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Old Oct 9, 2024 | 10:18 AM
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77ford250
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Electrical question

I was wondering how I can test my brake light on my gauge cluster on my 1977 Ford f250? Can I send ground or power to the pigtail on the proportional valve
 
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Old Oct 9, 2024 | 11:57 AM
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dlburch
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the ignition switch should provide a ground path for the cluster BRAKE light when the ignition is turned to crank via the prove-out circuit.
 
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