*** Restricting New Posts to SD Premium Members ONLY *** (09 May 2025)

Just made a new account? Can't post? Click above.

A place to discuss hardware/software and diagnostic procedures

Can 5 volts light an incadesent test light?

  • ubnizmo4
  • ubnizmo4's Avatar Topic Author
  • Offline
  • New Member
  • New Member
More
2 years 5 months ago #61933 by ubnizmo4
Can 5 volts light an incadesent test light? was created by ubnizmo4
What’s the lowest voltage an incandescent test light need to light up? I am using the otc test light btw

Please Log in or Create an account to join the conversation.

  • Noah
  • Noah's Avatar
  • Offline
  • Moderator
  • Moderator
  • Give code definitions with numbers!
More
2 years 4 months ago #61944 by Noah
Replied by Noah on topic Can 5 volts light an incadesent test light?
www.scannerdanner.com/scannerdanner-prem...InRlc3QgbGlnaHQiXQ==

In this video about a Ford F150, Scanner Danner shows a bias voltage on an oxygen sensor circuit dimly illuminating and incandescent test light. So, yes, sometimes 5v will light a test light.
"Ground cannot be checked with a 10mm socket"

Please Log in or Create an account to join the conversation.

  • Chad
  • Chad's Avatar
  • Offline
  • Moderator
  • Moderator
  • I am not a parts changer.
More
2 years 4 months ago #61949 by Chad
Replied by Chad on topic Can 5 volts light an incadesent test light?

What’s the lowest voltage an incandescent test light need to light up? I am using the otc test light btw

This depends on the resistance of the test-light. Not all test-lights have the same resistance.
"Knowledge is a weapon. Arm yourself, well, before going to do battle."
"Understanding a question is half an answer."
I have learned more by being wrong, than I have by being right. :-)

Please Log in or Create an account to join the conversation.

Time to create page: 0.246 seconds