What was found
OVERVOLTAGE WARNING LIGHT ILLUMINATED. INSTALLED THE VOLTAGE REGULATOR, STARTED ENGINE, SWITCHED ON ELECTRICAL SYSTEM, WARNING LIGHT CAME ON. AFTER TROUBLESHOOTING WITH MFG TECH SERVICE, UNIT SHORTED INTERNALLY. MFG WOULD NOT WARRANTY BECAUSE THEY SAID ALTERNATOR HAD PROBLEM. VOLTAGE REGULATOR LISTED IN PARTS MANUAL, SYSTEM WORKS FINE. THIS UNIT WILL NOT WORK WITH THIS SYSTEM NO MATTER WHAT MFG ADVERTIZES.