Flasher Relay
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2nd Gear
Joined: Aug 2024
Posts: 2
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Flasher Relay
Hello all,
New to the forums. Looking for some help with my truck. 2003 Ford F-250 SD - 5.4L V8
Couple of months ago, the flasher relay behind the stereo wouldn't stop clicking, even with the key out of the ignition.
I took the radio out, replaced the relay with a . But this hasn't stopped the clicking noise.
When I take out fuse #18, 20A* Turn lamps/Brake on-off switch (high), the clicking stops.
Where would you start looking for a short? I'm not very good at car electrical, but I want to try.
Regards,
New to the forums. Looking for some help with my truck. 2003 Ford F-250 SD - 5.4L V8
Couple of months ago, the flasher relay behind the stereo wouldn't stop clicking, even with the key out of the ignition.
I took the radio out, replaced the relay with a . But this hasn't stopped the clicking noise.
When I take out fuse #18, 20A* Turn lamps/Brake on-off switch (high), the clicking stops.
Where would you start looking for a short? I'm not very good at car electrical, but I want to try.
Regards,
1st Gear
Joined: Aug 2024
Posts: 1
Likes: 1
I have the same issue, it's actually drained the battery once. Mine was that the relay was so worn out that it was able to connect with no power energizing the relay. You said you've tried replacing the relay already, but have you tried smacking the old one? That would get mine to stop for a few minutes. If that makes it stop clicking for a few seconds, you probably got a bad relay from Amazon. If that does nothing, then there is probably a bad connection on your turn stalk, since the hazards and the turn signals are usually on different fuses.
With the turn signal fuse out, try turning on your emergency flashers. If the relay energizes and stops once you turn them off, then it is most likely the contacts on the stalk. You'll most likely need to remove the steering wheel and plastic trim on your column to get to it so you can see where the short is happening.
If the hazards didn't turn on, but do turn on when you reinstall the fuse, then check that switch as well.
With the turn signal fuse out, try turning on your emergency flashers. If the relay energizes and stops once you turn them off, then it is most likely the contacts on the stalk. You'll most likely need to remove the steering wheel and plastic trim on your column to get to it so you can see where the short is happening.
If the hazards didn't turn on, but do turn on when you reinstall the fuse, then check that switch as well.
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