Old old Ford F250(1978), horn doesn't work, neither does gas or odometer (but I'm looking for fixes for the horn)

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Marvin

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Posted on May 18, 2011

Marvin

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Chances are the horn is burnt out, the gas gauge will require a new fuel tank gas gauge sending unit and the odometer will require the speedomenter be removed and sent out for repair, the little gear drive for the odometer is broken

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Marvin May 18, 2011

These answers are based on the fact that you have not mentioned any repairs that you have attempted to fix these problems, my solutions are based on my 25 years at a large Ford dealer as a service tech.
Anonymous May 18, 2011

Sorry for the lack of detail. I just inherited this truck, and I know it's had maintenance on it, but I don't know what has been done to it at all, this is my first try at trying to repair it, and I know pretty much nothing about fixing cars, but figured I'd try anything that might work.
Marvin May 18, 2011

Go to the horn and have someone press the horn button, you should have 12 volts at the horn connector.

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