Just got a new to me c/3 sd lightbar for a vintage restoration, it's set up with triple 30 watt par 36 in each fixture,that's 12 bulbs in a 55 inch frame I've never seen that combo before looks to be all factory as all 3 light frames are riveted to the carousel my question is the amp draw I'm coming up with just over 30 amps. Sound rite ? If so sounds like an alternator step up. Even police grade for the 70s was only 90 total. Perhaps dual battery...