GM Service Manual Online
For 1990-2009 cars only

Notice: Twisted wire specifications

Notice: These wires will be twisted a minimum of ten (10) turns per foot (31cm) and the diameter shall not exceed 0.6cm as measured anywhere between the connectors. The wires will not be twisted for a distance of 10cm (3.9in) maximum from each connector. Whenever repairing these wires the above specified tolerances must be followed to ensure proper circuit operation.