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Car Forum / Chevrolet / Chevrolet Malibu / April 2008Horn Relay
Recently my horn stoped working. Yesterday I measured the connections to the horn relay and found the 12volts is measuring 10.4v. I verified the battery and other relays to have 12-volts, but this is the only one to have less voltage. Does anyone know why? Does Chevy use a separate circuit or different ground causing a difference in voltage? Thanks in advance. > Recently my horn stoped working. > [quoted text clipped - 9 lines] > > Thanks in advance. I suspect that you are using a digital voltmeter, probably the worst device ever used for electrical troubleshooting. When you measure an open circuit with a digital voltmeter, slight leakages will usually cause some insignificant voltage to be read. In troubleshooting, you either have power or you don't. In your case, you don't, and you need to check accordingly. If you want a good troubleshooting tool, get a 12V test lamp. Don Young |
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