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 TorxKiwi
A.k.a.: Dean Newell
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 posted on January 24th, 2013 at 09:10 PM |
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Headlights
'75 L Bug
Headlights would not switch to high beam, no 'clicking' noise when attempting to switch. Checked fuses, all okay. Fitted a new relay, lights would
then flick between low and high beam without issue, but, lights could not be switched off. If I turned off the light switch they stayed on low beam.
Fitted the old relay, back to the same issue, no high beam.
What next? Try another relay? I hate electricals.
"Ownership of a Beetle is not a destination it is a journey." |
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psimitar
Son of Jim - Creator of Good
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| posted on January 25th, 2013 at 12:01 AM |
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Take a look at this diagram
73>Beetle wiring
E1 is the main light switch and J is the dipped relay.
Now the relay gets it's power from the light switch so with the switch off you should get nothing. Hence first issue is remove the relay and between
it's power wire (black/white) and an earth connect a bulb or multimeter. Bulb shouldn't light or multimeter shows 0V. If the bulb lights or meter
shows voltage then the switch is buggered.
If thats not the case then I'm not sure how power is staying on.
Do the lights work at all with the old relay, either dipped or main?
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Joel
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| posted on January 25th, 2013 at 06:08 AM |
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That's a US spec wiring diagram, Aus and Euro bugs use a different 5 wire relay with a permanantly live so the high beam flash works.
I would check with a meter make sure the dipper switch is working ok,
It should just have a good ground when you pull the stalk and be comletely open circuit when not pulled.
Sounds like it may be sending a ground all the time which is holding the relay in.
THe points on the dipper switch with age can get a build up on them which can stick the contacts together.
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AA003
A.k.a.: Phill
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| posted on January 25th, 2013 at 08:34 AM |
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Are you sure that you used the correct relay?
I read it on samba, so it must be correct.
Sometimes Volkswagen dealers sell spare parts. Amazing isn't it!
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68AutoBug
A.k.a.: Lee Noonan
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| posted on January 25th, 2013 at 10:58 AM |
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Joel is usually correct..
US-north america spec beetles used different wiring diagrams plus a totally different system with different switches and relays..
LEE
| Quote: | Originally
posted by Joel
That's a US spec wiring diagram, Aus and Euro bugs use a different 5 wire relay with a permanantly live so the high beam flash works.
I would check with a meter make sure the dipper switch is working ok,
It should just have a good ground when you pull the stalk and be comletely open circuit when not pulled.
Sounds like it may be sending a ground all the time which is holding the relay in.
THe points on the dipper switch with age can get a build up on them which can stick the contacts together.
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- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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TorxKiwi
A.k.a.: Dean Newell
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| posted on January 25th, 2013 at 01:43 PM |
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I recently replaced the switch mechanism but it was one of the cheap arse ones so wouldn't be surprised if that's my problem. Where do I source a
decent replacement? I'm pretty sure that the replacement relay is correct, it does all the right things ...... except turn off.
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psimitar
Son of Jim - Creator of Good
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| posted on January 26th, 2013 at 01:31 AM |
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DOH!!!!! Sorry linked the wrong diagram. This is the right one
73> Euro bugs
wiring
The relay still works similarly tho. it's a latching relay but basically means that one of the contacts is always shut so if it's staying on dipped
after the lights are switched off then there must still be power coming from the light switch.
The main beam switch would mainly cause issues with the main beam staying on.
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