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1991 Chevrolet Lumina ect wiring

Tiny
MIKE LUCKEY
  • MEMBER
  • 1991 CHEVROLET LUMINA
  • 3.1L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 161,000 MILES
I would like to test the wiring for my ect sensor. Can anyone tell me which wire is the signal and which is the ground.
Sunday, March 8th, 2015 AT 8:35 AM

2 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
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Sunday, March 8th, 2015 AT 9:39 AM
Tiny
MIKE LUCKEY
  • MEMBER
  • 38 POSTS
Thank you!
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Sunday, March 8th, 2015 AT 10:12 AM

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