Mounting Fuse box to trans hump

[Jasonj105]

I bought a Blue Sea fuse block and i am going to mount it on the transmission hump under the ash tray. I have the whole tub rhino lined, so there is not carpet or insulation. My question is does that hump get too hot to mount it directly down on the hump, or should I make a bracket that sets it up and inch or so to let air flow under it?

[Polarcub]

If it were me I would use a bracket to lift it 1/2" or so. At least in mine with just the bed lining it gets very warm. I think it will provide you some insurance. If you plan on enclosing the area around the box I would also invest in some insulation for the hump. When I do my center console that is my plan.

[300]

The fuses themselves are not that affected that much by the heat, however anything that is plastic sure is. Not familiar with that particular type of fuse block, but I saw one in a Class 3 racer that had a standard glass automotive fuse type block completely open and mounted to the trans hump in the same area. That's inviting ALL kinds of disasters with stuff rolling around inside the cab or during hurried race repairs.

[PaulW]

I bought a Blue Sea fuse block and i am going to mount it on the transmission hump under the ash tray. I have the whole tub rhino lined, so there is not carpet or insulation. My question is does that hump get too hot to mount it directly down on the hump, or should I make a bracket that sets it up and inch or so to let air flow under it?

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A metal bracket will still transfer heat -not good. I have 2 fuse blocks on the hump, but I still have carpet. I also mount my radio there but the mount was NG with carpet. My fix was to cut away the carpet & padding and bolt the radio bracket to a block of Oak and bolt the oak to the floor. Heat problem solved. I cannot feel any heat rise on the radio bracket.
Looks OK after I painted the wood black.
PW

[ChaseTruck754]

these work for that too

http://www.google.com/products/catalog? ... 8wIwADgA#p

[PaulW]

these work for that too

http://www.google.com/products/catalog? ... 8wIwADgA#p

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Steve, Good suggestion. Very applicaibale. Not sure any would have enough threads to reach thru the fuse panel body?. To lazy to measure them. Otherwise it would be a pain to reach the nut underneeth.
My block of wood is held in place with self-tapping sheet metal screws.

These isolators are great for the preferred method of mounting of oil coolers. On my last install I dug around and ended up using VW isolators which were OK but cost more. I will be buyins more Isolators to replace the home made ones I used on the EB.
Paul

[ChaseTruck754]

That was the quick and dirty link reply. If I had more time when I made that reply I would have found some specific ones. The reality of it is though that there are a lot of different isolator types like that with many sizes of thread length, etc. that can work well. McMasterCarr has a bunch of different types that I have used in the past. A cheap/semi ghetto way that still does the job is the longer, self tapping metal screws with a 3/4-1" long piece of hose over it between the firewall and fuse block/box. You still get the slight dampening, the "air gap" for heat reasons and the ease of the self tapping screws.