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    trucknts's Avatar
    trucknts Posts: 4, Reputation: 1
    New Member
    		  
    #1

    Aug 4, 2007, 08:04 PM
    Dash lights dim when horn activated
    I have a 1993 Chevy Silverado 1500, 6 cylinder. I don't know when it started but I've noticed that the lights dim and/or my speedometer gauge will jump backwards when I hit the horn. FYI I installed a "BAD BOY" horn about 2 months ago which has a air horn type of set up. I don't know the amount of power it uses but I used the same wires that the original horn used.
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
    		  
    #2

    Aug 5, 2007, 05:45 AM
    You'll need a way to check altenator output. Do you get the same symptoms when other loads are added with the horn, ie: turning on the high beams or holding your foot on the brakes (Brake lamps on)?

    It may require a large ampere alternator.

    It's important to know how much the alternator is capable of now that you've added loads. It may be too much.
    Tyler Shane's Avatar
    Tyler Shane Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Jun 17, 2009, 02:14 PM

    Yes get a FORD... they tend to be perfect in all aspects
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