How do flashers work?
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Elder User
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From: Texas
How do flashers work?
I was buying a new flasher for my truck. I noticed that one was electric (clear housing with gizmos inside) and the other was thermal (silver ?aluminum? housing). I could visualy see how the electric one works, no brainer. But how the heck would a thermal one work?
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From: Houston
Lead Driver
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From: On the road in Ohio
i figured a engineer would jump in and tell us about thermo heat build up at the copper tip causes resistsants in the disculmbobulator while flashing at a numeriatic rate.......oh welll i guess it was just to simple for them..to make it too hard to understand..... . 
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Last edited by f=2504by497; Oct 29, 2004 at 07:20 PM.
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Joined: Sep 2004
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From: Norman,OK
If I wanted to put turn signals on something that didn't have them, all I would have to do is, take a wire from the battery to a swich to a flasher to the light, Right???
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Lead Driver
Joined: Dec 2003
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From: On the road in Ohio
as long as your using them for signal only and not brake lights too.
on edit: the turn signal switch breaks the contact with the brake light circuit with which ever signal is being used...
on edit: the turn signal switch breaks the contact with the brake light circuit with which ever signal is being used...
Last edited by f=2504by497; Oct 29, 2004 at 08:20 PM.
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And as you add lights the flash rate changes (speeds up). Reason being more lights, usually wired in parallel, will draw more current. As the current increases the the thermal element heats faster and increases the flash rate. Most noticeable when you hook up trailer lights.
