[Jremeee]

So this morning I turned on my left signal light. First thing I noticed my green arrows didn't blink on dash. It doesn't make the blink noise either. My front signals blink fast. My rear doesn't flash at all. It was perfectly fine yesterday. Has anyone heard of this?


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[rshadd]

Replace the blown rear turn signal (#3057) bulb.
When one fails, I like to change them both since I figure the other bulb can't be far behind.

 

[Joe canyon]

You need to check the bulbs.

 

[Jremeee]

It's weird that it does not make the click noise or the green arrows don't flash on dash.


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[Supermodulation]

It's weird that it does not make the click noise or the green arrows don't flash on dash.


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Could be
Bad bulbs are sockets
Shorted trailer hitch harness
Shorted led or socket
Short in the tailgate leds if you have them

 

[Jremeee]

Could be
Bad bulbs are sockets
Shorted trailer hitch harness
Shorted led or socket
Short in the tailgate leds if you have them

I had a dealer installed hitch from '05.

Haven't pulled a trailer in 3 years.

I have stock bulbs. No LEDs.

Going to replace bulbs first. Then I'll dig deeper if needed. Thanks!


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[Jremeee]

UPDATE: Replacing bulbs did not fix issue. Time to check fuses and look for a broken wire. Damn, there goes my Friday afternoon!


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[Tweek]

Check sockets at every bulb.. Good luck !!!

 

[Jremeee]

I found a open fuse for "TRN/HAZRD REAR" where do I go now?


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[cart7881]

1. Get some spare 15A fuses.
2. Remove the towing harness from the circuit by disconnecting the two connectors where they attach to the body harness. Make sure to connect the two body harness connectors together.
3. Install new fuse and check to see what happens.

Yes, the fact that the instrument cluster signal is missing is strange. The lights control and the instrument cluster signal come from the BCM. However, the towing harness has a reputation for causing weird problems, especially with the turn signals.

 

[chizzel]

When I painted my rear bumper I found a pinched harness from the factory between the bumper extension and frame rail. Glad I found it because something would of happened in the future. It was on the drivers side.