Headlights and horn not working
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=74382
Printed Date: May 03, 2024 at 5:03 AM
Topic: Headlights and horn not working
Posted By: eddiefromcali
Subject: Headlights and horn not working
Date Posted: March 13, 2006 at 12:17 AM
Had a 791xv installed a couple weeks ago on my 05 Chevy Crew Cab and now my horn and low-beams dont work. Fuses are fine, switched relays on the low/hi beams and still no luck. What should I look at?
Replies:
Posted By: dea,can
Date Posted: March 13, 2006 at 2:26 AM
Was it done by a shop if it was take it back let them figure it out.things worked fine before it was installed.
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dragon
Posted By: candy&chrome
Date Posted: March 13, 2006 at 6:11 AM
i would find out if the install shop used a data module that may not pertain to your year of truck, sometimes the data modules that are for a different series of gm vehical can un-intentionally do things like that. other than what you said you checked, i think just checking the fuses under the hood, if you hadn't done that already.
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canada's cold eh.
Posted By: eddiefromcali
Date Posted: March 13, 2006 at 6:40 PM
Alarm was installed at a shop. Will probably take it tomorrow. They used a 555L (I think) and a door lock module (so the locks would work with the alarm). What "data module" are you talking about?
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2005 Chevy CC 2wd
Posted By: xscash
Date Posted: March 13, 2006 at 6:45 PM
remove and replace batt. cable. this will reset the cpu and sometimes correct the prob.
Posted By: eddiefromcali
Date Posted: March 14, 2006 at 11:47 AM
will do that today. but that wont fix the problem will it?
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2005 Chevy CC 2wd
Posted By: xscash
Date Posted: March 14, 2006 at 7:51 PM
no but could correct it until you have a chance to bring it in.
Posted By: eddiefromcali
Date Posted: March 19, 2006 at 12:12 AM
UPDATE!!!
Turns out both low beam bulbs went out at the same time..its kinda weird but the lights were old. I swapped out the silvestars on my 03 when I traded it in for my 05. But I did replace them with cheapies just to make sure it isnt the alarm blowing them. If the lights hold up for 2 weeks Im gonna install new silverstars. The horn turned out to be a bad connection I guess. I took it to the dealer and they cleaned the connector and it worked. It all seemed to point to the alarm because it happened a bit after it was installed and it all happened on the same night...but I guess it was just a coincidence. Thanks for all the help!
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2005 Chevy CC 2wd
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