2001 Nissan Xterra Owner's Manual - Page 248
2001 Nissan Xterra Manual
Page 248 highlights
WTI0020 To use the tow harness: 1) Remove the connector cap using a suitable tool from the vehicle harness, located behind the right rear wheel well attached to the frame. Store the connector cap in vehicle glove box for reinstallation. 2) Connect the tow harness so the vehicle harness located behind the right rear wheel well attached to the frame. 3) Route the trailer tow harness so that it does not block access to the spare tire winch socket. LTI0019 TRAILER TOW HARNESS AND MODULE (if so equipped) The trailer tow module on your vehicle allows turn/stop lamp control of a trailer being towed by your NISSAN. The trailer tow module includes: ● trailer tow module which draws power from the vehicle stop lamp fuse ● one subharness containing a SAE J1239 specified connector Technical and consumer information 10-23