best route to run wiring front to back MCI-5C

[bevans6]

I need to fish some wires, and i thought someone might have some advice on the best way through the chassis.  I thought the heating dict on the floor at the side might be a good option, or down the center trough where the shifter runs.

Thanks, Brian

[Jerry32]

It all depends on where froman where to . I went through part of the ducts to get to the front J box but runbundles of wires and conduit next to the tunnels. Jerry

[Tom Y]

Brian, Did they change to an auto? If so the shift rods ran in tubes, you may pull wire thru. Otherwise you may find it hard to get past the front and rear axle areas. If the floor is out the front axle ares is open the back still has a bulk head to get thru.   Tom Y

[busshawg]

Do you have your factory air?? I removed mine so used the pressure line for teh A/C that runs from the engine bay to the front. I needed my wire to end in the front cargo bay so I simply cut the line at that point, filled the end with some caulking of your choice so the wire won't wear on the end. It worked great. If you have your factory A/C I'm not sure what you would do as it is a challenge to get over your axles.

Grant

[johns4104s]

Grant,

Great idea. How do I locate my A/C tunnel?

John

[FloridaCliff]

Do you have your factory air?? I removed mine so used the pressure line for the A/C that runs from the engine bay to the front. I needed my wire to end in the front cargo bay so I simply cut the line at that point, filled the end with some caulking of your choice so the wire won't wear on the end. It worked great. If you have your factory A/C I'm not sure what you would do as it is a challenge to get over your axles.

Grant

Grant,

Great minds must think alike, as I just ran new main DC cables using those vacated lines.  I moved my batteries to the back and ran 2/0 up to the old battery location for the house batteries.

John,

I am going to take a guess that GM built my 4905 and Your 4104 with some similarities. I cut into mine in the front A/C bay and again just before the back bulkhead.  Remember that you have two for the A/C and two for the front heat.  Be VERY sure which ones your cutting.  If your A/C has been gone for sometime it should be obvious.

Best of luck

Cliff

[Lin]

So far, I have not had the need to run any extra wires.  I have found existing wires that were no longer in use, and used them.  My back up plan has been to use the AC pipes from the engine to the old condenser bay.  My thought though was to run a cable that contained a bunch of wires so that there would be at least 6 in place for future use.

[Fredward]

I used the AC refrigerant line to get from engine compartment to front condenser bay. I have a auxiliary 12 volt alternator and wanted to get the power from there up to my house distribution box. Also, there is quite a bit of room along the drivers side floor where that duct ran. Its easy to get from the front JBox at least to the wheel well.
Fred

[busshawg]

I wish I had a easy answer for you John. There are quite a few lines to choose from. The engine bay is easy as they are disconnected. I could not get the 10 gauge wire to go around all the bends from where the A/C pump was located. So I cut one of those lines off after the last curve in front of the engine. I could still had easy access from the passenger side curb side engine door. Then what I did was fish the wire up as far as I could get it to go. Messured the outside diameter of the line I was using and then went up from and did the same. That narrowed my options down to a couple of lines. One of the optional lines was on the wrong side of the tunnel so I didn't think it was that one. Then I had my wife move the wire from the back and I listened and felt for any movement up front. It still left me guessing a little, but I was quite certain where it was. So I made the cut and the wire was right there. Maybe someone else can tell you extactly where it is located on you bus, sorry