Picked up some silicone spray this morning,, wasn't expensive.
I'll try using it to clean battery contacts & as a lube, good to have around anyway.
Silicone is dielectric
product info: Keeps battery terminals and cases clean, minimizes corrosion,
prolongs battery life. A good electrical insulator that helps
prevent electrical losses. Works well to weather proof
ignition systems, plus insulators and distributor caps.
Improves radio reception, lubricates antennas,
FVP Silicone Lubricant Spray is a thick viscosity, heavy duty silicone spray lubricant with no ozone depleting chlorinated solvents. It is perfect for metal to non-metal contact. Lubricates and prolongs the life of weather stripping on hoods, trunk lids, doors, and windows. Prevents squeaks...www.fvpparts.com