and Performance Parts and Accessories
QW922 - 1989-90 4.3L Spark Plug Wires
Spark plug wires are a major component in the vehicles ignition system.
Electrical failure can be greatly hastened by loose connections at the ignition coil(s), distributor or spark plugs causing telltale corrosion at connectors. Over time this loosening can develop from quality variations in the wires themselves or through normal engine vibration.
Other causes include retainer failure, fluid leakage onto the wires causing the wires to swell and soften, or even poor original routing (too close to exhaust components or …
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