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Old 06-12-2016, 02:19 PM   #1
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As I said in my PDI thread

As I said in my PDI thread yesterday here is a picture of the cut wires I found.
Looks to be the drain valve for the tag axle. The white wires are labeled "Tag Axle" and the valve looks to be the release valve for the tag.
Now, the mystery is: Why are the wires cut? They are very definitely cuts and not worn through. I guess the only why to go now is to splice them back together and see what happens when I activate the HWH panel. I've never had any trouble with the tag dumping or lifting so I'm at a loss to figure out why the valve is disabled and without the HWH schematics it's going to be a problem.
Anyone with an idea as to what might be the reason?
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Old 06-13-2016, 12:13 AM   #2
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Well, based on your picture, it doesn't like the white wires go anywhere. Do you find another pair of white wires somewhere?

Do the wires have any numbers on them? If not and everything is working fine, I probably wouldn't worry about it.
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Old 06-13-2016, 02:10 AM   #3
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just a guess. Does your tag drop automatically when you level even if the raise switch is activated on the dash?
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Old 06-13-2016, 06:30 AM   #4
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I would not splice them back together, they might go to something but doubt they are meant to be joined. Without knowing could open a can of worms you would be better off not opening. One of my firm rules that has served me well is " if it isn't broken do not fix it"
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Old 06-13-2016, 06:39 AM   #5
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Wire most likely cut due to bad solenoid, or solenoid coil. Can you test for power and ground at the cut wires. Also as other have said does the system seem to work the way it is.
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Old 06-13-2016, 11:55 AM   #6
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The white wires are labeled "TAG AXLE" on the plastic loom. The cuts in them match the cuts in the red wires going to the dump solenoid. In fact the white end of one wire is still attached to one of the red wires. It shows up in the pictures. I did find the schematic and the wires connect to the solenoid.
Yes, the system seems to work "normally" but this is our first rig with all air leveling and liftable tag so I'm not totally sure what "normal" is.
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Old 06-13-2016, 11:58 AM   #7
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Quote:
Originally Posted by IASM View Post
just a guess. Does your tag drop automatically when you level even if the raise switch is activated on the dash?
Don't remember, guess I'm going to have to do some testing. I haven't driven the rig since last Sept due to the DW's health. Getting ready for our short jaunt over the 4th. Only going about 70 miles one way and just for the weekend.
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Old 06-13-2016, 11:59 AM   #8
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Quote:
Originally Posted by rgmiller32 View Post
Wire most likely cut due to bad solenoid, or solenoid coil. Can you test for power and ground at the cut wires. Also as other have said does the system seem to work the way it is.
That would be my guess too now that I've done some more looking. Guess a call to HWH is in order but they take a week or two to get back to you.
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Old 06-13-2016, 11:01 PM   #9
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I took a look at mine tonight and it is connected. My guess is its a bypass valve. Also if the tag switch is in the raised position it lowers at speed and also lowers if the parking brake is applied so the valve may be associated with one of those functions.
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Old 06-13-2016, 11:10 PM   #10
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Quote:
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I took a look at mine tonight and it is connected. My guess is its a bypass valve. Also if the tag switch is in the raised position it lowers at speed and also lowers if the parking brake is applied so the valve may be associated with one of those functions.
Thanks for looking!
As I said I have a call in to HWH and awaiting a call back. I know the wires should be connected but am at a loss as to why they were cut. I think the valve is faulty and that was a quick fix! I also sent Damon at Premier an email with the picture and asked his take on it.

Deen
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Old 06-14-2016, 11:48 AM   #11
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Here is what I got back from Damon Rapozo:
Quote:
That is a valve CC installed to blast air into one side of the drive axle to keep coaches level when tag is lifted. If your coach sits level when tag is lifted then that explains why it was disabled (albeit a hack job). If your coach leans severely when tag is lifted then you can consider connecting. I say “consider” because given the poor nature of the work who knows if they cut anything else? It could have been that on your coach this valve pushing air to one side caused it to lean which is why it was cut. The other reason people disabled this is it assisted in over extending and breaking shocks.
HWH did call me back this morning on my cell phone @ 6:47 but since I work swing shift I hadn't even turned on my phone yet. After Damons explanation I don't think I need to talk to HWH.
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Old 06-14-2016, 12:25 PM   #12
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I wonder if your air leveling system (HWH, I'm guessing), has a limit built in, so when your manually leveling with all tires on the ground, you cant overextend your shocks .
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Old 06-14-2016, 12:47 PM   #13
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I wonder if your air leveling system (HWH, I'm guessing), has a limit built in, so when your manually leveling with all tires on the ground, you cant overextend your shocks .
No need to guess if I have the HWH system, it's stated in my posts. There must be some limit to it and not just the shocks extension. ON some earlier CC's they actually used fabric straps around the shock mounts to limit extension. Cummins MW in Portland broke two of mine and an interior door while there for the engine repair. Don't know how they did it and they won't admit doing it but I did take pictures before and after.
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Old 06-14-2016, 02:41 PM   #14
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There must be some limit to it and not just the shocks extension.
I would hope so!

I dont have HWH, I have Valid / Powergear system. When I replaced the factory Monroe shocks, with Bilstien's, the Bilstiens appeared to have about 1" less extended length.
I manually raise my coach quite high at times, usually for boarding and un-boarding ferries at low tides. I'd hate to start breaking new shocks!!
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