1992 Chevy Suburban battery wont charge

300,000 MILES • V8 • 4WD • AUTOMATIC
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HERBERT100
  • MEMBER
  • 1 POST
good alt. good bat. starts truck runs good use heater,lights,etc. battery drains truck dies?
Feb 27, 2010 at 11:24 AM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

You will need to have a procedure called a current draw test done, this will check for any excessive current draw with the ignition turned off, you may have a stuck relay or faulty switch drawing down on the battery over night.

mark (mhpautos)
Feb 27, 2010 at 11:33 AM
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