Grounding Auxillary Fuel Tank

[Jammar9082]

Grounding Auxiliary Fuel Tank

I am installing an auxiliary fuel tank inside of an aluminum chest tool box in the bed. The bed has a sprayed- in bed liner. What are the suggestions for grounding the fuel tank to the frame of the truck? I don't think the mounting bolts are sufficient for grounding especially where I can't get to the area between the cab and the bed to grind the paint away under the bolts/nuts. Will an insulated flexible conductor copper # 10 wire with soldered connectors work? The auto store says that aluminum braided grounding straps are available by special order.

 

[WestTN]

grounding

Sure, a flexible light guage wire will work fine. You are only discharging static buildup, not carrying heavy amperage. Just don't use a wire that is so small it would be easily broken.

 

[Bigramguy]

If mountinh it to the aluminum box,use an aluminum connector or strap. If you use dissimilar metals they will corrode very quickly causing a poor connection.



I've seen first hand what an ungrounded fuel tank can do !! :--) :--) :--)

 

[Jammar9082]

Thanks for your good comments.



I decided to go with the # 10 for the structural strength and went directly from the fuel tank out through the AL box to the bed ground and then a jumper to the cab ground. This should be sufficient. I'll check the resistance now and record it for future reference and watch for corrosion and increased resistance.