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Headlight question

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Old Jul 25, 2009 | 01:07 AM
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vettecrazy88's Avatar
vettecrazy88
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From: Lakewood Colorado
Default Headlight question

For 75 coupe

Still fighting headlights not working. All other lights work.

Looks like one of the headlight warning switches is damaged. If it were could it cause the problem?
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Old Jul 25, 2009 | 08:15 AM
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...Roger...'s Avatar
...Roger...
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From: Dayton, Ohio
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Originally Posted by vettecrazy88
For 75 coupe

Still fighting headlights not working. All other lights work.

Looks like one of the headlight warning switches is damaged. If it were could it cause the problem?
No the little black plastic switches mounted on the headlight pop ups will not cause the headlights not to work. They only monitor whether the headlights are in the full UP position.
The easiest thing to check first is for power on the lt blue wire at the dimmer switch-- if there is NO power at the lt blue then check the red at the headlight switch.
I am not at home so I dont have access to my own diagrams and have been using some of these free on line diagrams http://www.nrjvette.com/johdotukset/?c=d;o=d
Usually the headlight circuit is protected by its own fusible link and if it blows it shuts down only the headlight beams. By the online diagram I cant seem to find a headlight dedicated fusible link. Do yourself a big favor and get a DocRebuild wiring diagram. It will allow you to hone in on the exact problem.
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Old Jul 25, 2009 | 02:34 PM
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vettecrazy88
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Thanks DWncchs. Disconnected switch at dimmer and checked and had 12+ V.

Reconnected the dimmer connector and now the lights work.

You are magic DWncchs.

Thanks.

A bad contact after only 34 years. Whats the world coming to?

I did order the wiring diagrams you suggested. Those look great.
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