dei 545 headlight problem
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=114536
Printed Date: May 03, 2024 at 9:36 AM
Topic: dei 545 headlight problem
Posted By: search4f
Subject: dei 545 headlight problem
Date Posted: June 18, 2009 at 10:55 AM
I have installed a dei 545i headlight control in a 1991 corolla. When I put the high beams I blow the fuse on the power wire what did I do wrong?:errr:
Replies:
Posted By: Mark Mizenko
Date Posted: June 18, 2009 at 11:18 AM
Can you tell us how it's hooked up, what wires you used. Do you mean the fuse in the power wire for the NiteLite?
Posted By: search4f
Date Posted: June 18, 2009 at 3:51 PM
Im sorry yes the 30amp fuse on the night light is blowing. I got ground from a bolt, ignition from wire in colum i also took constant from under the colum I found a wire that reads hot when i put the head lights on I am thinking this is the wrong wire?
Posted By: hurleyloser
Date Posted: June 19, 2009 at 5:56 AM
use RED / white (-) at the steering column for your low beam headlights you'll also need to change the input for the low beam relay on the DEI 545 to be a ground.
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MECP Master Certified Technician
ASE A6 Certified Technician
Posted By: search4f
Date Posted: June 19, 2009 at 6:08 PM
Thanks I will try this. just to be sure this wire will show ground when the switch is on? how do I test this wire?(just for my education)
Posted By: hurleyloser
Date Posted: June 20, 2009 at 11:56 PM
use a DMM (digital multi meter) you can find this at radio shack, wal mart, sears, etc.
Set it to test for 12v DC, have your red lead on a 12v source such as the battery, fuse box cigarette lighter socket, or ignition harness, pretty much anything with 12v present..
probe the wire in question with the black wire, it should show less than a volt or so with the lights off. when you turn the lights on, a negative ground signal should be sent out through this wire to trigger the lights and thus completing the meter's circuit, showing you 12v when the lights are on.
Get the concept here?
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MECP Master Certified Technician
ASE A6 Certified Technician
Posted By: search4f
Date Posted: June 24, 2009 at 7:39 PM
Thank you and every one else! I follwed advice and finished the car today 
Posted By: hurleyloser
Date Posted: June 24, 2009 at 8:40 PM
great, glad to help, hope it all works.
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MECP Master Certified Technician
ASE A6 Certified Technician
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