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Old 07-28-2005, 12:13 PM
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Hazard flasher problem

Well, I bought two books on automotive electricity and troubleshooting, and managed to figure out why the power windows in my '74 Jag weren't working: 3 bad switches.

Now, the car is just shy of being able to pass state inspection. The hazards don't work, or at least part of them don't. Here's the issue: All of the car's turn signals work fine, as do the running and parking lamps. However, the right front and right rear hazard flashers will not work. I can see that none of the bulb filaments are burned, and again, the turn signals on the right side work fine, it's just that the hazards on that side won't.

I've reached the end of my still very limited knowledge of how to diagnose this type of stuff. Where should I be looking? Is it possible that the hazard switch is partially broken, or is it more likely a wiring issue?

Any help for an electrical newbie greatly appreciated.

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Old 07-28-2005, 02:53 PM
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If you can, try and find a wiring diagrams it will make everything easier. But look for something all four have in common. I would start at the hazard switch and follow the wire until you hit a relay. Check the relay. And if there is anything else all four lights have in common, check that.
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Old 07-29-2005, 08:57 AM
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I believe the hazards run through the turn signal switch on those cars. Check your route{easiest with a wiring diagram} I would suspect the switch is screwy.
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Old 07-31-2005, 05:47 PM
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Well, you guys were right, it was the switch. It's partially broken, so that it doesn't rock back and forth squarely on its axis, so it only depresses one set of contacts. I ordered a replacement for $70...yowzers!
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Old 08-02-2005, 02:47 PM
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Fix

Doc here,

Thanks For posting back (the expensive) Fix...

May help the next guy...

Doc
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