Battery drains if not started for a day, chirping sound inside of car

Tiny
JAMES NASH
  • MEMBER
  • 2007 BUICK RENDEZVOUS
  • 2.6L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 166,000 MILES
Chirping sound, after a day not starting car will not start battery dead. Replaced battery, back trunk will not open accept with remote, all other doors wont open with remote. Replaced battery with new one old one checked out okay.
Wednesday, January 2nd, 2019 AT 10:20 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

If it drains after one day, you have a parasitic draw that is draining the battery.

I will attach a guide for you to check for the drain. you will need a voltmeter that will read amperage or current flow.

https://www.2carpros.com/articles/car-battery-dead-overnight

Roy
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Thursday, January 3rd, 2019 AT 5:10 AM

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