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1996 Chevy Suburban battery draw

Tiny
DRSCOOT
  • MEMBER
  • 1996 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
  • 127,000 MILES
With the stereo off/no keys in ignition and a volt meter between battery and terminal there is between 7 and 8 volts draw that when I pull the # 19 fuse stereo batt out the voltage goes down to.5 volts. Does this mean the stereo is bad.
Monday, July 13th, 2009 AT 8:50 PM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

I will locate a wiring schematic and see if there is anything else that is on the circuit, what is the amp draw with the fuse in? Place an Amp meter between bat pos & the terminal and see what the amp draw is with & with out the fuse.

Mark (mhpautos)
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Monday, July 13th, 2009 AT 11:40 PM
Tiny
DRSCOOT
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  • 2 POSTS
I will do that tomorrow after work and let you know. I am going to replace the battery tomorrow to as it load tested bad today after being drained and recharged 50 times. Thanks
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Tuesday, July 14th, 2009 AT 12:44 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
HI there,

It appears that the fuse 19 is the direct supply to the radio (orange wire) I feel that the radio is your problem.

Mark (mhpautos)
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Tuesday, July 14th, 2009 AT 5:18 AM

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