Overview Reviews Product Description Turbolamik TCU wiring harness to work with the ZF 8HP70 8 speed gearbox. Product Videos Custom Field Product Reviews Write a Review Write a Review × TURBOLAMIK TURBOLAMIK TCU 8HP WIRING LOOM Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *