I want to hook up electrric gaguges to my 22R Toyota should I hook up the positive wires?

I want to hook up electrric gaguges to my 22R Toyota should I hook up the positive wires from the oil ,water and tach to the ignition or straight to the battery?I want to hook up electrric gaguges to my 22R Toyota should I hook up the positive wires?Follow the instructions from the manufacturer of the gauges. Their internet website will have details for their products.I want to hook up electrric gaguges to my 22R Toyota should I hook up the positive wires?to the ign. or they will drain the batt.