KWT660HDT Posted May 12, 2016 Report Share Posted May 12, 2016 Some Levity mixed with confusion: So my truck has a 12V plug in the sleeper for a tv/microwave whatever. I got a 300W inverter and plugged it in there and we've been using it every day for 6 weeks now for charging all of our iDoohickies and even a small dyson vaccuum. Never had any trouble. Then we plug in a charger for a big canon camera battery and boom CECU power loss message flashes in the dash console... No worries right? It's just a blade fuse 30 amp I figure. First I check the inverter it has a 40 amp fuse still intact so it has to be a truck fuse. No problem, pop the fuse cover and look at the sleeper accessory fuse position.....there's no fuse! What the.... So i plug the inverter into another 12v plug and it works fine. Still doesn't work in the sleeper. Ok back to fuse box I figure somehow by some miracle the fuse was ejected from it's slot when it blew so it's lying around somewhere...nope nothing anywhere.... What the....is going on. I Stick a new 30 amp fuse in there and the sleeper 12v plug works again So I've got a fuse monster that eats blown fuses without leaving a trace or there's a more logical explanation for this?? Is this weird or what yikes I don't know if there was a fuse in there to begin with so maybe just maybe the 12v plug was getting power another way? Ok then so I have a blown fuse somewhere else? Nope. Nothing The fuse monster did it! ( ok, ok there has to be a more...logical explanation...but logic can be pretty boring no?) 2013 KW T660 485HP, 18 speed & locking tandems 2015 XLR 45' Toy-hauler Link to comment Share on other sites More sharing options...
DavidMc Posted May 12, 2016 Report Share Posted May 12, 2016 Prior Owner Did It ?? Just a WAG: prior owner blew the fuse, was on the road, did not have a replacement fuse handy, but did have a short piece of small wire . . . and that little bit of wire got tired of the assigned task -- mostly 'vaporized' (or otherwise became small pieces). David On-The-Road with a Purpose Link to comment Share on other sites More sharing options...
Star Dreamer Posted May 12, 2016 Report Share Posted May 12, 2016 Maybe a mouse or a large Rat? Dave 2005 Freightliner Century S/T, Singled, Air ride ET Jr. hitch 2019 46'+ Dune Sport Man Cave custom 5th wheel toy hauler Owner of the 1978 Custom Van "Star Dreamer" which might be seen at a local car show near you! Check out http://www.hhrvresource.com/ for much more info on HDT's. Link to comment Share on other sites More sharing options...
fsujeeper Posted May 12, 2016 Report Share Posted May 12, 2016 our truck has a fuse box in the sleeper and one in the dash Link to comment Share on other sites More sharing options...
Exile Posted May 12, 2016 Report Share Posted May 12, 2016 Prior Owner Did It ?? Just a WAG: prior owner blew the fuse, was on the road, did not have a replacement fuse handy, but did have a short piece of small wire . . . and that little bit of wire got tired of the assigned task -- mostly 'vaporized' (or otherwise became small pieces). X2 98 379 with 12.7 DD LG Dodge w/5.9 CTD Chrome habit I’m trying to kick. Link to comment Share on other sites More sharing options...
noteven Posted May 12, 2016 Report Share Posted May 12, 2016 Rolled up tinfoil from a pack a Export A's ? "Are we there yet?" asked no motorcycle rider, ever. Link to comment Share on other sites More sharing options...
Scrap Posted May 13, 2016 Report Share Posted May 13, 2016 That's funny, I've thought the exact same thing before! But I'm thinking that you are on the wrong fuse slot and the actual one has a breaker or polyswitch in it? Is this the 12v plug in the TV tray? Or in the RH 'control' panel? Studio sleeper? Link to comment Share on other sites More sharing options...
KWT660HDT Posted May 13, 2016 Author Report Share Posted May 13, 2016 Yeah it's the tv tray in a studio sleeper . Seems to be the right slot (it works after putting a fuse there) and I'm pretty sure there's no fuse box in the sleeper Edit - what's with the double thread i wonder...nothing intentional there. Weird. Just like the fuse monster! In the second the idea of a parallel circuit is raised i'll have to double check that... Thanks 2013 KW T660 485HP, 18 speed & locking tandems 2015 XLR 45' Toy-hauler Link to comment Share on other sites More sharing options...
Scrap Posted May 14, 2016 Report Share Posted May 14, 2016 At the LH front corner but under the sofa there will be an aluminum plate in the wall with four screws in a square pattern. Pull that plate off and you'll find a group of maxi fuses. There is a 20A one in there that runs the TV power port. I'm betting someone replaced it with a breaker and that breaker reset while you were finding a fuse and putting it in the PD box in the firewall. So your fuse in the PD box isn't doing anything but it was just coincidence that your breaker came back on by the time you plugged the inverter back into the socket. That's my theory anyways. The chassis node (CECU message) shouldn't be involved and could indicate a deeper problem but cross that bridge if it comes down to it. Usually KW won't do a fuse panel in the sleeper but this one is only on studio sofabeds and is left over from the 74" modular days. You've got a monster sleeper and a couch to lounge on so it pretty much assumes you are going to fill all the space with igadgets and lounge around using them for more than the usual 10 hour night at a truckstop. So it kept the power panel. When you are in there you'll see a couple unused fuse blocks and some open aux pigtails. This is where you'd insert a fuse and pull power for any accessories you add to your sleeper. Link to comment Share on other sites More sharing options...
KWT660HDT Posted May 14, 2016 Author Report Share Posted May 14, 2016 Thanks Scrap. I have a studio sleeper but no sofa on this one I'll pull the PD fuse I added and see if the plug works. That should help me figure out what's going on We've been road tripping for almost two months and we'll be back home later today so I'll have more time to get to the bottom of this. hopefully I don't have the deeper problem you were referring to... 2013 KW T660 485HP, 18 speed & locking tandems 2015 XLR 45' Toy-hauler Link to comment Share on other sites More sharing options...
KWT660HDT Posted May 14, 2016 Author Report Share Posted May 14, 2016 Ok then back to the drawing board... I pulled the PD fuse and the tv 12V sleeper plug still works so there has to be another fuse or breaker somewhere 2013 KW T660 485HP, 18 speed & locking tandems 2015 XLR 45' Toy-hauler Link to comment Share on other sites More sharing options...
Scrap Posted May 18, 2016 Report Share Posted May 18, 2016 Ah bummer I haven't done a bunk studio in a real long time. On a separate note, been looking for keyless entry for the truck? I bet this one will plug right in and work. Last one! http://www.ebay.com/itm/GM-16254970-Door-Lock-Remote-Receiver-16245102-Cadillac-GMC-Oldsmobile-Chevy-/161856169012?hash=item25af612434:g:HhIAAOxyrx5Tkexw&vxp=mtr Link to comment Share on other sites More sharing options...
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