C4THOMAS 16 Lamp Exterior Light Monitor $202.55 Quantity discounts available QuantityPrice Quantity -+ Add to Cart Details Eliminates the need for expensive adapter cablesEasy installationMonitor designed as a reliable instant check on school bus lamps wired indivdually, ... Details Back DetailsEliminates the need for expensive adapter cablesEasy installationMonitor designed as a reliable instant check on school bus lamps wired indivdually, not multiple lights wired in parallelDirect Replacement for older Thomas Built Bus/ESI monitors