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Message started by RTC on 10/10/10 at 22:25:53

Title: quick flashing bulb signals
Post by RTC on 10/10/10 at 22:25:53

riddle me this... this has been going on for a while but i never got around to posting. a few months ago i put on a rear light kit from BCB. the turn signals are bulb type and the tail/brake/license light is LED. For a few days the turn signals operated normally then they started blinking fast. At first they only blinked fast when the throttle was on. I have replaced the right bulb twice and right now it operates normal but the left blinks fast most of the time except at idle when it blinks slow and fast intermittently. Any ideas?
BTW, the front signals are stock

Title: Re: quick flashing bulb signals
Post by Yonuh Adisi on 10/11/10 at 11:12:45

The LEDs draw less power and fools the relay into thinking that a bulb is out which causes the fast blinking. There are many posts concerning this very problem. If I remember correctly, folks just swapped the relay and the problem was corrected. But I don't remember what they swapped it with.

Title: Re: quick flashing bulb signals
Post by Serowbot on 10/11/10 at 11:27:25

...an electric flasher, instead of the stock thermal type... You can get one at your local auto parts store... Bring your old one to match up connections...

Title: Re: quick flashing bulb signals
Post by RTC on 10/11/10 at 13:02:28

ok but only my tailight is LED, the signals are bulb type....same issue? i thought they were on a different circuit or something

Title: Re: quick flashing bulb signals
Post by babyhog on 10/11/10 at 13:14:54

have you checked all your connections, loose or shorted wires?
been wet? corrosion at bulb stems maybe?

intermittent problem sounds like wiring issue to me.

Title: Re: quick flashing bulb signals
Post by Boule’tard on 10/11/10 at 13:38:25

I think the reason the problem is intermittent is because you've got half of the circuit on incandescents and half on LEDs. The overall resistance of the circuit is right on the line.. the available voltage rises slightly when your engine is revved up, which lowers the current drawn by the flasher circuit, tripping it into fast blink. I would guess it works fine when the engine isn't turning over at all (that is a good way to check this theory).

You need a flasher that blinks at the same rate regardless of current drawn. The model LFS-1 here (http://www.superbrightleds.com/cgi-bin/store/index.cgi?action=DispPage&Page2Disp=%2Fflashers.htm) should do it, but check and make sure the Savage's flasher is the 2-wire kind.

Title: Re: quick flashing bulb signals
Post by RTC on 10/11/10 at 20:18:35

5C514B525B4A5F4C5A3E0 wrote:

yeh i actually ordered that thing the other day and then thought wait...i dont have LED signals. i should get it here in a couple days so i'll give it a shot...thanks