When buying spark plug wires for my 2001 Suburban (1500, 4X2), I was asked which type of induction coils are there? Apparently there are two types, each requiring a different set of wires. How do I get that information? I have looked at the coils closely but could not discern any lables or ID. Thanks for your help.
Ignition coils
Jul 14, 2004
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