1995 Buick Century Electrical problem help

Tiny
BRAIZY
  • MEMBER
  • 1995 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 56,000 MILES
Good afternoon,

My fiancee owns a 1995 Buick Century. Recently she was driving, arrived at her location and turned the vehicle off. No more then 2-5 minutes later after not having any trouble at all she tried to start the car and the car would not crank over, and it makes absolutely zero noise in terms of trying to start. The first thing that I attempted to do was jump start the car, thinking maybe the battery was week and she had maybe left in interior light on. Even with a jump, nothing. I had the battery tested - Good battery, however it does need a small charge. While trying to fix the problem, I've noticed; when the key is turned to the on/start position all of the dash light, and the radio comes on. The power windows do roll up and down, however the power locks will not lock / unlock. I have also checked every fuse in the vehicle, all checked out fine. I've pretty much ruled the battery out. I'm leaning more towards; Starter, Altenator, or ignition switch. Any advice?
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Thursday, August 12th, 2010 AT 1:18 PM

5 Replies

Tiny
JDL
  • EXPERT
The purple wire at the starter solenoid S terminal, should be hot with the key in the crank position. Is it? Did you try cranking in neutral? Some of the national brand autostores will test the starter for you, if you want to take it off and take it to them.


http://www.2carpros.com/forum/automotive_pictures/170934_century_starter_circuit_1.jpg

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Thursday, August 12th, 2010 AT 2:20 PM
Tiny
BRAIZY
  • MEMBER
Thanks for the prompt response. No, I haven't checked the solenoid on the starter yet. I spent a little time trying to get it worked out, but have taken a break from it as I have been busy with other things. Tomorrow morning however I hope to be hard at it.

I purchased a test light the other evening, only to find out it was defective right out of the box! I plan to use a different battery that I know is in 100% working condition. If no change takes place, I will move to the starter. If all checks out, I will re-check all fuses with a working test light rather then just visually looking at them. If all checks out, I will check for a break in the fusible like to the starter. Hopefully somewhere in those areas I will find the problem. If not I will probably lean towards taking you up on your suggestion is the starter doesn't test out good with the light. From the I'll move to the ignition switch. Any other suggestions?
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Friday, August 13th, 2010 AT 10:35 PM
Tiny
BRAIZY
  • MEMBER
Okay, so I have been hard at it most of the day. I purchased a new test light, and checked the purple wire going to the starter solenoid. Tested fine. I even removed the starter from the car and had it tested just so I could rule that out.

I have also tested, every fuse in the fuse box. I found five fuses that didn't show anything using a testlight ; LOCKS, INST LPS, CIG LTR, STOP HAZ, and CTSY. I tried replacing the fuses that weren't testing good with fuses that I knew worked - still nothing. I then probed the terminals that the fuses plug into and still nothing. I did notice however, one of the 5 amp fuses that was reading good was atcually for the door locks, that I had earlier sad weren't working.

I also tested the ignition switch on both sides of the plug Under the dash. Every wire that should light up, did. The only other thing I know to do is to get a meter and test them that way to hopfully find a broke wire! Any other suggestions? I'm really confused and need this car running as it is a major asset in our house at the moment. Any other tips would be greatly appreciated.

Thanks in advance,

-Justin Guinn
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Saturday, August 14th, 2010 AT 7:07 PM
Tiny
JDL
  • EXPERT
Maybe a poor ground?
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Saturday, August 14th, 2010 AT 8:20 PM
Tiny
BRAIZY
  • MEMBER
Searched the entire car, top to bottom, front to back for a loose or bad ground connection. No luck. After messing with it for several hours yesterday afternoon, into the evening and doing many things that didn't need to be done, I found the problem.

It turned out to be a bad fusiable link. Got up this morning and went to the salvage yard, located a good one from an earlier modle buick and swaped them out. I would have waited and purchased a new one from the dealer, however I figured being that it was what it was, it would either work, or it wouldn't. A simple visual check can determine a defective fuisable link. Another reason why I went to the salvage yard was because it wasn't just the "male" end of the connector that needed to be fixed. Both the male and female ends where melted as if they were over loaded some how and burned up. I seen probably 3 other buicks at the salvage yard with the same problem. The car is running perfect again. I really apprecaite your help and suggestions. I hope this problem and solution can be of help to anyone else that has this problem in the future.

Thank again, very much.

-Justin Guinn
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Sunday, August 15th, 2010 AT 6:02 PM

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