Product details:
Stewart Warner M-413717: Shunt, Ammeter, 12 Volt System with 6 Volt Gauges, 300 Amps, Each. - Are you still using those 6 V gauges, but are converting your vehicle to a 12 V system If so, don't fall victim to a burnt-out gauge. Available in several amp ratings, these Stewart Warner ammeter shunts will ensure that your 6 V gauges are not affected by your 12 V conversion.