Phillipe; This is anoying problem that happened to me on a few old radios, works fine for a while, and then misbehaves, in a few cases it was a resistor changing its value. Replace that resistor, preferably with a wire wound one of the correct wattage and resistance, and you won't have the problem anymore. It is obviously there for a reason, don't short it out. Best Regards Arran Foster 1954 Imperial Newport Needing a left side taillight bezel and other trim parts. ----- Original Message ----- From: "Philippe Courant" <accf-club@xxxxxxxxxxxxxxxx> To: <mailing-list@xxxxxxxxxxxxxxxx> Sent: Tuesday, June 03, 2003 10:07 AM Subject: IML: horns > I've some problem with one of the horn of my '57. It's an Autolite. This > horn blows one or 2 times then fails. After a while (2 or 3 mn) it blows > again 2 or 3 (short) times. Etc.. > I remove the cover and try to adjust the small screw: blows again then > fails, i unscrew (or screw) a little the adj. screw and same results... > I've spent 1 hours w/o good results... It seems that when the resistor > is too hot then the horn fails. What's the purpose of this resistor (0.5 > ohm) ? Protection ? Seems that with temperature the value of the > resistor changes so the adjustement goes wrong. > Could i short the resistor (and adjust the sound) w/o burning the coil ? > Note that the 2 other horns work well .. > > -- > > Philippe COURANT (Pau, France)- Webmaster des sites ACCF et C-I-F > Imperial 1957 Crown convertible > Buick 1996 Roadmaster wagon > > - American Car Club de France (ACCF) : http://www.accf.com > > - Chrysler Imperial France (C-I-F) : http://www.ifrance.com/c-i-f > > - Cadillac " Standard of Excellence " : http://www.ifrance.com/accf-cad > > - SportsCars : http://www.ifrance.com/accf-sprtcar > > > > >