Question about 1990 Cadillac Deville
Hello! There are several components that can cause no power to the starter...Lets eliminate...#1...Do you hear a "click" when you turn the key? It is the Starter Enable Relay...Powered by fuse #17 (15A)...The relay is enabled by the Pass Key Decoder Module...
Anti-Theft device...If no click is heard; The fuse is blown, the relay is bad, or the key you are using has a bad chip...#2...If you hear a "click"...The Park/Neutral switch is open/defective...#3...The power cable connection to the starter has a poor connection...
Posted on Oct 04, 2010
Check the battery like this:
Turn on the headlights, then try to start the car.
If the headlights do not dim or go out, then the battery is likely ok.
Check that the battery cable plus post, goes to the starter, Minus post to a good ground, like the engine.
If wiring is ok, then look at the starter solenoid for a good connection, and proper voltage at the starter.
Problem is most likely the Solenoid or starting relay, whichever the car uses.
Hope this helps.
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Posted on Jan 02, 2017
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