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Yes, not in the index, though on the J1939/1587 bus page in both. Once again I bow to you Ronmar. It shouldn't be added to the TM's, my mistake. Let us remove it—

R13?

The previously posted one misses R13 for the later serial numbers; perhaps other particulars?

Done. Thank you—

Two schematics for FTMVA1 trucks by serial number . Appears to include options like: arctice kit cab heater, van, wrecker, wrecker material handling crane, cargo material handling crane, 200a alternator, arctic kit troop heater, j1939/1587 bus, engine harness. Do not recall the source—

Two reasons: 1— It appears I cannot post in the TM's; 2— What I thought was the same revision appears to already there.

Hmmm. We have found the second set, page 21 and on very useful for our M1078A1 18,500+

We dropped the 12v backfeed, though will have 2-banks of 2-31's separated by a battery combiner which will allow the second bank to start assist, if need. We removed the LBCD and battery relay disconnects as you did, though brought the 24v alternator to the battery side of the manual...

We bought this last fall and have already removed it along with our LBCD as we replaced our dual alternator with a 24v 200a unit. Looking to sell our lightly used disconnect. PM if interested—

A 240v 15a unit; what are you planning for power source?

What heat pump did you use?

R12 or R13? is under the PDP; the other R13 or R12 is under the cab below the fuel/water separator. Both are in the J1939 circuit and connected to the ECU/ECM's for CTIS, engine, and transmission. Most likely thing in my limited experience to burn up under the PDP. If one is gone likely the...

Do you have a relay in mind? We found an adjustable under/over voltage relay made for a rack mount for a protected location: ~$25 with shipping. The IP54 rated ones were all over $140, since we splurged on the alternator =/. Planning to mount next to the Victron under the PDP and use the...

Well for 'only' 8x the cost we dropped in a Leece Neville 24v 200a unit. It required modifying the J180 bracket, though used the existing serpentine. Our intended loads add up to more amperage than yours, though I like the small form pad mount unit you have and the thriftiness. Admirable...

I measured the outside bolts, perhaps the insides are 4-1/2". CAT specs more like a 65a for these engines, the smaller footprint may slide right in?

@Lugnuts posted a video showing how they come apart in the first few minutes. I haven't found where someone (@flyfishtrailer ?) said not to cut the bands. We replaced our airbags and shocks with the OEM style from MME, not the new style ones. Our old bags are good and hoping to rebuild with...

With an o-ring under the bands? Right, you don't cut the bands, theshock slides out?

The cab suspension is both air bags and shocks, as you see in your take offs. Not sure what you purchased, though those look like the cab air bags. You likely need the shocks, too. When we replaced ours, only the shock bushings were bad, our air bags hold air—

@GeneralDisorder mentions DEX VI in item2 in post 98 above—

Measuring the bolt layout and depth of that CAT bracket underneath, it is too narrow, (7-1/2' x 5-1/4") and shallow for a direct pad mount. At least for the 24v 200a pad mounts I explored. None of which were significantly less expensive. A search of CAT 3126b engine images found both pad and...