timsz Posted June 24, 2018 Share #1 Posted June 24, 2018 What is that passing on the basic S30 wiring diagram and doesn't it show the horn wires going to the steering wheel ? Link to comment https://www.classiczcars.com/topic/60267-71-horn-and-wiring-diagram-question/ Share on other sites More sharing options...
SteveJ Posted June 24, 2018 Share #2 Posted June 24, 2018 JDM cars had flash to pass (possibly in Europe, too?). The horn button grounds the horn. The issue may be that you're not looking at a FSM wiring diagram. It is shown clearly on the 72 & 73 wiring diagrams. Look for a wire labeled GB. Link to comment https://www.classiczcars.com/topic/60267-71-horn-and-wiring-diagram-question/#findComment-551633 Share on other sites More sharing options...
EuroDat Posted June 24, 2018 Share #3 Posted June 24, 2018 That is doesn't look complete. The diagrams I have show 4 wires going to the passing relay. A red wire, red with white stripe, black, black with yellow stripe. ColorWiring240Z-1971Early.pdf Link to comment https://www.classiczcars.com/topic/60267-71-horn-and-wiring-diagram-question/#findComment-551660 Share on other sites More sharing options...
zKars
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