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Going to do a pickup Thursday and need some quick info if someone has a minute or knows off-hand: What is the size of the lower radiator hose? The short one on the bottom passenger side of the radiator. I'd like to arrive with a spare, on the off chance they cut it to drain the radiator...

I really can't keep up with you Jones's. Good grief that's a monster. 40,000 pounds empty? Good griefimous.

Air switches shown at top left, normally open. Air switch light just to the right of that. Parking brake switch to the right of that. Parking brake light to the right of that. At the very bottom is the normally open ignition switch. Relays are shown with coil side on the left, load side on the...

That's like asking how an engine works. The answer is: It depends on how you design it. I'm not an engineer, but I think one way would be to put a water jacket around a section of the exhaust. Steve Chastain has a good discussion of waste heat recovery in his Generators book.

Waste heat recovery system. That way you're heating your water while you drive to the picnic.

Hey collector, I don't know if anyone mentioned this yet, but have you thought about putting your BBQ in a trailer? Like an MKT. I'll bet that would work well. :3

They were actually giving you constructive advice... it just wasn't what you wanted to hear. Human nature, I guess.

The cable end kit came with an extraction and insertion tool for the pins. I haven't been able to figure out how the extraction too works, yet... Sounds like your FWCM was faulty. If it was plug wires with bad connections, I don't think a new FWCM would have helped you. I'm betting, based...

Actually, ours is MS3456W18-1S and those kits are MS3456L18-1s I think that's a "class" difference. What that means as far as compatibility of the plugs/receptacles... I don't know. The body looks very similar to the one on the truck, aside from paintjob. The pins and sockets it comes with...

Using my multimeter to measure resistance: One lead on the copper grounding connector coming out of the FWCM and the other lead on socket J (wire going to air light), resistance reads consistently over 125k ohms. Same ground point, other probe on socket G, inconsistent results. resistance...

The plug (the part with the wires from the harness going into it) is serviceable, but you need the Jonard insertion and extraction tools. Which I found for about $45 and $49 apiece on allied elec. They come in three different sizes from largest to smallest: R12, R16, and R20. Going to go...

something like this? http://www.youtube.com/watch?v=8x726blInR8 Now I just need to figure out what size pins these are.

I don't think I'm goinng to be able to dissasemble the cannon plug without damaging something. It doesn't appear to be made to take apart. What I'm thinking about doing now is cutting the two wires that go from the FWCM to the Parking brake light and the low air light. Then splice a wire...

I think you may be onto something... but the problem is, I think, whatever connections have poor contact are probably inside the FWCM itself. I'll try cleaning the pins and sockets of that cannon plug tho to see if that helps at all. I did unplug it and plug it back in earlier, but that...

I looked again. It's on the diagram for the 939 and 939A1 trucks... but the 939a2 has it's own diagram. For the 939 and 939A1s, wire 35 goes from Pine E on the FWCM to the Engine hot warning light. On the 939A2s, pin E is unused and no hot engine warning light is apparent. I guess they got...

Check to see if there's a wire coming from the cannon plug on the FWCM that doesn't go anywhere. Wire #35 goes to the hot engine warning light, according to the diagram.

Really? Is there a light missing on your cluster above the steering column? I thought all the 939/A1/A2s had it.

Well I was able to get the buzzer to come on... by tapping it's face on the FWCM. Prior to that, I went out side to go run errands in town. Just for grins, I went and flipped the switches and lo and behold... the parking brake warning light came on. Steady flash. Cool. 45 minutes later...

Unfortunately, I haven't been able to get either of the lights to work at all. Not even briefly. Electronics people... would it make sense for them to have put some auto-resetting circuit breakers to protect those lights inside the FWCM? I am so tempted to go messing with my FWCM, but I've...

I haven't been able to get either my low air light or parking brake light to flash even once. I have gotten the buzzer to sound for the low air and for the brake, but not very reliabily. That is to say, when it's working I can turn the buzzer on and off at will... until it stops working. The...