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how to change a turn signal (hazards) relay: 03 honda civic dx

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Old 08-24-2011, 02:39 PM   #1
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Default how to change a turn signal (hazards) relay: 03 honda civic dx

This is for anyone having trouble with their turn signals AND hazards on a 2003 Honda Civic DX. This forum helped me piece most of it together, but some info was missing that I hope this will cover for future relay sufferers.

My signals and hazards were doing all these things, in no order:
blinking a few times then stopping
not turning on
working fine
blinking steadily, then flickering, then steadily, then stopping.

Internet research told me it was an issue with my turn signal relay (which does control your hazards as well - there was some misinformation about this at AutoZone). Then I had a REALLY REALLY hard time finding that turn signal relay in order to change it.

Here is a picture for you, future reader. May you not spend 4 hours looking for it and trying to replace the wrong relay, as I did.

1. it's in your under-dash fuse box. AutoZone will lie to you and have you puzzling over the one under your hood. Don't listen to them.

2. Pop off that panel just under the steering column. So easy! Enjoy things being easy because they won't be after this.

3. Be smart right now and shake out your drivers floor mat. No. really. Also set up a chiropractor appointment if you do that kind of thing.

4. Get down on your knees on the ground. Slide the drivers seat as far back as it will go. Flip over and lay down on your back with your head in the floorboard next to the gas pedal. Great. That's the only way you can do this.

3. Look at that fuse panel. There's a screw on the lower right hand side. It's screwed on really tight. Unscrew it and take the screw out completely.

4. Pull the entire fuse panel down. At the top right, buried under a lot of cables, is that turn signal relay. It is locked in there by some very firm tabs at the top and bottom. I recommend growing a third arm to do this right, but if that isn't an option, try to just jimmy out one tab at a time. You are going to have to pull damn hard.

photos here:
and here:

5. I didn't test this out, but the AutoZone $10 relay was about twice the size as the one that was a tight fit under the dash (I also read that this was an issue for an Odyssey owner who ended up wasting that $10), so I sucked it up and went to the Honda dealership and paid $20.99 for an OEM.

6. Pop the new one in. Yes, those tabs are going to get in the way again, but not as bad. Screw the fuse panel back into place with that lower right screw. Pop that panel back on.

YOU DID IT! Good job.
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Old 05-17-2014, 09:15 AM   #2
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Default Re: how to change a turn signal (hazards) relay: 03 honda civic dx

hello, I registered just to drop you a thank you. I spent awhile under my dash trying to figure how I was going to get to that relay. Everybody else made it sound like it was so easy, but my sore fingertips told me it was NOT going to be easy :-)

Thanks to you I saved quite a bit of time trying to pull out that thing.

Everything is working great now!

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Old 11-06-2014, 11:09 AM   #3
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Default Re: how to change a turn signal (hazards) relay: 03 honda civic dx

Thank you thank you thank you! I don't know how I didn't see that screw to drop the fuse box. It's hard enough getting it out with the box dropped, I spent an hour trying to get it out with it all the way up behind the dash lol. In business now, thanks again!!
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Old 02-08-2015, 01:29 PM   #4
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Default Re: how to change a turn signal (hazards) relay: 03 honda civic dx

Thank you for posting this. Ordered OEM from Honda, had the part replaced in 10 minutes thanks to your post! Not as flexible as I used to be, though!

PS - mine is a 2001 Civic LX manual and no changes needed for the description.
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