3-Fan
03-04-2003, 11:57
Here's a bulliten about the changes between the 2002 and the 2003 trailer wiring harnesses.
https://www.gmupfitter.com/secure/html/publicat/bull/bull57.pdf
https://www.gmupfitter.com/secure/html/publicat/bull/bull57.pdf
View Full Version : 2003 Trialer Wiring Harness