1990 GMC Sierra battery drains while engine is not running

1990 GMC SIERRA
200,000 MILES • V8 • 2WD • AUTOMATIC
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CDREW00012
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i have a multi-meter, where should start trouble shooting, and what are some of the common causes?
Jun 20, 2009 at 2:25 PM
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RASMATAZ
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1990 GMC Sierra battery drains while engine is not running Battery drain test:


https://www.2carpros.com/forum/automotive_pictures/12900_parastic_draw_1_105.jpg

Jun 20, 2009 at 3:26 PM