Nissan s14 wiring diagram WIRING DIAGRAMS - Nissan 240SX Tuning, … WIRING DIAGRAMS 1990 Nissan 240SX 1990 Wiring Diagrams Nissan 240SX IDENTIFICATION WIRING DIAGRAMS. Fig. 1: Engine Compartment & Headlights … S14... Source Source Source Source Source Source Source Source Source Source Read Also: 1990 Nissan 240sx wiring diagram 1990 Nissan 240sx radio wiring diagram Nissan 240 wiring diagrams 1990 Nissan 240sx stereo wiring diagram Nissan 240sx wiring diagrams 1989 Nissan 240sx radio wiring diagram