Nissan 240sx headlight relay ELECTRICAL COMPONENT LOCATOR - 240edge.com 1990 Nissan 240SX 1989 NISSAN ELECTRIC COMPONENT LOCATOR 240SX BUZZERS, RELAYS & TIMERS In underhood relay box, behind left headlight. Accessory Relay... Source Source Source Source Source Source Source Source Source Source Read Also: Ascd relay nissan Nissan 240sx eccs relay 1993 Nissan 240sx electrical relays Nissan s13 eccs relay Interlock relay nissan 240sx Eccs relay nissan