04 Silverado has issue with the left turn signal acting like hazards are on - the right signal operates correctly. Any suggestions?

 

check/replace left side bulbs. sounds like one of the filaments is broken, and making contact with the outer. has happened to a lot of people.

good luck

 

happend to me, brake light was out

 

Will check these - thanks for the info!

 

I had same problem and it was the flasher module on back of the fuse pnl. $119 dollars later it was fixed.

 

Well I've checked everything but the flasher module to no avail. Is there a way to check that or suck it up and dish out the cash and pray it fixes it?

 

So I have a similar issue except it’s the right side engages the hazards but my left turn signal works fine , and it does it randomly. 03 Chevy Silverado 1500

 

I'm having the same problem but my left and right are going crazy and my front and tail light all work.

 

do you have a part # for that by chance? I’m having the same exact issue, changed tail lights, tail light wiring changed the circuit board in the back, check all the fuses and even ran through some grounds. When the head lights are off the brake lights work fine and the blinkers do the same thing, but when I turn the head lights on the blinkers won’t work proper they actually make the reverse lights flash as well and the left brake light won’t work.

 

[QUOTE=Darwin Connell;463330]do you have a part # for that by chance? I’m having the same exact issue, changed tail lights, tail light wiring changed the circuit board in the back, check all the fuses and even ran through some grounds. When the head lights are off the brake lights work fine and the blinkers do the same thing, but when I turn the head lights on the blinkers won’t work proper they actually make the reverse lights flash as well and the left brake light won’t work.[/QUOTE

part number GM 10383321 from Amazon. It's around $60. Super easy to replace.