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L59 Harness Missing Connectors

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L59 Harness Missing Connectors

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Old

Jan 18, 2020 | 09:51 PM

#1

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Staging Lane

Joined: Nov 2019

Posts: 76

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From: Yorktown, VA

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L59 Harness Missing Connectors

I am not sure which section is the best to post my question. Mods please feel free to move it.

I pulled the wiring harness from a 2005 Suburban, 4WD, L59. There are two missing connectors that I did notice until I removed it from the vehicle. Any chance someone can point tell me which connectors are missing or point me towards the appropriate diagram? I would like to go back to the yard in the morning and source replacement connectors. I would venture a guess that they for O2 sensors or for the transmission.

Last edited by Josh Beverly; Jan 19, 2020 at 09:05 AM.

Old

Jan 19, 2020 | 09:06 AM

#2

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Staging Lane

Joined: Nov 2019

Posts: 76

Likes: 2

From: Yorktown, VA

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I am pretty confident the one with purple, tan, light green, and pink wires is the bank 2, upstream sensor. Still struggling to figure out the other.

Old

Jan 19, 2020 | 10:41 AM

#3

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Staging Lane

Joined: Nov 2019

Posts: 76

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From: Yorktown, VA

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Both bank upstream sensors. The junkyard must have cut the wire and took the O2 sensors and the cats at the same time.

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