What was found
OUT OF MIA DURING CLIMB OUT, GEAR NOT LATCHED LIGHT ILLUMINATED AFTER UPLATCH CHECK. PERFORMED CHECKLIST, LIGHT STAYED ON. RETURNED TO MIA. TROUBLESHOOT RETRACT SYSTEM AND FOUND CONNECTOR TO UPLATCH SWITCH BAD. REMOVED AND REPLACED CONNECTOR, RECONNECT UPLATCH SWITCH, PERFORMED LANDING RETRACTION AND TEST IAW MM 32-22-1, ALL SYSTEMS AND INDICAITON CHECKED NORMAL. AIRCRAFT RETURNED TO SERVICE.