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2000 Cadillac Seville SLS

Tiny
2000 CADDY SEVILLE
  • MEMBER
  • 2000 CADILLAC SEVILLE
  • V8
  • FWD
  • AUTOMATIC
  • 154,258 MILES
I have a 2000 Cadillac Seville SLS. I changed the alternator an every since then when I turn the key to the first on position I can hear the fuel pump running constantly. And when I turn it to the next position before startup the car message board says service electrical system will taking the battery cable loose fix this problem. And I also heard it could be my crankshaft sensor. Help
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Sunday, July 24th, 2011 AT 9:04 PM

7 Replies

Tiny
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  • MECHANIC
  • 3,544 POSTS
See if the parts store will read your codes. You will need this done.
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Monday, July 25th, 2011 AT 1:04 AM
Tiny
2000 CADDY SEVILLE
  • MEMBER
  • 4 POSTS
But I cant get the engine to turn over
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Wednesday, July 27th, 2011 AT 5:36 PM
Tiny
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You need to check for start signal at the ingnition switch on the steering column. Thats where you start.
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Wednesday, July 27th, 2011 AT 6:52 PM
Tiny
2000 CADDY SEVILLE
  • MEMBER
  • 4 POSTS
Ok but. When I turn the key on it says service theft system. From experience I kno some cars will disable power to the starter if it reads attempted theft. Does this comply on this vehicle if so how can I disable the theft system to get the car started
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Wednesday, July 27th, 2011 AT 9:28 PM
Tiny
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This is a key cylinger fault.
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Wednesday, July 27th, 2011 AT 9:39 PM
Tiny
2000 CADDY SEVILLE
  • MEMBER
  • 4 POSTS
So in other words I have to get another key made
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Wednesday, July 27th, 2011 AT 9:44 PM
Tiny
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  • MECHANIC
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You need to get the ohm reading from the key chip and buy a resister of same value from radio shack. Find the orange harness at the base of the steering column. With 2 white wires in it. Put the reister across the 2 white wires. It will start then the key cylinder is bad.
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Wednesday, July 27th, 2011 AT 10:46 PM

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