1979 HJ45 H diesel component identification help (1 Viewer)

[sandcruiser90]

Like help identifying these.

This is just behind headache rack. What plugs in here?

This one on block. Near oil dipstick. Is it a glow plug sensor?

This says flasher. Under dash. Not hooked up. My turn signals work. What is it for?

 

[nogo]

This one on block. Near oil dipstick. Is it a glow plug sensor?

That's the oil pressure sensor/over-ride I mentioned in your other thread.

 

[nogo]

This says flasher. Under dash. Not hooked up. My turn signals work. What is it for?

Hazard lights......And the other plug has been installed by a previous owner.

 

[Michael B]

I think the first item is an add from the PO. I don't believe it is stock. The last unit should be the turn signal relay. If your signals work then someone has replaced it. Look above the pedals for something with the same connector as the relay. It will probably be a small round relay. It is very common to see the relay replaced with an aftermarket flasher.

 

[sandcruiser90]

That's the oil pressure sensor/over-ride I mentioned in your other thread.

Cuts off the engine of oil pressure too low?

 

[sandcruiser90]

The screen for the glow plug indicator is torn. How do I get this out to repair?

What is this rectangular thing in the dash above the cig lighter?

 

[nogo]

Cuts off the engine of oil pressure too low?

Correct!......Does your engine stall when first starting on cold mornings?

 

[sandcruiser90]

Correct!......Does your engine stall when first starting on cold mornings?

Nope. This engine really starts well and runs strong. One turn of the key even without choke. Just had annoying buzzer that goes off after 5-10 sec.

 

[nogo]

What is this rectangular thing in the dash above the cig lighter?

Looks like the PO has fitted a light for the controls?

 

[nogo]

One turn of the key even without choke.

H diesel with a choke?..........And the buzzer is the 'low vacuum warning' buzzer.

 

[sandcruiser90]

H diesel with a choke?..........And the buzzer is the 'low vacuum warning' buzzer.

Correct, choke might not be the correct term. This knob, lower right of dash next to fuse box, when pulled increases RPMs. What is it called on a diesel?

 

[Michael B]

That is a Throttle knob. Used Offroad to set the engine RPM ie if you were using PTO winch or towing a trailer on a farm loading hay. Some refer to it as “Cruise Control”. That is not a good idea.

 

[sandcruiser90]

That is a Throttle knob. Used Offroad to set the engine RPM ie if you were using PTO winch or towing a trailer on a farm loading hay. Some refer to it as “Cruise Control”. That is not a good idea.

Ah cool. Didn’t realize it would run the truck while in gear.
This truck not going to be garage queen. It’s going to a farm we’re developing in NC mountains. Trying to get an idea how much it can tow ie. Tractor on a trailer??

 

[Michael B]

The H motor will generate enough torque to move heavy equipment. But keep in mind these trucks don't weigh a lot so controling a load can be difficult, even with trailer breaks.

 

[sandcruiser90]

The H motor will generate enough torque to move heavy equipment. But keep in mind these trucks don't weigh a lot so controling a load can be difficult, even with trailer breaks.

How much max?

 

[Michael B]

With brakes I would think the max safe load would be 4000 lbs, including trailer.