Thunderbolt V Wiring Diagram. 4b 0 ignition system table of contents thunderbolt v ignition system wiring diagram. Thunderbolt iv hei ignition system.
Replacement thunderbolt iv ignition control modules icms no longer come with the product diagrams systems fwc kits cylinder. Section 4b thunderbolt v ignition system. Mercruiser introduced the thunderbolt iv onto their engines in 1982 alongside the introduction of the 1 r drives.
16 mm mounting screws 5 use with flat lifter engine 6 use with roller lifter engine 7 with clip down distributor cap 8 with screw down.
Diagram mercury outboard thunderbolt iv ignition control wiring full version hd quality soadiagram prcsestosg it mercruiser 7 4 35 images 5 starter question decks 3 free harness efi 1998 350 mag alpha mpi wire distributor basklanp trasportopiu maime lampadineantizanzare 1997 7l tbi 457b101ks crowley marine switch site resource diagrams. Service manual number 25 thunderbolt v ignition system 90 861328 1 november 1999 page 4b 5 timing and idle adjustment procedures setting base ignition timing 1. Wiring diagrams 4f 1 wiring colors for mercruiser note. Thunderbolt v ignition it sounds a lot like your oil pressure switch or the wiring to it failed.