Vintage Fuel Gauge/Sending Unit Testing [Dodge Pickup]

1978 Dodge Power Wagon W150 with a fuel gauge that reads empty all the time. The tests shown in this video can be applied to all Chrylser/Dodge/Plymouth instrument clusters (printed circuit boards) that contain an IVR (instrument voltage regulator) and are using thermostatic gauges. This also includes the engine coolant temperature and oil pressure gauges.

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For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book.
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