Question about Cadillac Eldorado
Hello: Depending on what year, model cadillac, the ECM (engine control module) or the PCM (powertrain control module) provides the ground to fire the injector. To check to see if it is firing you need a node light to connect to the injector and attempt to start the engine and see if the node light illuminates. Using a test light is not recommend as it may require to many amps and destroy the driver in the control module.
Posted on Oct 06, 2010
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Posted on Jan 02, 2017
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