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EarlyBay Forums
Technical
Indicator switch problem
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<blockquote data-quote="brittas" data-source="post: 622060" data-attributes="member: 18735"><p>The brown/white wire comes from the Hi beam relay (12v)and when you lift up the stalk ,contacts ground out the relay so it latches over to change over hi beam ,when you do it again it latches back to the low beam .This only happens when the head lights are switched on , when you lift up the stalk with on lights on the relay uses the relay coil voltage to momently flash the hi beam .The horn on these buses are supplied in an unusual way through the steering tube which is 12 volts and insulated from the bus chassis earth through rubber and plastic bushes . When the horn button is pressed you earth this out via the steering shaft/steering box thus making the horn circuit and sounding the horn . Hope this makes sense , it took a while to work out.brittas</p></blockquote><p></p>
[QUOTE="brittas, post: 622060, member: 18735"] The brown/white wire comes from the Hi beam relay (12v)and when you lift up the stalk ,contacts ground out the relay so it latches over to change over hi beam ,when you do it again it latches back to the low beam .This only happens when the head lights are switched on , when you lift up the stalk with on lights on the relay uses the relay coil voltage to momently flash the hi beam .The horn on these buses are supplied in an unusual way through the steering tube which is 12 volts and insulated from the bus chassis earth through rubber and plastic bushes . When the horn button is pressed you earth this out via the steering shaft/steering box thus making the horn circuit and sounding the horn . Hope this makes sense , it took a while to work out.brittas [/QUOTE]
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EarlyBay Forums
Technical
Indicator switch problem
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