Discussion
There are two supplies into the stalk but only one feed out to the high beam relay.
The first supply is flash only. Flash works so that supply is good and so must be the output to the relay.
The second supply is for dip and high. If the dip is working then that supply and its wiring into the stalk is good. if you then switch over to high and nothing comes out then it has to be an internal fault in the stalk.
Steve
The first supply is flash only. Flash works so that supply is good and so must be the output to the relay.
The second supply is for dip and high. If the dip is working then that supply and its wiring into the stalk is good. if you then switch over to high and nothing comes out then it has to be an internal fault in the stalk.
Steve
Is it an early one with the buttons for sidelights then headlights?
Light switch is wired up wrong would be my guess.
Had this recently on a Chim, there's an extra Blue/red wire hanging about the headlight switch, which connects to the foglight switch but isn't used, but if you connect that to the light switch rather than the correct one which goes to the column stalk (think that's solid blue), then you get low beam because of the foglight wiring (it's joined onto the same spade as the another blue/red and ends up turning on dip), and you get flash because it's on a different feed, but no high beam as there's no supply to the column stalk. What you find also is that even with the column stalk disconnected, you can still get dip beam by pressing headlight button on, which is wrong.
If it's a later one with the rotary knob, I'd still be checking for a similar issue with the wiring of the light switch.
Light switch is wired up wrong would be my guess.
Had this recently on a Chim, there's an extra Blue/red wire hanging about the headlight switch, which connects to the foglight switch but isn't used, but if you connect that to the light switch rather than the correct one which goes to the column stalk (think that's solid blue), then you get low beam because of the foglight wiring (it's joined onto the same spade as the another blue/red and ends up turning on dip), and you get flash because it's on a different feed, but no high beam as there's no supply to the column stalk. What you find also is that even with the column stalk disconnected, you can still get dip beam by pressing headlight button on, which is wrong.
If it's a later one with the rotary knob, I'd still be checking for a similar issue with the wiring of the light switch.
Edited by Cerberus90 on Thursday 1st December 18:24
Not if it works on pull to flash as it's the same relay.
I would definitely check the headlight wiring if you've been working around that area. Took me ages to fathom it out as it was doing things that it shouldn't have been.
Without having to get at the back of the switches, you could just test the blue wire on the column stalk plug and find out if you've got 12V there with the headlight switch on, if you have, then it's most likely the column stalk.
If the dip beam still comes on when you've got the column stalk plug off, then it's the light switch wiring.
I would definitely check the headlight wiring if you've been working around that area. Took me ages to fathom it out as it was doing things that it shouldn't have been.
Without having to get at the back of the switches, you could just test the blue wire on the column stalk plug and find out if you've got 12V there with the headlight switch on, if you have, then it's most likely the column stalk.
If the dip beam still comes on when you've got the column stalk plug off, then it's the light switch wiring.
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