Dash Turn Signals Stuck On

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Michael Moore

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I just put leds in my 91 GMC and now my turn signal indicators come on with my dash lights. They just stay solid until you turn on your blinker and then they flash but after the blinker is turned off the signals on the dash are still solid. The exterior signals are working just fine. I thought that maybe the leds were affecting it so I pulled them out and put the stock bulbs back in but that did not help. The picture included is with the headlights on but the turn signal arm isn't turned on any direction and neither are the hazards. Any help would be greatly appreciated.

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sewlow

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Try turning the bulbs around in the sockets. Just do one at a time. Flip it around & see if that fixed it. If not, flip it back & try the same on the next one. That way you'll know which one was the prob.
 

Michael Moore

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Try turning the bulbs around in the sockets. Just do one at a time. Flip it around & see if that fixed it. If not, flip it back & try the same on the next one. That way you'll know which one was the prob.
Ill try that but I'm not sure if that would be the problem. If I'm not mistaken leds are polarity sensitive so if they were the wrong way wouldn't they just not light up at all?
 

1500z71

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So you say when you put the stock bulbs in they stay on now just like the LEDs?
 

sewlow

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Ill try that but I'm not sure if that would be the problem. If I'm not mistaken leds are polarity sensitive so if they were the wrong way wouldn't they just not light up at all?

Are they an 1157 type? If so, then they can't be swapped around in the socket.
For some reason I was thinking that they were a 3157.
 

Michael Moore

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Haha! I thought that the prob with the dash turn lights was because you had installed LEDs in the bumper/turn lights!
Still, swapping those 194's around in the socket may fix the prob.
Yea the leds are in the dash. Halogens are in the turn signal housings. I'll try swapping them here in a few minutes.
 

Michael Moore

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Haha! I thought that the prob with the dash turn lights was because you had installed LEDs in the bumper/turn lights!
Still, swapping those 194's around in the socket may fix the prob.
After working on this truck all day I have finally found my problem. Apparently the ever so slightest wiggle of my bumper turn signal bulbs makes the side markers go out and since the side markers are so small I never noticed them go out. Thanks for trying to help me out though sewlow I really appreciate it!
 
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