'17 Impala was totaled. Replaced with a'18. Horn Issue - Chevy Impala Forums
Automotive Discussion General automotive related discussion only.

User Tag List

  • 1 Post By Joes74challenger
LinkBack Thread Tools Display Modes
post #1 of (permalink) Old 12-16-2018 Thread Starter
Junior Member
BillR.'s Avatar
Join Date: Dec 2018
Posts: 1
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 1 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
'17 Impala was totaled. Replaced with a'18. Horn Issue

Thanks for reading.
The horn is very hard to hear.
Thinking about installing another but not a train, truck or paddle wheeler type. Just need one that is louder.
Anybody else done this?
BillR. is offline  
Sponsored Links
post #2 of (permalink) Old 12-16-2018
Senior Member
plano-doug's Avatar
Join Date: Aug 2009
Location: Plano, Texas
Posts: 2,438
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 354 Post(s)
Thanks: 130
Thanked 357 Times in 333 Posts
Originally Posted by BillR. View Post
Thanks for reading.
The horn is very hard to hear.
Thinking about installing another but not a train, truck or paddle wheeler type. Just need one that is louder.
Anybody else done this?
Make sure your current horn is working correctly. There are two elements, usually G# and B, which comprise a minor 3rd, making the sound just a little more irritating than a major 3rd would be

I've had to replace the horns on my truck recently - that's how I learned these fun facts to know and tell

In your case, I would start by making sure both elements are driving. Each one has a terminal on it which can be removed by squeezing it to release the lock, then sliding it. Remove one wire, then see if the horn still sounds the same, or is softer. Then test the other. It may be that you have one element which has failed, which will reduce the overall volume.

If one is found to be not working, or if either of them is extra soft, I would take it to the dealer - it should still be under warranty.

If both elements are working, but are soft, there could be a wiring issue, such as a bad relay, but again, that should be covered under warranty.

To isolate a wiring issue, you want to test the elements by bypassing the existing wiring. Disconnect the wire from each element, one at a time, and jumper it directly to the battery. You want to check if it's louder this way, or if it sounds the same.

The ones I put in my truck were touted as being extra loud, but otherwise stock. I got them from Napa. But I didn't see anything listed there specifically for your 2018 Impala. (Altho Napa may indeed have some units which can be used - I got 638 hits listed as "universal" - I bet some of them will work, but haven't yet been linked in the database as crosses.)

Rockauto does list horns for the Impala. I found these two items to be interesting:

STANDARD MOTOR PRODUCTS HN17 {#72102E} Intermotor; High Output, High Tone

STANDARD MOTOR PRODUCTS HN18 {#72112F, HN18T} Intermotor; High Output Low Tone

These are both listed as "High Output". My experience is that means about +3dB, which is louder, but not extraordinarily louder.

Anyway, I would run it by the dealer first to be sure they're working properly. And if they're still not satisfactory, then consider aftermarket.

One last thought - if you can find a decent place to mount them, you could add another set of horns in addition to the stock ones. Just add some wires from the current horns over to the new ones.





If your socket set is all the same brand, you might be a city slicker.


Last edited by plano-doug; 12-16-2018 at 06:02 PM.
plano-doug is offline  
post #3 of (permalink) Old 12-17-2018
Senior Member
Joes74challenger's Avatar
Join Date: Apr 2016
Location: Fort Wayne
Posts: 1,290
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 251 Post(s)
Thanks: 30
Thanked 122 Times in 118 Posts
i had a 95 buick park avenue and i loved that horn. was decently loud and a good tone to it. i actually thought about putting it on my impala at one point lol.
plano-doug likes this.
Joes74challenger is offline  
Sponsored Links

Related Threads
Thread Thread Starter Forum Replies Last Post
2007 Impala strange TPMS issue Velislide Chevy Impala 8th Gen Discussion 4 09-26-2017 06:22 AM
2003 Impala Ls startup issue juskii Chevy Impala 8th Gen Discussion 0 08-24-2017 05:56 PM
2006 Impala Radio Issue dswartzendruber Mechanical and Electrical Problems 1 08-24-2017 03:00 PM
2011 Impala HVAC issue SAGeorge Introductions & Welcome Forum 1 08-18-2017 07:37 AM
2011 Impala LTZ HVAC issue SAGeorge Automotive Discussion 1 08-18-2017 04:05 AM

Quick Reply

Register Now

In order to be able to post messages on the Chevy Impala Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome