C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
Spark Plug Wire Length V8
The following are the 2 different lengths of spark plug wire.
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Melco (1), square design-Uses a spark plug wire that is 145 mm length cable seal to cable seal.
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Delphi (2), round design-Uses a spark plug wire that is 110 mm length cable seal to cable seal.
The ignition coil wires must match the appropriate coil type.
The spark plugs are connected to their respective coils by a short secondary wire. The plugs are tipped with platinum for long wear and higher efficiency.