OLAS GUARDIAN Multi-Engine HarnessEnables operation of ACR OLAS GUARDIAN with Multiple Outboard EnginesThe ACR OLAS Guardian Multi-Engine Connector enables the ACR OLAS Guardian to operate in situations where a multiple-engine configuration exists (up to 3 engines in total). Most commonly required on Yamaha twin and triple engine boats, this accessory connects the multiple engines into one kill switch system.WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.