Thread: EV Landy Conversion - 8 years on

Originally Posted by oka374

Jaycar have Conductive Carbon Grease which I've been using for years on battery connections and blade fuses in vehicles. Believe me Landrovers and Tojo's aren't the only ones with blade fuse connection issues. Older Volvo's, Oka's and pretty much everything succumbs eventually.
The big problem is the different materials used for the holders which are usually brass and the fuse blades which are alloy and oxidise quickly. I used to make it a yearly habit to remove all blade fuses and scrape the blades before I started using the conductive grease, clean the baldes, a very light smear of grease and reinsert, never had another problem with blade oxidation.
I use it on all battery connections whether post or bolt/eye as it prevents High resistance connection on anything.

That's really interesting. Sounds like something that used sparingly could be useful in older cars.

I had a 740 turbo Volvo which melted the main fusebox a few times over the years because of the fusebox contacts being brass and the fuse spades being alloy. The brass bits lose tension and the alloy soades oxidise which means a High Resistance joint and creates heat which buggers theings completely.
After the first time the smoke started coming out of the centre console (fusebox was under the radio in centre of dash) while stopped at the lights, a/c on flat out on a 35 degree afternoon coming home from work I realised what the problem was and bypassed the heavy draw fuses and greased them all.
It became an annual job to go through all the fuses on the whole fleet and scrape the fuse spades back to solid metal and after I started greasing them after cleaning there were no more problems.
A troopy we had at the time also suffered from melted fuseholders on a couple of high draw items.
You don't need much grease, the thinnest smear just to coat the spades is enough.
I've used Lanox for the same purpose and it works well until it really dries out and goes hard which probably at that point makes it worse.