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Blinker light goes on when lights go on #2895767
03/04/21 06:16 PM
03/04/21 06:16 PM
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South San Francisco, Ca
70sixpkrt Offline OP
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When I turn on the parking lights, I noticed that my right turn signal light on the dash goes on and stays on. Does not flicker. When I turn on the right blinker it works. When I turn off the right blinker, the turn signal light stays on (not flicker) on the dash. If I turn off the parking lights, the turn signal light on the dash goes off. Does this sound like a bad turn signal switch in the column? I have done nothing to the car. Just started to do it this morning.


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Re: Blinker light goes on when lights go on [Re: 70sixpkrt] #2895799
03/04/21 07:40 PM
03/04/21 07:40 PM
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New State
kidmopar Offline
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"Does this sound like a bad turn signal switch in the column?" ....... yes

Re: Blinker light goes on when lights go on [Re: kidmopar] #2895804
03/04/21 07:48 PM
03/04/21 07:48 PM
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UPPER MICHIGAN, MARQUETTE COUN...
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No. It sounds like either a bad ground or feedback one of the bulbs on that side. Go to either the front or rear and remove the bulbs. If the problem goes away that is the problem area. If it does the same go to the other end and try the same with the bulbs.

Last edited by NITROUSN; 03/04/21 07:51 PM.
Re: Blinker light goes on when lights go on [Re: NITROUSN] #2895813
03/04/21 08:10 PM
03/04/21 08:10 PM
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South San Francisco, Ca
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Originally Posted by NITROUSN
No. It sounds like either a bad ground or feedback one of the bulbs on that side. Go to either the front or rear and remove the bulbs. If the problem goes away that is the problem area. If it does the same go to the other end and try the same with the bulbs.

Actually you might be on to something. My left front side marker pig tail is bad.


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4-speed
3:54 Dana
13.01 @107.93 with street tires (not hooking up)
Re: Blinker light goes on when lights go on [Re: 70sixpkrt] #2895834
03/04/21 09:08 PM
03/04/21 09:08 PM
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Western Colorado High Desert
moparmarks Offline
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Yep, chances are it's a ground issue on a park, tail or side marker light.

Last edited by moparmarks; 03/04/21 09:09 PM.

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Re: Blinker light goes on when lights go on [Re: moparmarks] #2895872
03/04/21 10:54 PM
03/04/21 10:54 PM
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So Near, Yet So Far
topside Offline
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I've had that before, and it was a bad ground.

Re: Blinker light goes on when lights go on [Re: topside] #2896564
03/06/21 07:39 PM
03/06/21 07:39 PM
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Mr T2U Offline
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i had the same problem when i first built my 72 Roadrunner.
it was a bad ground with the front turn signal housing.


perception is 90% of reality
Re: Blinker light goes on when lights go on [Re: Mr T2U] #2896669
03/07/21 07:29 AM
03/07/21 07:29 AM
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Medina, Ohio
HEMICUDA Offline
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I also just when thru this on a customers Nash Bridges #1 car, thx to my very good friend Jim at JS Restorations and his wealth of knowledge, he suggested a bad parking light bulb. Yep, he was correct yet again, thx Jimmy.

Re: Blinker light goes on when lights go on [Re: Mr T2U] #2896822
03/07/21 04:59 PM
03/07/21 04:59 PM
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South San Francisco, Ca
70sixpkrt Offline OP
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Originally Posted by Mr T2U
i had the same problem when i first built my 72 Roadrunner.
it was a bad ground with the front turn signal housing.

Bingo. That was the problem. Thank you


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4-speed
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13.01 @107.93 with street tires (not hooking up)
Re: Blinker light goes on when lights go on [Re: 70sixpkrt] #2898302
03/11/21 10:35 PM
03/11/21 10:35 PM
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It's a dry heat
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Mine does same thing,,, BUT only At times.

Right lamp in the dash is on but dim. head lights or just park lights on. makes no difference if I flip the turn signal to either side. No changes.

left turn signal works fine. when flip to right side the front and rear lights work as normal. But the right turn signal lamp in the dash stays illuminated . It does not blink when flipped to right side, yet the outside light flashes normal

Ive changed all 4 bulbs both front and rear both sides of the car, Twice. with no change .

issue on mine is the issue comes and goes

Re: Blinker light goes on when lights go on [Re: gtx6970] #2898393
03/12/21 11:54 AM
03/12/21 11:54 AM
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South San Francisco, Ca
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Originally Posted by gtx6970
Mine does same thing,,, BUT only At times.

Right lamp in the dash is on but dim. head lights or just park lights on. makes no difference if I flip the turn signal to either side. No changes.

left turn signal works fine. when flip to right side the front and rear lights work as normal. But the right turn signal lamp in the dash stays illuminated . It does not blink when flipped to right side, yet the outside light flashes normal

Ive changed all 4 bulbs both front and rear both sides of the car, Twice. with no change .

issue on mine is the issue comes and goes

I would loosen all the blinker and side marker housings and then retighten them. My problem was a loose front blinker housing not getting a good ground.


[img]http://www.imgur.com/hxlGUJt.gif[/img]
4-speed
3:54 Dana
13.01 @107.93 with street tires (not hooking up)
Re: Blinker light goes on when lights go on [Re: NITROUSN] #2898451
03/12/21 02:00 PM
03/12/21 02:00 PM
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Bend,OR USA
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Originally Posted by NITROUSN
No. It sounds like either a bad ground or feedback one of the bulbs on that side. Go to either the front or rear and remove the bulbs. If the problem goes away that is the problem area. If it does the same go to the other end and try the same with the bulbs.
iagree scope
I had similar problems with one driving light turn signal bulb installed wrong on a car I took in trade shruggy


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Blinker light goes on when lights go on [Re: 70sixpkrt] #2898503
03/12/21 05:01 PM
03/12/21 05:01 PM
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Dry Heat AZ
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Dry Heat AZ
Originally Posted by 70sixpkrt
Originally Posted by gtx6970
Mine does same thing,,, BUT only At times.

Right lamp in the dash is on but dim. head lights or just park lights on. makes no difference if I flip the turn signal to either side. No changes.

left turn signal works fine. when flip to right side the front and rear lights work as normal. But the right turn signal lamp in the dash stays illuminated . It does not blink when flipped to right side, yet the outside light flashes normal

Ive changed all 4 bulbs both front and rear both sides of the car, Twice. with no change .

issue on mine is the issue comes and goes

I would loosen all the blinker and side marker housings and then retighten them. My problem was a loose front blinker housing not getting a good ground.


Becoming handy with a multimeter will be your friend and allow you to pinpoint what works or doesn’t, without disassembly

Re: Blinker light goes on when lights go on [Re: 70sixpkrt] #2898557
03/12/21 08:00 PM
03/12/21 08:00 PM
Joined: Jun 2003
Posts: 21,342
It's a dry heat
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Originally Posted by 70sixpkrt
Originally Posted by gtx6970
Mine does same thing,,, BUT only At times.

Right lamp in the dash is on but dim. head lights or just park lights on. makes no difference if I flip the turn signal to either side. No changes.

left turn signal works fine. when flip to right side the front and rear lights work as normal. But the right turn signal lamp in the dash stays illuminated . It does not blink when flipped to right side, yet the outside light flashes normal

Ive changed all 4 bulbs both front and rear both sides of the car, Twice. with no change .

issue on mine is the issue comes and goes

I would loosen all the blinker and side marker housings and then retighten them. My problem was a loose front blinker housing not getting a good ground.


Did that. as well as loosened and retighten tail light housing AND both quarter ext hsgs .
Loosened and tightened both front park lamp assy and even the top of the grille to body screws.
using alligator clips attached separate grounds to each tail light socket to body

Loosened and tightened the screws that attach the instrument cluster assy to dash frame
retightend dash frame to A pillar bolts

All = no change

like I said, it comes and goes.
Drove it in to work this morning and all worked perfect

Re: Blinker light goes on when lights go on [Re: gtx6970] #2898633
03/13/21 12:54 AM
03/13/21 12:54 AM
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Jefferson State
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srt Offline
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I had a similar problem in the 70's
Check the wire bundle running under the body. had a chafe that would hit and make contact, then move and disappear. Took weeks to figure out. Check anyplace thare is a clip holing the bundle and where it goes through the pan and also at the connector at dash steering column support.

Re: Blinker light goes on when lights go on [Re: srt] #2898650
03/13/21 06:49 AM
03/13/21 06:49 AM
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Port Huron, Michigan
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Could be a ground not clean enough or tight enough, worn insulation making contact with the wire and metal somewhere, could also be a broken wire making contact on and off somewhere. We had that issue with our cable coming into the house. I know it's not a car, but same concept. It was a broken wire and when it was windy or a squirrel ran across, it would move it enough to lose connection.

Re: Blinker light goes on when lights go on [Re: MI_Custumz] #2898733
03/13/21 12:46 PM
03/13/21 12:46 PM
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Rio Linda, CA
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I'm surprised nobody has mentioned the possibility of low blinker fluid. whistling


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Re: Blinker light goes on when lights go on [Re: 70sixpkrt] #2898828
03/13/21 08:03 PM
03/13/21 08:03 PM
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Hamtramck, PA
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Normal.

That happens with a bulb or socket issue, a bad wire can do it too.

I first ran into that when I was 16.

Pulled the bulb and the filament looked perfect.

Tested the bulb for continuity and it failed.

Replaced it and all was well.

I have also found in the last few years that some brand new bulbs fail the continuity test.

So even if it looks good, test it if there is an issue.

Re: Blinker light goes on when lights go on [Re: gtx6970] #2914342
04/24/21 01:58 PM
04/24/21 01:58 PM
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Milan Ohio
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Sounds like a ground problem to me







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