Overview Reviews Product Description Metra AXTC-LN29 for GM Data Interface With SWC 2006-Up Metra AXTC-LN29 Product Videos Custom Field Product Reviews Write a Review Write a Review × Metra Metra AXTC-LN29 for GM Data Interface With SWC 2006-Up Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *