Ipc,rdo,info(tmnt) fuses where is all that fuses on 2007.5 lmm duramax

easy to locate the Truck's Owner's Manual on my.gm.com by using the VIN #, but the DURAMAX Supplement is nowhere to be found.

Probably in the fuse box. Sometimes the radio fuse is labeled rdo.
Sometimes the fuse box cover has a legend on it, it tells you which fuse does what. Your owners manual may have this info?
If you want more info, I need year--make--model. My database only covers vehicles sold in the US.

Owners manual . or someone could tell you .
Rear fuse box ,location under the back seat .
RDO/PH Fuse 11
5 A
Cellular Telephone Handset, Radio, Steering Column Fuse (2A)
RDO Fuse 17
10 A
Audio Amplifier, Radio

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Apr 6, 2009 - It appears to have every CEL code known to man... or at least known to Dodge. ... Chevy/GMC Truck and Duramax Turbo Diesel Forum · Chevy/GMC Duramax... General · 2011 · 2013+ · 2007.5 - 2012 LMM · 2006 - 2007 LBZ .... P0039 Turbo/Super Charger Bypass Valve Control Circuit Range/Performance

this is not a good idea,,, if the glow plugs come on while cranking you will do some serious damage. glow plugs first must not be coming on... you don't mention what year or engine lb7 lly lbz lmm?? fuel management filters ,,lift pump lb7 had external fuel pump..

Yes it should be under the hood fuses the diagram should point it out as radio or rdo/power should be a yellow 20 amp fuse

{: ) I supposed you have checked the fuses at the IP fuseblock and tried adjusting the dimmer knobs back and forth. You can also try to check the cluster connector behind ( although not likely to be the cause). If the illuminations or backlighting works fine on other areas except the cluster, and gauges functions are fine, you will need to replace IPC (cluster) and program. Actually there is a GM bulletin for this kind of concern for the 2007 IPC poor backlighting. The IPC should be replaced with a 2008 hardware/software.

{: ) If you are referring to the IPC message screens going blank, and the gages and warning indicators seem to be working normally, the problem is not the fuse but an IPC internal circuit fault.. So better be ready for a new one. A replacement IPC will be that of later model versions. It will be programmed to your vehicle, and the mileage record will be reset to zero.

Open the front hood and go to the fuse box under (right next to the battery).

Replace the 20A fuse labeled RDO/Power