John,
The most likely (and unfortuately common) cause for what you describe is an
internal failure or bad contact of your headlight/high beam indicator. The
contacts are copper and either oxidation or a broken contect causes the
problem. Sometimes thay can be cleaned with contact cleaner and some
fiddling. If the contact is gone, you'll either need to replace the column
switch or wire an auxiliary high beam switch. The column switch is riveted
together, so you can get them apart without destroying them.
Gerard
At 3:22 PM +0100 4/2/01, John Neal wrote:
>Hi All,
>
>I have a '71 austin sprite (now sitting on new suspension but that's another
>story), that has no main beam headlights.
>
>They were all working OK after I changed the combined indicator/dip/horn
>switch for one from a breakers yard. I have been changing the front
>suspension over since then and its quite possible I could have disturbed the
>wiring to the front head lamps as well.
>
>What happens now is that whenever I flick the lights on via the
>sidelight/dip switch mounted through the dash, I get the lower sidelights
>but no main lights, yet the blue main beam indicator is on at the bottom of
>the speedo gauge.
>
>To try to eliminate the indicator/dip/horn switch I have unplugged it
>completely under the dash and I still get the same result (no main
>headlights at all yet the main beam lamp is on)
>
>Does anyone know how this works? How is the thing earthed? With the
>direction indicator switch completely disconnected, I was expecting all the
>normal lights to work with no main beam. Does the direction switch short
>anything down for the dip/main beam?
>
>Cheers
>
>John
>
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