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Mercedes Benz
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1973
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280
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Repair and Diagnosis (Single Page)
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Engine Performance
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Ignition System
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MERCEDES-BENZ 280 & 280C Engine Modification
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Testing
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Checking Ignition Switch-Over Valve
Checking Ignition Switch-Over Valve
Supply 12 volts to plug of switch-over valve. Valve should noticeably switch.