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Loosing hair! Please help

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Old Oct 25, 2002 | 07:55 PM
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From: seattle king
Loosing hair! Please help

:-X23
I've got a '76 F250 Camper Special 2wd. The turn signals don't work with the running lights on. I've replaced the headlight switch, the flasher, two bad sockets and all of the bulbs. I've also checked the grounds at the sockets and all are good. All other bulbs work. The blinkers work fine with the lights off, but as soon as I turn the running lights/headlights on they quit flashing. Am I missing a relay or something? ANY input greatly appreciated!
 
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Old Oct 26, 2002 | 02:43 AM
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Loosing hair! Please help

I hate to say it but that is still sounds very much like a ground problem. Have you checked the grounds at the front and the back sockets?

Sparky
 
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Old Oct 26, 2002 | 10:51 AM
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From: Central Kali
Loosing hair! Please help

When you operate the turn signal switch, does the lamp light but just not flash? If so compare the voltage at the input to the flasher with and without the headlights on.
 
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Old Oct 26, 2002 | 12:30 PM
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From: seattle king
Loosing hair! Please help

Thanks Mike - with the running lights on the flasher filaments don't light at all.
 
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Old Oct 26, 2002 | 12:32 PM
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From: seattle king
Loosing hair! Please help

Thanks Sparky - I've checked all the grounds and am reasonably sure they're operable. Could the two circuits (running lights & blinkers) be shorting together when the running lights are on?
 
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Old Oct 26, 2002 | 02:23 PM
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Loosing hair! Please help

The running lights use 1 filament in the bulb and the flashers the other one. The common point is the ground, each filament uses the same ground at the bulb socket.
When you turn on the lights with the turn signals off does either of the dash turn indicators glow or lite up?

Sparky

 
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Old Oct 26, 2002 | 08:12 PM
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From: Central Kali
Loosing hair! Please help

How about the brake lights? Do they work ok with and without the head lamps on?
 
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Old Oct 27, 2002 | 02:16 AM
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From: seattle king
Loosing hair! Please help

Sparky - upon your advice I rechecked all my grounds and the right front ground was bad. Thanks alot!
 
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Old Oct 27, 2002 | 02:42 AM
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Loosing hair! Please help

No problem glad it is fixed

Sparky
 
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Old Oct 27, 2002 | 09:04 PM
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Loosing hair! Please help

 
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