LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Please help me with an electrical problem! QUICK!

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Old Apr 19, 2003 | 04:34 PM
  #1  
twells's Avatar
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Joined: May 2001
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From: Overlandpark, Ks
Lightbulb Please help me with an electrical problem! QUICK!

i just need to know what fuses should be drawing power with the car completly off. i am having something draw down my battery and i am not sure what it is. i used a voltmeter to check all of my fuses and with the car off, i have power to the "abs bat" fuse and the "pcm fuse" should these have constant power?

thanks guys

thomas
Old Apr 19, 2003 | 06:04 PM
  #2  
Laymaster's Avatar
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From: Old Bridge, NJ 08857
I'm pretty sure the PCM fuse should have power...anyway TTT for ya.
Old Apr 19, 2003 | 06:12 PM
  #3  
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From: Orange Kounty, Kalifornia
Check for voltage drop another way. Disconnect the battery positive and connect the voltmeter there set to Amps.

You should be getting milliamps registering. Otherwise something is flowing. A friend will come in handy here. Remove and replace each fuse one at a time. When you see the amps suddenly drop with a specific fuse, you have found the suspect circuit. Then check that circuit and components for good connections and grounds and integrity of the wires (rats like to chew on the insulation).

When you find the suspect circuit let us know and we'll go to the next step.

Good luck.
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