windsor8 Posted March 9, 2008 Report Posted March 9, 2008 Do I need to use a voltage reducer on stock Mopar 6 volt horns when running a 12 volt system? Quote
Normspeed Posted March 9, 2008 Report Posted March 9, 2008 47Heaven is running 6 volt horns with 12 volt. They are LOUD! Quote
james curl Posted March 9, 2008 Report Posted March 9, 2008 Yes, you will need a 12 volt relay, 12 volts will burn up the windings in the coil if you use the horn much. Quote
teardrop puller Posted March 9, 2008 Report Posted March 9, 2008 I run the horns on 12V, they are loud. I try not to have them on for a long blast. Use a 12V relay. that should be the only change. So far so good. kai Quote
windsor8 Posted March 9, 2008 Author Report Posted March 9, 2008 I started wiring today and just thought about the horns. Quote
Niel Hoback Posted March 9, 2008 Report Posted March 9, 2008 I have done the definitive test for running 6 volt horns on 12 volts. They love it! The pair I am using now was on a 92 Dodge for 5 1/2 years before I moved them in 1998 to a 97 Buick. I use them regularly and even for weddings. They are as dependible as any other P-15 part. They must be wired with #10 wire from the original relay which is excited by a splice from the cars horn wire. Polarity is not a consideration. Before that, I used P-15 horns on an 87 olds and a 76 Newport, but I don't know if it was the same pair I am using now. The point is, they work perfectly, continuously, dependibly, and boy, are they loud! Quote
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