Alternator replacement

Tiny
CHEVYVANANT
  • MEMBER
  • 1984 CHEVROLET VAN
  • 5.0L
  • V8
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
Changing alternator, have battery completely disconnected. Tester light reveals power is coming from wires that connect to alternator. Not understanding where this power is coming from.
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Wednesday, April 3rd, 2019 AT 2:08 PM

3 Replies

Tiny
ASEMASTER6371
  • EXPERT
Good afternoon,

Which wire has power? There are three wires. One from the battery, one from the cluster and one from the ignition.

There should be no voltage anywhere with both cables off the battery.

Roy
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Wednesday, April 3rd, 2019 AT 3:18 PM
Tiny
CHEVYVANANT
  • MEMBER
Thanks for your response. Identified problem. It was an ironic mistake on our part. Had a couple solar chargers/jump start panels hooked up through cigarette lighter power lines and forgot about them. Duh! Anyway, they were keeping power going to the alternator lines. So, thanks again for your response.
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Thursday, April 4th, 2019 AT 6:28 PM
Tiny
ASEMASTER6371
  • EXPERT
You are welcome.

Always glad to help.

Roy
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Thursday, April 4th, 2019 AT 6:47 PM

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