Headlight switch: is it repairable? - Alfa Romeo Bulletin Board & Forums
 
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post #1 of 12 (permalink) Old 04-02-2013, 12:37 PM Thread Starter
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Headlight switch: is it repairable?

1967 Giulia Super:

I have power going into my headlight switch and none coming out for either the regular or highbeams. The dash lights work though.

Does it come apart so that I can clean the contacts or do I just need to buy a new one?

Todd
'59 Sprint '71 GTV
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post #2 of 12 (permalink) Old 04-02-2013, 02:07 PM
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People have taken these apart and cleaned the contacts and connections.
The parts are held together by long brass rivets.
New ones are available, but the price is high and the quality is not as good as the originals.

'64 Guilia Spider
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'68 Giulia Super

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post #3 of 12 (permalink) Old 04-02-2013, 02:38 PM Thread Starter
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Headlight Switch

So I would have to drill out the rivets and find something to replace them with.

Maybe I can just use a small nut and bolt to replace the rivets?

Has anybody done this?

I am not too excited about the high cost of a new switch that may not be great quality.

Todd
'59 Sprint '71 GTV
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post #4 of 12 (permalink) Old 04-02-2013, 02:43 PM
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If you have a good hardware store nearby, they may have long alum. or brass rivets.
I know my local ACE store has quite a selection !

'64 Guilia Spider
'67 GTV
'68 Giulia Super

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post #5 of 12 (permalink) Old 04-02-2013, 03:45 PM
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Quote:
Originally Posted by toddfiebig View Post
Maybe I can just use a small nut and bolt to replace the rivets? Has anybody done this?
Yes. Use small screws (#6 or #8, I forget which) to replace the small rivets, and nothing to replace the large. The two screws that attach the switch to the steering column go through the large rivets, so if they are drilled out and not replaced, those screws will serve to clamp the switch halves together.

Incidently, there are many threads on the BB about repairing these switches.

Jay Mackro
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'65 Guilia Sprint GT
'67 Duetto
'91 164L

Last edited by Alfajay; 04-05-2013 at 08:20 PM.
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post #6 of 12 (permalink) Old 04-02-2013, 05:36 PM
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If it is the same switch that was used in S2 Spiders then you can clean up the contacts without removing the switch. Find a thread that has pictures showing the three locations where you can get at the contacts.

Ed Prytherch
79 Spider
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post #7 of 12 (permalink) Old 04-05-2013, 08:17 PM
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Todd - I think I have a decent used switch. There are (at least) two different types, but you and I have the same year Super. PM me if you are interested.

Gone but not forgotten:
1970 GTV 1750 S2
1967 Giulia Super

Last edited by fangio8c; 04-05-2013 at 08:19 PM.
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post #8 of 12 (permalink) Old 04-06-2013, 05:34 AM
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This is all well documented on the BB. Have you done a search, yet?

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post #9 of 12 (permalink) Old 08-23-2019, 12:39 PM
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I'm searching all over the place. Can you point me to where it is? I know I saw an exploded view or disassembly instructions somewhere but now I can't find it.

any help would be appreciated.
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post #10 of 12 (permalink) Old 08-23-2019, 04:19 PM
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Quote:
Originally Posted by mhunger View Post
I'm searching all over the place. Can you point me to where it is? I know I saw an exploded view or disassembly instructions somewhere but now I can't find it.

any help would be appreciated.
What have you done to test the switch?

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post #11 of 12 (permalink) Old 08-23-2019, 04:31 PM
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it won't turn off. this has happened to me before. the contacts are carbonized. last time I found disassembly instructions, took it apart and cleaned it. this time I can't find the instructions.
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post #12 of 12 (permalink) Old 08-23-2019, 05:33 PM
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You will need to remove the steering wheel and the two part plastic cowling to access the headlamp switch. Once you remove the switch, you will be able to see the contacts. The picture below shows two of them. The other is on the other side. Open the contacts and insert a piece of emery cloth. Close the contacts and pull the emery cloth out. Repeat as necessary to clean the contacts.
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