One or More Rear Lights May Not Work on GMC Savana 3500

The tail light wiring harness in the cargo area is not protected very well. As a result it may become damaged due to normal wear a tear. This damage can causing some or all of the rear lights to stop working.

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Average mileage: 76,208 (22,000–147,000)
15 model years affected: 1996, 1997, 1998, 1999, more2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
21 people reported this problem
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problem details
2006 GMC Savana 3500 147,000 mi,
passenger tail light doesn't work even after replacing light and plug.
2007 GMC Savana 3500 56,000 mi,
tail lights not working
2004 GMC Savana 3500 79,832 mi,
None of my reverse lights work I've changed fuses bulbs realys And nothing
My rear lights wire burned and had to be replaced. It also has wires out running from the lights to the floor paneling
Has this problem on a 1998 & on a 2002 Savana 3500. The tail lights and or break lights would not light up completely. Have noticed this on a large number of GMC/Chevy vans.