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Accessory fuse blowing/battery draining

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Old Nov 1, 2004 | 12:14 AM
  #1  
RSFreak's Avatar
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From: Renton, WA
Car: 1985 Camaro, 1986 Trans Am
Engine: 5.0L carbed and 5.0L TPI
Transmission: TH700R4
Axle/Gears: 3.23 and 3.27 posi
Accessory fuse blowing/battery draining

My accessory fuse blows imediately upon insertion into the fuse block. Also, my battery drains after the car has been sitting for a few hours. I disconected all of my stereo equipment to no avail. Where should I begin my search for the power drain/grounding problem or whatever I have?
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Old Nov 1, 2004 | 01:10 PM
  #2  
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From: Worcester, MA
Car: 86 T/A
Engine: HSR 355
Transmission: 700R4
Axle/Gears: 2.77 posi
There are two sides to the fuse socket, from the battery and to the rest of the car. Measure the side going to the rest of the car for resistance to ground. If its a few ohms or less, then it is probably a shorted wire. Try finding what runs on that circuit and slowly disconnect each one. I had to do this once and it was awful but gets the job done.
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Old Nov 1, 2004 | 03:12 PM
  #3  
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From: Renton, WA
Car: 1985 Camaro, 1986 Trans Am
Engine: 5.0L carbed and 5.0L TPI
Transmission: TH700R4
Axle/Gears: 3.23 and 3.27 posi
From what I could find through searches, not many things use the accessory circuit. I already disconnected the stereo. I guess I'll start removing things and see if I can't trace the problem.
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Old Nov 3, 2004 | 10:50 AM
  #4  
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From: Tucson, AZ
Car: 1991 Z-28
Engine: Can you say stroke?!?!
Transmission: 700-r4
Axle/Gears: 3.42
Check the lighter. If it's messed up inside it will blow a fuse every single time. I had the same problem until I figured out that's what the problem was.
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Old Nov 3, 2004 | 11:53 AM
  #5  
Trickster's Avatar
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Originally posted by RSFreak
From what I could find through searches, not many things use the accessory circuit. I already disconnected the stereo. I guess I'll start removing things and see if I can't trace the problem.
You would be surprised at the number of things that are affected by the ACC circuit either directly or indirectly.
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Old Nov 3, 2004 | 05:33 PM
  #6  
RSFreak's Avatar
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From: Renton, WA
Car: 1985 Camaro, 1986 Trans Am
Engine: 5.0L carbed and 5.0L TPI
Transmission: TH700R4
Axle/Gears: 3.23 and 3.27 posi
Originally posted by CraZ-28
Check the lighter. If it's messed up inside it will blow a fuse every single time. I had the same problem until I figured out that's what the problem was.
Yup, thats what it was! Old rusty lighter grounding out. I disconnected the lighter and the fuse doesn't blow now. My battery still won't hold a charge though.
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Old Nov 5, 2004 | 11:41 AM
  #7  
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From: Tucson, AZ
Car: 1991 Z-28
Engine: Can you say stroke?!?!
Transmission: 700-r4
Axle/Gears: 3.42
Awsome, at least you found the problem, now the only thing left is getting the battery replaced.
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Old Nov 5, 2004 | 10:57 PM
  #8  
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From: Renton, WA
Car: 1985 Camaro, 1986 Trans Am
Engine: 5.0L carbed and 5.0L TPI
Transmission: TH700R4
Axle/Gears: 3.23 and 3.27 posi
Yeah, thanks for the suggestion. After doing a search, it seems that the lighter causes lots of electrical problems!
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