Express 3500 V8-6.0L VIN U (2004)
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There are 2 different manufacturers for the ignition coils. the Melco(r) (1) (square design), and the Delphi(r) (2) (round design). These 2 coils use
2 different spark plug wire, and mounting brackets.
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Melco(r) (square design) coil mounting bracket (1).
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Delphi(r) (round design) coil mounting bracket (2).
INSTALLATION PROCEDURE