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Turned over, killed my battery, tried to jump, no lights come on when key is turned on

Tiny
ROSSPHILLIPS
  • MEMBER
  • 1998 CHEVROLET BLAZER
  • 170,000 MILES
Daughter tried to start. After a couple of crank overs, drained optima red top, tried to jump start - no lights, even on dash, came on nothing happenes when key turned on or start. Relay?
Saturday, September 24th, 2011 AT 4:06 PM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Does the battery have a full charge? Use a digital multimeter across battery posts, everything turned off, the generic spec for a full charge is around 12.6 volts. If the battery is down, you need to get it charged-up, before you can test anything. Check battery connections and charging system. Where applicable, sometimes if battery voltage is lost, the security system can cause an issue?

We can check your ignition circuit, but, if the battery is down, we are just spinning our wheels.
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Saturday, January 30th, 2021 AT 9:29 AM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
If you have no dash lites or nothing after you make sure the battery has a full charge and the connections are good. We can check feed to and from your ignition switch.
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Saturday, January 30th, 2021 AT 9:29 AM

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