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M1088 camper conversion

ckouba

Well-known member
Steel Soldiers Supporter
640
1,832
93
Location
Oregon
No pics, but a HUGE day yesterday...

While working on the roof rack, I noticed my voltage only going down despite having the motor running. At one point I left it running for quite some time while I moved it back and forth to raise and lower the roof rack components- and low and behold, the voltage appeared to be charging again. Interesting... I added this to my to to list.

Yesterday was the day it was to be addressed- or started to be addressed. I got the cab cleaned out so I could tilt it (no small feat in itself) and broke out the PC with the TM's. I started troubleshooting literally as Rick drove up.

First place we landed was the K11 breaker- was it functional? Things were fishy... We swapped it and voltage immediately went up (like ~24 and 12), and I was excited. That was too simple!

But Rick wasn't happy with those numbers. He also happened to have a spare 100A alt with regulator. We thought about the regulator swap but my connector was one pin short of his. So he said we should swap the whole thing. Uh, ok... A trip to his shop for the puller set to swap my pulley and about an hour later, I was at mid-27's and 13.something on the dash gauge. VERY HAPPY about that!

With that tackled and much daylight remaining, I asked if he felt like troubleshooting the exhaust brake with me. Mine had seized prior to my purchase of the rig, and while I had installed a new OE elbow and piston assembly, it still didn't actually do anything... It was a hard sell- sure! Cab was still tilted, he started poking at the back of the motor at the solenoid and its harness connector... and then asked if I had ever plugged it in.

Uh, nope...

So we tried that and it still didn't work.

There was an inline serial harness about 6" long which looked like some sort of suppression addition. We pulled that out and plugged the terminals back together. Hit the switch and click, pssfft... exhaust brake! Where's my "easy" button?

It was exciting enough to motivate me to secure all the crap in the back and take it around the block- and sure enough, it worked like a champ!

We did an autopsy on that short little harness and there was some sort of diode in it, so yeah, some sort of noise suppression but clearly, not necessary. We didn't test its integrity but assumed it had failed and tossed it.

So yeah, GREAT day of actually getting things done and MASSIVE tip of the hat to Rick for his guidance and assistance. I am very grateful for his knowledge and the generous manner with which he shares it.

A shower head and mixer valve are on the counter, awaiting install and the basics of a door frame await after that. It's been some great progress of late and looking forward to heading out for ~2 mo soon.
 

B-Dog

Well-known member
166
293
63
Location
Denver, CO
You don't need 2 filters. I used Donaldson D120037 on my C7. They have decent literature and this size is recommended for our flow volume.
That's a big filter, about 12" wide. After you add supports to the side, you're probably almost as wide as the spare tire...? I used (2) D100029's (10" wide) and even still, I put the filters above the cab roof seam to keep the box as close to the cab as possible.
 
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