Electrical

Tiny
JULIUSHOUS
  • MEMBER
  • 1999 CADILLAC STS
  • V8
  • 2WD
  • AUTOMATIC
  • 103,000 MILES
I got an electrical problem, do you know anything about electrical?
Friday, April 29th, 2011 AT 6:00 PM

9 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Do you have a question?
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Friday, April 29th, 2011 AT 6:10 PM
Tiny
JULIUSHOUS
  • MEMBER
  • 5 POSTS
I got an electrical problem, do you know anything about electrical?
If so, hopefully you can assist me by trouble shooting my problem.
I have a problem with my battery, something is drawing the energy out of the unit. My car will start after a jump, but in a few weeks the battery would be drained out and I can't start the car. What is the problem, or should I check for anything?
Ps.
Autozone told me it wasn't the alternator, and I went through numerous batteries.
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Friday, April 29th, 2011 AT 6:29 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
There is a procedure for finding a battery draw like that.

You will need a digital ammeter and a jumper wire with clips on the ends to do this.
First rig any door switches so you can have a door open without triggering the interior lights and unplug the hood light. Remove one battery cable and attach the meter in series between the battery cable and battery post. Take the jumper wire and also attach it the same way. Leave the jumper wire on for at least 10 minutes to expire all the automatic timers. Now remove the jumper wire and read the meter. Anything over 50ma is too much draw. The way you locate this is to start removing fuses one at a time until the meter drops to normal level. This will be the circuit with something staying on. Determine what components are part of that circuit and check them individually until the problem is isolated.
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Friday, April 29th, 2011 AT 6:41 PM
Tiny
JULIUSHOUS
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I appreciate it, Im gonna have to buy that device and see if I can work things out.I will keep your name in my system to give you credit if everything works out right.
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Friday, April 29th, 2011 AT 6:54 PM
Tiny
WRENCHTECH
  • MECHANIC
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There is no credit to give. We just do this voluntarily to help people.
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Friday, April 29th, 2011 AT 6:57 PM
Tiny
JULIUSHOUS
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You're outstanding!
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Friday, April 29th, 2011 AT 7:13 PM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
2 weeks thats a slow battery draw. Check the glove box light and visor lights and trunk light for proper oper. Something is on
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Friday, April 29th, 2011 AT 10:08 PM
Tiny
JULIUSHOUS
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I appreciate that!
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Saturday, April 30th, 2011 AT 12:38 AM
Tiny
WRENCHTECH
  • MECHANIC
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The method I gave you will find all causes of parasitic draw.
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Saturday, April 30th, 2011 AT 1:11 AM

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