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05-17-2008, 03:10 AM
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#1 |
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Alright Alright Alright
Join Date: Mar 2004
Location: Midland, Texas
Posts: 1,672
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blinker malfunction
lastnight i noticed that the left blinker light came on and stayed on in side the truck. i assumed that one of my lights was out. both lights are good, but the inside light stays on and the blinker doesnt work on that side. what could cause this?
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1972 Cheyenne Chevrolet red and white 357ci, Vortec heads, GM Performance high rise intake, Comp 268H .454/.454 218/218 110 LSA Quadrajet carb, Flowtech headers, 2.25 40 series HEI, Curve kit, TH 350, 3.07 gears 275/60/15s on 15x8 rallies |
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05-17-2008, 03:19 AM
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#2 |
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huh?
 
Join Date: May 2000
Location: Washington, Illinois
Posts: 5,690
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Re: blinker malfunction
I believe that's a common problem when there's a bad ground, hopefully someone can back me up on this.
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Someday when I'm lonely, Wishing you weren't so far away, Then I will remember Things we said today. RIP El Jay |
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05-17-2008, 03:44 AM
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#3 |
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Active Member
Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: blinker malfunction
Ground problems do cause a lot of weird problems.. I can attest to it cause it's happened to me...
In your case though, we may need some more info. Did the problem come up all of a sudden? Like, did it work one minute and then failed without you removing or doing any work on the truck? If it just all of a sudden stopped working right and if your blinker works on the other side, I'd still supect the light bulbs or sockets. Make sure they're clean and have no rust. Do some swapping to make sure. Last edited by 68gmsee; 05-17-2008 at 03:44 AM. |
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05-17-2008, 03:57 AM
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#4 |
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huh?
Join Date: May 2000
Location: Washington, Illinois
Posts: 5,690
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Re: blinker malfunction
Oh, also wiggle the turn signal switch around a bit perhaps? My 67 panel truck would have a turn signal light stay on when the headlights were on, when you wiggled the switch around, it'd go off. Just another idea.
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Someday when I'm lonely, Wishing you weren't so far away, Then I will remember Things we said today. RIP El Jay |
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05-17-2008, 06:46 AM
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#5 |
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Alright Alright Alright
Join Date: Mar 2004
Location: Midland, Texas
Posts: 1,672
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Re: blinker malfunction
ill have to give it a look over. something weird i noticed, when i have the lights off, the blinker works but the lights inside the gauges and speedo on that side of the gauge cluster flash with the blinker. its weird.
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1972 Cheyenne Chevrolet red and white 357ci, Vortec heads, GM Performance high rise intake, Comp 268H .454/.454 218/218 110 LSA Quadrajet carb, Flowtech headers, 2.25 40 series HEI, Curve kit, TH 350, 3.07 gears 275/60/15s on 15x8 rallies |
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05-17-2008, 07:14 AM
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#6 |
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Gone to greener pastures
Join Date: May 2007
Location: Gateway to the Delta
Posts: 7,354
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Re: blinker malfunction
Check your grounds.
Bad grounds can do weird sh............, uhhhhhhh, stuff. Back in the day I had a fiberglass buggy on a VW pan, so everything had to be grounded to the chassis,via a wire, one way or the other. The tail lights were grounded to the fan housing with 2 sheet metal screws, 1 right side, 1 left. The right side screw would back out a bit, and when it did; I'd hit the brakes and the right front turn light would come on. After I finally tracked the problem down, it was easy to fix. This is just an example of how crazy these grounding issues can be.
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'69 Chevy 1/2 T LWB Stepper: Daily Beater '72 GMC 3/4 T Fleet: Another Daily Beater '72 Plymouth Gran Coupe: ? "Ah women. They make the highs higher and the lows more frequent." Friedrich Nietzsche "Never kick a fresh turd on a hot day." Harry S. Truman GUN CONTROL: Never having to say, "I missed you." Always fire two warning shots into your attacker's chest area before putting a bullet between his eyes. Paraphrased from Louis Awerbuck |
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05-17-2008, 09:50 AM
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#7 |
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Alright Alright Alright
Join Date: Mar 2004
Location: Midland, Texas
Posts: 1,672
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Re: blinker malfunction
i pride myself on being a good mechanic, but im lost when it comes to non-engine related electronics. ill give it a ganders peek tomorrow and ill let yall know.
__________________
1972 Cheyenne Chevrolet red and white 357ci, Vortec heads, GM Performance high rise intake, Comp 268H .454/.454 218/218 110 LSA Quadrajet carb, Flowtech headers, 2.25 40 series HEI, Curve kit, TH 350, 3.07 gears 275/60/15s on 15x8 rallies |
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05-19-2008, 11:33 PM
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#8 |
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Registered User
Join Date: Apr 2008
Location: Northern Neck, Virginia
Posts: 10
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Re: blinker malfunction
I was doing some dash work the other day and noticed after I was done I had the same problem with both turn signals. Havent had time to get back to it yet.
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05-20-2008, 02:29 AM
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#9 |
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member #16
 
Join Date: Dec 1999
Location: Yuba City Ca.
Posts: 3,618
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Re: blinker malfunction
Check the ground and the bulb socket ground to the housing. Had it happen on front lights.
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john http://67-72chevytrucks.com/vboard/showgroups.php board vendors  http://www.flickr.com/photos/1745471...7602865984234/ |
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05-20-2008, 03:20 AM
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#10 |
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Active Member
Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: blinker malfunction
Hey, crm, not sure if this will help you or if this is your problem, but this post talks about what happened to me a few months ago.
http://67-72chevytrucks.com/vboard/s...d.php?t=284861 |
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05-20-2008, 03:25 AM
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#11 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: blinker malfunction
Double check the bulbs. That is supposed to be a feature telling you that a bulb is out.
Hit the 4 way flashers and walk around the truck seeing if one of them isn't lighting up... both front and rear, side markers don't matter. |
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05-20-2008, 03:48 AM
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#12 |
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Registered User
Join Date: Oct 2007
Location: Garageless, Missouri
Posts: 408
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Re: blinker malfunction
Check that correct bulbs are in proper socket. Check clocking of retaining pins.
Most rear lamps will take 1156 or 1157 (dual element round socket) bulbs. If another bulb installed it will back feed all over the place making other bulbs light and some not to. It is all about the ground also.
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R.I.P ESLL Even as the body dies the spirit lives on in the people you touched |
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05-20-2008, 03:56 AM
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#13 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: blinker malfunction
1156 is back up, 1157 is tail lights, and front parking lights
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05-20-2008, 08:05 AM
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#14 |
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Alright Alright Alright
Join Date: Mar 2004
Location: Midland, Texas
Posts: 1,672
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Re: blinker malfunction
well i looked at the front driverside blinker and the socket has cracked and broken free from the housing. do they make repo ones?
__________________
1972 Cheyenne Chevrolet red and white 357ci, Vortec heads, GM Performance high rise intake, Comp 268H .454/.454 218/218 110 LSA Quadrajet carb, Flowtech headers, 2.25 40 series HEI, Curve kit, TH 350, 3.07 gears 275/60/15s on 15x8 rallies |
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