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Topic: Headlights won't open with switch

in Forum: C3 Electrical


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Headlights won't open with switch (1/3)
 9/15/16 4:55pm
BillHanna
Standard Member
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Cana, VA - USA

Vette(s):
1975 Stingray 71 350 engine Flat top pistons Sniper fuel injection Hyperspark ignition Vintage Air air conditioning Borgeson power steering box


Joined: 7/3/2016
Posts: 319

The headlights on my '75 would only pop up with the secondary control under the dash, so I replaced the headlight switch.  Now they will still not open with the headlight switch, but if I use the under dash control to open them, (then push this control back in with the headlight switch pulled out), they will stay open, and close when I push the headlight switch back in.

I find this a bit crazy -- it does not make sense to me.

Any ideas on what is going on, and how to fix it?


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Re: Headlights won't open with switch (2/3)
 9/16/16 11:51am
Tooch1
Former Member

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Vette(s):
1973 Convertible, L48, 4 Speed, PS, Numbers Matching, Mille Miglia Red, Dark Red Interior NCRS Top Flight Award Chapter/ June 2016


Joined: 11/29/2015
Posts: 47

Hi Bill, Yes, this does sound kinda strange. Just to throw something out there! Did you replace the vacuum hoses on the light switch correctly. One of the hoses ( at least on the 73) has a blue stripe on it and the other is plain black. They need to be installed on the correct light switch ports. Sorry, but I can't remember which way they went. Check your AIM. Also, some of the repro switches have been known to be faulty. They are all made in Tawaiin. Regards, Jim

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Tooch1 Pittsburgh Tri State Chapter NCRS Laurel Valley Corvette Club
Re: Headlights won't open with switch (3/3)
 9/19/16 4:30pm
BillHanna
Standard Member
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Cana, VA - USA

Vette(s):
1975 Stingray 71 350 engine Flat top pistons Sniper fuel injection Hyperspark ignition Vintage Air air conditioning Borgeson power steering box


Joined: 7/3/2016
Posts: 319

That was it!  I switched the vacuum lines (putting the blue stripe towards the driver) and they now work!
Thanks.


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