bluesfella
Senior Member
Posts: 875
Loc: Tallahassee FL
Reg: 04-07-03
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 10-02-19 05:26 PM - Post#2776944
I put LED tail light bulbs in my '55 - the (1157?) drop-in kind. They are nice and bright. But since the turn signals didn't flash at first, I put an LED flasher in, and thought I was good. But I've noticed a problem:
With the lights on, the turn signals work fine.
With the light off AND the brake lights on (I'm pushing the brake pedal down), the turn signals work fine.
With the lights off, and I'm NOT pushing the brake pedal, the turn signals flash BOTH sides. Either side will do the same thing, flashing both turn signals.
How the heck do I fix that so it will work as designed?
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 acardon
Ultra Senior Member
Posts: 11307
Loc: DFW TEXAS
Reg: 03-25-05
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10-02-19 06:22 PM - Post#2776946
In response to bluesfella
Do the dash turn indicators both flash also? Does the flasher have a ground wire and is it grounded good?
Don
66 Corvair (driving)
57 2dr HT (driving)
56 2dr HT (waiting to be restored)
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bluesfella
Senior Member
Posts: 875
Loc: Tallahassee FL
Reg: 04-07-03
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10-02-19 08:10 PM - Post#2776957
In response to acardon
No, the dash indicators show what the turn signals should be doing, only one blinking at a time.
The new flasher was a plug-in replacement. I didn't add any wires to it.
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bluesfella
Senior Member
Posts: 875
Loc: Tallahassee FL
Reg: 04-07-03
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10-03-19 05:54 AM - Post#2776979
In response to bluesfella
AND, the weird thing is that the front turn signals operate as they should. They aren't LED though.
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acardon
Ultra Senior Member
Posts: 11307
Loc: DFW TEXAS
Reg: 03-25-05
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10-03-19 07:08 AM - Post#2776985
In response to bluesfella
Check that the tail light housings are grounded good to the body (screws tight). What's the part # of the flasher?
Don
66 Corvair (driving)
57 2dr HT (driving)
56 2dr HT (waiting to be restored)
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bluesfella
Senior Member
Posts: 875
Loc: Tallahassee FL
Reg: 04-07-03
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10-03-19 11:16 AM - Post#2777002
In response to acardon
I bought THIS ONE from ebay (Johnnylawmotors).
Here's the stats:
Reference part number: JLM1817690
No-Load LED Tail Light Flasher for Painless Wiring Harness car 12v DC hot rods from Johnny Law Motors...
Body Material :: Plastic
Input Pin :: .250
Output Pin :: .250
of Pins :: 2
Bulbs :: Incandescent or LED
Socket Type :: OEM
Max Lamps :: 10 1156
Volts :: 11V- 15V Normal DC
Flash Speed :: 1.5 Sec or less for 1st Flash
Voltage Drop :: 800 mv at Max Load
Flasher Per Minute :: 60-120
Duty Cycle :: 35% -75%
Feature :: -
Feature :: Fits Factory Socket
Feature :: Plug and Play
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498 chevy
"11th Year" Platinum Supporting Member
Posts: 474
Age: 68
Loc: hayward ca.
Reg: 09-28-07
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10-03-19 01:25 PM - Post#2777007
In response to bluesfella
Thanks for posting this problem. I've put led lights in my 4 dr but not the point of having juice to them. Very interested in why this happened.
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niftyfive
Member
Posts: 183
Loc: Durango, Colorado
Reg: 02-07-05
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10-06-19 08:36 PM - Post#2777229
In response to 498 chevy
I would reinstall the original filament bulbs and ck their operation. The specs on that flasher say its good for incandescent or led. This will confirm or negate that you have a wiring or bulb contact issue.
Jim
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4dr 57
Valued Contributor
Posts: 4636
Loc: Texas Hill Country
Reg: 11-10-04
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11-23-19 03:28 AM - Post#2780805
In response to niftyfive
Id your car run by computer?
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