Jonsflooring Posted September 24, 2008 Report Share Posted September 24, 2008 hi im looking for the vss wire for my 00 sierra 5.3 V8 and where should i connect the back tail light wire please help ty... Quote Link to post Share on other sites
jimmy303 Posted September 25, 2008 Report Share Posted September 25, 2008 VSS is a dark green wire with a white stripe, at the ECM.ECM is located near the battery, down low, between the fender and the fan under the black plastic cover. On the 4.3L, the VSS wire is at pin 3 in the connector labeled black. On the 4.8L, 5.3L, and 6.0L, the VSS wire is located in pin 50 of the red connector. Reverse is most likely a light green wire in the harness inside the driver's frame rail running towards the rear of the truck Quote Link to post Share on other sites
jimmy303 Posted November 6, 2008 Report Share Posted November 6, 2008 Easier location - on top of the instrument cluster, dark green with a white stripe, there are a couple, so test with a multimeter(and an assistant). Quote Link to post Share on other sites
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