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Location of pins four and five ground

Tiny
CHEVYBOY6991
  • MEMBER
  • 2005 CHEVROLET SILVERADO
  • 6.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 205,000 MILES
I went to scan an engine light with the scanner. Once I realized I was not getting any power I started to check the pins for power, ground. Once I checked for ground and signal ground on pins four and five no ground. Where can I locate the grounds. Also, cigarette lighter fuse is good.
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Sunday, January 29th, 2017 AT 2:18 PM

3 Replies

Tiny
STEVE W.
  • MECHANIC
  • 12,994 POSTS
Pin four ground (black wire) goes to the A-pillar at G200. Pin five ground (black wire with white) Goes up to the fuse panel at the end of the dash and then to a stud on the A-Pillar at the end of the dash. You might want to check your meter first because it is not very likely that you will lose both grounds.
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Sunday, January 29th, 2017 AT 4:42 PM
Tiny
CHEVYBOY6991
  • MEMBER
  • 2 POSTS
Thanks, I will have to check that. Someone's been in it before. I also have no ground on the trailer brake five point hook up. Not sure if it is connected. Chasing tails?
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Sunday, January 29th, 2017 AT 5:25 PM
Tiny
STEVE W.
  • MECHANIC
  • 12,994 POSTS
The trailer ground is under the tail of the truck. Either at the gas tank or on the rear spare lift mount.
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Sunday, January 29th, 2017 AT 5:39 PM

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