I've wired them that way for over 30 years with no failures. If you look at original-equipment wiring diagrams, they've got full battery voltage there on most of the systems anyway. The other connector is only needed if you plan to run an idiot light.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!