G 3500 1 Ton Van V8-454 7.4L (1989)
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[99] Driveability correction for heavy chuggle. REQUIRES KIT P/N 25522748 CONTAINING: WIRING HARNESS JUMPER P/N 12043500,
RELAY P/N 25522747, FOAM P/N 25522723, EGR P/N 17079799.
[100] Cold startability adjustment. REQUIRES SUPPLEMENTARY TUNE-UP LABEL, SPARK BYPASS RELAY KIT P/N 14086983, SPARK
PLUGS P/N 5614009, SUN VISOR STARTING LABEL P/N 14085150. ALSO, REMOVE AND DISCARD FUSE LABELED "CRANK"
FROM FUSE BLK #2 POSITION (3 AMP. FUSE).