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12-22-2021, 03:36 PM | #1 |
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Location: Savannah, Georgia
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No Stop Light On either side
My stop lights on my 39 Ford quit working on both sides.
Wires are plugged into the stop light switch activated by the master cylinder when the brake pedal is applied. I have rear "parking lights" that work on both sides. The stop light switch screwed into the Master cylinder is new as is the master cylinder. Both replaced in August and worked fine up until now. Filaments on one light bulb I checked looks ok. HELP
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12-22-2021, 03:52 PM | #2 |
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Re: No Stop Light On either side
Probably bad switch. Unplug the wires and touch them together, both lights should come on. If so replace the switch.
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12-22-2021, 05:42 PM | #3 |
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Re: No Stop Light On either side
Make a temporary ground from frame / body to the bulb socket.
Bruce
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12-22-2021, 05:56 PM | #4 | |
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Re: No Stop Light On either side
Quote:
x 2! |
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12-22-2021, 06:49 PM | #5 |
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Re: No Stop Light On either side
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12-26-2021, 04:52 PM | #6 | |
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Re: No Stop Light On either side
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Quote:
You Nailed it! I made a jumper between the two wires and Brake Lights came on! Thank you!!! I have a new in the box replacement switch from Bob Drake made in Taiwan. That's the good news! Started unscrewing the bad switch and did not notice that the 3/4' Nut behind it was coming out too! Oh Crap! I got it back in but lost enough brake fluid where the pedal goes to the floor! QUESTION If i hold the 3/4" nut and then unscrew the switch, will I lose more brake fluid? May also need a refresher on adding brake fluid! Any help given will be appreciated!
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12-26-2021, 04:54 PM | #7 |
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Re: No Stop Light On either side
Thanks You nailed it too! May need a little more advice! See my reply above
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12-26-2021, 07:52 PM | #8 | |
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Re: No Stop Light On either side
Unscrew the top and add brake fluid. Probably DOT 3. Changing the switch may entail losing a little more fluid. After loosening the old switch, have the new switch in your hand ready to screw in. A little loss is not a big deal. If the brake pedal goes to the floor, your better off, for safety's sake, to bleed all the wheel cylinders
Quote:
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12-27-2021, 09:02 AM | #9 | |
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Re: No Stop Light On either side
Quote:
Paul 2748 Yes! Thanks I should have been prepared for this. Next time I will ask more questions. Thanks again for the advice. I really don't know what I would do without you all. Thanks to everyone.
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