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The hoses are a wrestling match to get installed. Pulling the grill, pulling the skid plate, and partially raising the cab are necessary. Today I got all the hoses and wiring routed, and fully tested the wiring for 24v to the compressor clutch, and 24v to each fan connector - and the fording...

So I did a bunch more digging since I'm about to charge my system tomorrow. The answer appears to be that Sanden ships all their compressors with a full system charge of oil for the application they are intended for and only if the system is larger than 4lbs or has very long hoses would more oil...

Do you have LED's on the voltage regulator? If so what are they showing?

Highly dependent on your batteries - both type and condition as well as ambient conditions. Under perfect conditions, all lights off to conserve power, etc I would hazard a guess that 50+ miles wouldn't be out of the question. One of the reasons I'm setting my rig up for my solar panels to...

Interesting. I hadn't heard that specifically. I was under the impression they should be changed annually unless in a pretty dry environment. Pretty wet here in Oregon so I did mine at one year..... kinda hyper sensitive after the original cartridge from 2008 destroyed my compressor.

The newer A1R trucks use the Haldex N50011H The benefit is easier/faster servicing. The drawback is the cartridge price - it's about $100 a year. Literally though - it takes like 15 minutes to service. Really convenient.

Correct. USPS Flat Rate Medium. Yours is on the way.

A capacitor would tend to delete the signal by smoothing the AC into closer to a DC signal. Fundamentally the AC signal from the alternator VR is not designed to be a tach signal and the fact that it sort-of works is basically a coincidence - it's designed to send alternator RPM To the LBCD and...

Ok I'm *almost* ready to charge the system. The only remaining question/discussion I would like to have is regarding the system capacities. The TM lists the capacity as approximately 4 lbs. I'm told by someone that has installed a number of these that it's 3.75 lbs. I can go off system...

And those of us with C7's at 370 HP / 930 Ft/lbs..... my back of napkin calculations similar to what Ronmar laid out indicate the additional power will help significantly offset the higher gear ratio. I look forward to posting videos and measuring performance.

You can also just use something like this to convert the signal to whatever you need. https://www.dakotadigital.com/index.cfm/page/ptype=product/product_id=1192/category_id=287/mode=prod/prd1192.htm This has the added benefit that you can simply adjust it back to 1:1 if you put the reductions...

Due to the components and hoses I'm using I need to switch over to a different trinary switch. The one Tom is using in his wiring kits is a bit of an odd unit - being a factory switch for a 2001 to 2006 Hyundai Santa-Fe (the only application I could find anyway) and there is basically NO wiring...

Right on! Excellent feedback and thanks for the support and the pics!

Ah - yes so the AC terminal basically outputs alternator RPM to the LBCD and it judges battery state (and thus infers load) based on voltage. But as you pointed out it's a Niehoff spec and we don't know how many pulses per rotation - plus it's alternator RPM not engine RPM. Not really easily...

The alternator AC post is a voltage regulator output that indicates alternator load to the LBCD. It is not a tach signal. The ECM does provide a "complimentary" tachometer drive signal other than the J1587/J1939. On the C7 (I believe it should be the same on the 3126 - communication and...

These members orders went out yesterday: @TomTime @Guruman @maa45069 @Jcannon @Mk23 @TacticalTruck @Third From Texas Two went out last Tuesday IIRC: @Poolboy 7631 @wheelspinner I believe that's it for the moment. I have one more to go out today for @coachgeo I'm going to take...

One 4x4 set for me please! Thanks!

I completely agree, with the possible exception of one of the original design criterion for the platform - the 18" vertical wall climb. I'm not saying it absolutely wont do it, I'm just not SURE it would do it without the reduction. That said - for the typical civilian use case such as an...

Icy roads - put on chains..... I can't see an advantage over just putting it in MODE and it being 50/50. Chain up the front and lock in the center..... with newer supple Goodyear MV/T's I don't see you having a problem. Don't own a 6x6 but I can pretty much guarantee there's essentially zero...

The FMTV is AWD and if you were to "unlock" a hub the truck wouldn't move without putting it in MODE. I don't really see a use case for that feature - are you thinking of that combined with some sort of transmission reprogramming or a different transmission altogether?