How much voltage does a starter relay need?
How much voltage does a starter relay need? Working the starter switch should cause a drop from 12 volts to below 0.5 volts. If the voltmeter reading stays above 0.5 volts, look for a bad connection at the battery earth strap (at either end) or the engine-to-body earth strap. Why is the battery draining on my Ford Mustang? Started checking fuses and found #8 inside car blew. This feeds the radio, courtesy light, clock, instrument cluster, and alarm. This is hot w/key off with minimum current needed to power alarm, and store radio stations and clock time. Next step was...