1990 Buick Century Ignition Danger

Tiny
RJFTMR
  • MEMBER
  • 1990 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 75,000 MILES
I own a 1990 Buick Century Custom, 6cyl. I bought a new battery and 2 new cables. When I attempted to connect the cables to the battery, the engine cranks-trying to start-as if I turned the ignition key. What's wrong?

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Tuesday, May 18th, 2010 AT 9:06 AM

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Tiny
INTERNETMECHANIC
  • MEMBER
I'd take the S terminal loose from the starter solenoid, then test. If it doesn't crank, the circuit for the S terminal is either shorted to voltage or something wrong with ignition switch. The S terminal should not be hot unless key is in the crank position. If it still cranks with S terminal disconnected, I'd have to suspect faulty starter/solenoid.
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Wednesday, May 19th, 2010 AT 12:54 PM

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