Frequently Asked Questions


Will the Final Coat electromagnetic corrosion module drain my car battery?

Unlike other products on the market that have caused battery issues, Final Coat’s patented CM-4000 and CM-8000 modules do not drain a vehicle’s battery. These modules draw less than 1 milliamp of power .

Has the Final Coat electromagnetic corrosion protection technology been tested by independent, non-biased agencies or organizations?

YES, the Final Coat electronic corrosion protection module underwent extensive additional testing between 2002 and 2004 at the government's request. It is proven that it does indeed help to inhibit corrosion. Tests show a 98% to 99.7% reduction in corrosion on automotive sheet metal panels. For a complete list of testing organizations, see our Lab Tested page.

What do I do if the module light does not come on when I press the test button?

Check the connections in your vehicle then the inline fuse, if light still does not come on bring your vehicle back to your selling dealer.

Why should I choose Electromagnetic corrosion protection over traditional rust sprays?

The Final Coat electromagnetic corrosion module covers areas of your vehicle that traditional sprays do not. For example: the vehicle frame, areas above the window line, seams and much more. The electromagnetic corrosion module means you never have to spray again. Spray contains harmful petroleum products that are washed off into the environment.

My car already has some rust; will the Final Coat electromagnetic corrosion module help?

Yes, the module will slow down the process of rust even if there is rust present before installation. The module is proven effective up to a 99.7% reduction in corrosion.

Will my pacemaker be affected by the Final Coat electromagnetic corrosion module?

No, the module delivers a totally safe (RF) radio frequency that will not affect a pacemaker.