Quote Originally Posted by VinnieL View Post
A test light or digital voltmeter works very well. The two terminals of the fuse are available on the top of hte fuse. You don't even have to remove the fuse. Just touch the two probes to the two terminals on top of the fuse. If there is NO voltage there (or test light does not light) the fuse is good. If it lights or you detect voltage the fuse is blown. Technically you are reading a voltage drop. It there is a 13-14 volt drop the fuse is shot and needs replacing.
And if there is no voltage on the input and the fuse is blown?

Rick