666 Weak Spark Revisit

Posted by in-too-deep on September 20, 2016 at 18:11:48 from (208.123.61.197):

I'm sorry I didn't reply. I did go back and read the replies, and thank you old, JD, John T, Steve, Owen, and Geo.

I finally made time to check things this evening in the twilight's last gleaming. Here's what I found:

Battery voltage 12.34v

Battery voltage with ignition on 12.05v

Battery voltage when CRANKING 10.15v

Voltage at coil with key on 3.9v Really scratching my head there. Why only 3.9? Don't I want all 12 or at least 10.15 at the coil?

I have yet to clean ALL my connections per John T, but I will. The battery cables are brand new. Custom made at the dealership. That 10.15v when CRANKING surely isn't helping.

I need to load test the battery before I start buying battery or rebuilding a starter.

Why only 3.9v at coil though?

Thanks!

Replies:

• Re: 666 Weak Spark Revisit fixerupper 15:26:03 09/21/16 (0)
• Re: 666 Weak Spark Revisit Owen Aaland 13:23:30 09/21/16 (0)
• Re: 666 Weak Spark Revisit fixerupper 06:46:25 09/21/16 (3)
  • Re: 666 Weak Spark Revisit John T 07:11:16 09/21/16 (2)
    • Re: 666 Weak Spark Revisit Geo-TH,In 09:38:54 09/21/16 (1)
      • Re: 666 Weak Spark Revisit John T 10:13:23 09/21/16 (0)
• Re: 666 Weak Spark Revisit John T 06:38:07 09/21/16 (2)
  • Re: 666 Weak Spark Revisit Steve@Advance 08:07:09 09/21/16 (1)
    • Re: 666 Weak Spark Revisit John T 09:37:04 09/21/16 (0)
• Re: 666 Weak Spark Revisit Geo-TH,In 04:47:14 09/21/16 (0)
• Re: 666 Weak Spark Revisit ASEguy 04:12:22 09/21/16 (0)
• Re: 666 Weak Spark Revisit fixerupper 20:26:15 09/20/16 (0)
• Re: 666 Weak Spark Revisit old 18:24:54 09/20/16 (0)
• Re: 666 Weak Spark Revisit in-too-deep 18:18:42 09/20/16 (2)
  • Re: 666 Weak Spark Revisit casecollectorsc 04:06:23 09/21/16 (0)
  • Re: 666 Weak Spark Revisit Bob 20:02:23 09/20/16 (0)

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