Eliminate multiple battery drain, allow simultaneous charging of multiple batteries and prolong battery life.

IGD-140HP: For use with General Motors (GM) alternators for 1985 and newer vehicles that require an additional terminal for excitation of the alternator in the start and run positions only. 200 amps; color: Blue; 2 batteries;

8.5"L x 5.23"W x 3.35"H.