power back along that line to the indicator panel when it is acting as a source...

Thats how i read that as well, when the alt is at proper output, that terminal can provide source to energize a relay. When it drops below set voltage, it becomes a drain, deenergizing the relay and pulling current thru the fault light...

Uuuh thats not what I see… 2/3 of the indicator lights are looking for a path to ground to activate. The other 1/3 are looking for a voltage signal input to activate. The charge indicator, DS 27 is in the ground path indication group. Cb76 feeds power to the display which passes thru a...

I have the Blue Sea 1732 and shunt and a 1733 voltmeter for a solar rig, and don’t have a DC capable clamp-on:) a DC clamp should work fine and would be easier, but the shunt was simple enough General said the C7 ECU was good for 1.1A, not sure what the MMDC/gauges pull, but i suspect not a...

Thats where the voltage drop test comes in handy. Visuals are great, but voltage drop under load will tell you things you cant see about how well the circuit is performing while passing current… https://www.delcoremy.com/support/tech-tip-videos?page=5

Ok, got around to load testing the 24v on my A0 this afternoon. 24v only feed to the cab with a blue sea amp meter and 100A shunt in that line. ignition on 6A start and idle still 6A. About the time the air tanks went over 66PSI and the buzzer stopped, it dropped to 3A. I dumped some air and...

A1 panel has 4 bolts in the PDP. 12 and 24v battery and 12 and 24v ign. With the battery disconnect switch on, the 12 and 24 bolts should have 12 and 24. When you turn on the ignition switch, the 12 and 24 from the battery bolts should be connected to the 12 and 24 ignition bolts by the two...

The delco wont require a voltage sense relay, the reg controls when it or the light is activated, so a plain simple relay(low wattage/less than 1A current draw) is all that is required. Have to look at the A1/lbcd charge light circuit, to see if it is a high side or low side control... i...

Very nice!

I suspect it will run a tenth or so less than 28 at the batts(rounds to 14/28:)). Thats the beauty of remote sense, it takes the line resistance/voltage drop at the batteries when feeding current to the them, out of the equation by sensing the batt voltage on a separate line without any current...

The normal regulated voltage for 24v alts is typically ~27.5-27.7V. that works out to 13.75 per battery, which is a high float charge voltage for wet cells and a little friendlier on outgassing the batteries on vehicles that run long hours on the highway. Our 28v alts are a little hot for...

100w is 7.7A all by itself:)

Oh yea, LEDs would be a fraction of the load… I totaled up wattage once and came up ~27A for all the lighting on a 1078. Its over 30A on a 1079…

yep, lead acid capacity drops off steeply with temp, but not as steeply as lithium:) At 20F a lead/acid only has ~75% of its rated capacity, and that is its current rated capacity IF fully charged. An older battery will have a lower capacity to begin with. if you were going to make a habit...

Springs, plural. There are 2 on the governor end, one inside the other… ideally, when you use one of these lubricators, when y0u inject on one end, you should see it come out on the other. You can also flush dirt and contaminates out this way. Several good dry lubricants out there as...

Cat liscensed HEUI to ford for the powerstroke...

I played with this on a Ford power-stroke. Same basic components. it has a sensor that reads HEUI pressure and a pressure regulating solenoid valve PRV, that the ECU modulates to vent/regulate hydraulic pressure to maintain pressure according to program. An issue with the earlier powerstroke...

Drivetrain 101 for a 4 wheeled vehicle: 2WD = 1 driven wheel out of 2, with a 50/50 torque split left-right In that driven axle. Either wheel slipping will allow all the torque to escape there. AWD = 1 driven wheel out of 4. Torque is biased fore-aft 30/70, and 50/50 left to right in each...

Well it is here in the tech manual section… in the back of tech manuals 20-1.pdf thru 20-5.pdf you will find the wiring diagrams https://www.steelsoldiers.com/threads/m1078-tms.118919/