One or More Rear Lights May Not Work on GMC Savana 1500

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: 136,780 (15,000–312,000)
15 model years affected: 1996, 1997, 1998, 1999, more2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
40 people reported this problem
16 people shared problem details
2000 GMC Savana 1500235,000
ALL rear brake lights quit except center lamp at roof. Bulbs are O.K. blinker also do not work
1999 GMC Savana 1500100,000
brake lights on two lower lights no longer work
2006 GMC Savana 1500127,000
Turn signals and stop light intermittent operation still have not determined the problem
1996 GMC Savana 1500180,676
My left rear blinker bulb quit. The yellow wire leading to it from around the ceiling has abraded and grounded it out.
2001 GMC Savana 1500102,369
The driver side rear brake light bulb has to be changed a couple of months. Water gets into the lens compartment and droplets form inside. I can't seem to get the assembly to seal.
2000 GMC Savana 1500150,000
The right backup light stopped working. I disassembled the light fixture and found the socket and bulb had rusted together. The GMC parts man told me it was a common problem and I had to replace the whole wiring harness. I bought a new wiring harness and replaced the old one. Not a simple job but not complicated either.
2006 GMC Savana 1500220,000
My interior lights went out last week now I have no backup lights. Can anyone help
My Left Brake Light was Very Dim (Compared to the Right) And wasn't working sometimes. It would go out. Had the Wiring Harness for Left Brake Light Replaced...Now Works Perfectly.
My 2003 gmc envoy tail lights does not work ,I replace the fuses and they still don't work ,,I don't know if there is a relay for tail light ,,can someone please help
2006 GMC Savana 1500312,000
Rear tail lights and brake lights not working. Turn signal works on outside but not on the inside. Bulbs replaced and it still didn't fix the problem. Still checking into the Tail Light Wiring Harness. This has been a wonderful vehicle and engine still runs great. Sorry to think that an electrical problem could take us out of commission when it still runs so good!
Still not fixed. Have you seen what a harness costs. Ridiculous
1997 GMC Savana 1500110,000
Right taillight failed. Replaced and problem solved, but problem recurred at 175,000 and had to be replaced again.
when i go on reverse my fuse for my rev. n my signal pop
2000 GMC Savana 1500151,000
coroded socket,backlight stopped working
2001 GMC Savana 1500134,792
my tail lights work but any of the vehicles brake light are functional
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