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Electrical/Circuits?

Tiny
NICOLE JADE WECHTER
  • MEMBER
  • 2001 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 170,000 MILES
While testing my fuses using a logic probe (test light which has 2 alligator clamps which connect to both positive and ground), I'm getting a ground reading (green light instead of red) on several of my fuses. The fuses are for brake lamps, parking lamps, headlamps, O2 Sensors, injector circuit, ign, and others I can't recall. Is that normal?
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Sunday, February 19th, 2023 AT 7:20 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,909 POSTS
Yes, this is normal, the tool with show a ground to the system is not activated because the system is connected to ground when the power is not on. Let me know if you have any other questions, use 2CarPros anytime.
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Sunday, February 19th, 2023 AT 11:32 AM
Tiny
NICOLE JADE WECHTER
  • MEMBER
  • 4 POSTS
Much appreciated! I was mostly sure this was the case, but I wanted to be certain!
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Sunday, February 19th, 2023 AT 2:12 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,909 POSTS
Yep, we are here if you need us, please have a nice day.
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Monday, February 20th, 2023 AT 12:47 PM

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