If your multimeter has a "DC amps" function, you can measure primary current in the "engine not running/switch on/points closed" mode. Most points can handle a maximum of 5 amps without damage, but "less is better" as long as the engine starts and runs reliably.
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!