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How To: Find your Vehicle's VSS Wire.


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Looking for the easiest place to connect VSS wire and back-up wire for a 2007 Silverado (new body style). Using an os3-bose adapter, and the wires are not part of the harness as someone else suggested. I would think that both wires would be somewhere in the factory harness.

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I could not find the VSS wire as pointed to in the link I have a 2003 Jeep TJ (It was a great deal of fibreglassing but worth it for the Z2) If someone could let me know where to find this wire I would greatly appreciate it.

Also VSS for 1999 GMC Sierra SLT is it available at the radio harness? It comes equiped with speed controled volume.

 

Thank you in advance for your help.

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2007 Chevy Silverado

 

Speed Sense yellow/black ac ECM, black 73 pin plug, pin 57

Notes: The ECM (Engine Control Module) is on the driver side fender, behind the headlight.

 

Reverse Light dk. blue + BCM, natural plug, pin 22

Notes: The BCM (Body Control Module) is to the left of the steering column.

 

 

2003 Jeep Wrangler (TQCGF J Niner)

 

Speed Sense white/orange PCM, white plug, pin 27

Notes: The PCM is on the passenger side firewall under the hood.

 

Reverse Light purple/black + driver kick, harness to rear

 

1999 GMC Sierra

 

VSS is dark green/white at the radio harness.

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