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  1. Dukedog

    2000 merc 200 EFI no start/no fuel pump

    thats good... run it till it quits again and keep some black and purple wire handy.... or jus black maybe since tha red is constant...but tha only problem with that is tha red is constant power no mater if tha key is on or off.............
  2. Dukedog

    2000 merc 200 EFI no start/no fuel pump

    JAN: your serial number is "zero" 0t143331... not an O... it won't show up anywhere with an "O"......
  3. Dukedog

    2000 merc 200 EFI no start/no fuel pump

    ecu pump driver circuit is done... you can run it this way if ya want.. disconnect both pos and neg from pump and tape 'em up.. take a regular ground from anywhere on tha block to tha neg on tha pump.. find a "purple" anywhere on tha motor.. splice into it and go to tha positive on tha pump...
  4. Dukedog

    Mouse chewed through power trim cable

    "solder" and heat shrink
  5. Dukedog

    Mercury BlackMax 175Hp, difficult staring, and then bogging down.

    pretty sure tha blocks are of different castings.... porting is way different plus tha 2.0 in first original casting is with tha sleeves in it.. thats one of tha reasons they are so tough.. has "99.9%" fewer interface problems....
  6. Dukedog

    Mercury BlackMax 175Hp, difficult staring, and then bogging down.

    All 2.4 175's were chrome... used tha 200 block half.. thats why they ran really good... "most" could stay with any 200.. tha horizontal front on tha 200 made a slight difference with top end.
  7. Dukedog

    Mercury BlackMax 175Hp, difficult staring, and then bogging down.

    looks ta be an '88 or very early '89 at best........ '89 went ta bucket cowls.. look here for a date stamp on tha block... probably won't be as clear as this one but is in tha same general area.. behind tha "bend" in tha timin' arm...
  8. Dukedog

    Mercury Alarm Codes…

    are you goin' ta pre-mix?.. tha only "alarms" that merc has is oiler and over heat... oiler will be oscillating beeps (unless module goes south) and over heat is a constant beep... so why do you want to "disconnect" oiler warning?
  9. Dukedog

    What Is everybody using for spark plugs

    tha HW's will be fine..... Tha X is really for high compression and high output ign. system
  10. Dukedog

    1990 Mercury 2.4 175 - water diverters

    (y)
  11. Dukedog

    1990 Mercury 2.4 175 - water diverters

    https://www.screamandfly.com/attachment.php?attachmentid=506494&d=1644074272 blow it up and you can see tha 4 large dots that are NOT labled... tha dia is for tha 280 but tha diverters are tha same....
  12. Dukedog

    Quite alarm going off 175 Blackman v6

    (y)
  13. Dukedog

    Mariner Idle Stabilizer - Spark Advanced Module

    naw.. jus chunk it... its supposed ta keep tha motor from dyin'/bring it back ta normal idle if ya chop tha throttle instantly.. ya might wanna check timin' (mainly wfo) if ya do get rid of it...
  14. Dukedog

    Quite alarm going off 175 Blackman v6

    also.. do you get tha three self check beeps at key turn on?.. if not thats an indicator of faulty module also...
  15. Dukedog

    Quite alarm going off 175 Blackman v6

    any kinda "constant" alarm at key turn on, motor not started its more than likely tha oiler control module.. you can disconnect tha purple goin' ta tha module and it should stop... that module's soul purpose is ta make any kinda signal it receives "ossilate".. if its comin' on constant instantly...
  16. Dukedog

    Mecury BlackMax 175Hp, Constant Beep and Overheating

    an "instant" beeeeeeeep is usually a bad oiler module... disconnect tha purple feeding tha oiler module or disconnect tha tan coming from tha oiler module at tha small term block on tha starboard side.... or both.
  17. Dukedog

    Mecury BlackMax 175Hp, Constant Beep and Overheating

    this pretty much tells ya its a pressure issue between tha pump and tha block.. when you had tha pump apart did you look into tha void under tha pump where tha intakes are?.. are you positive that tha plastic "guide tube" is doin' its job with tha copper tube alignment?.. was there a rubber...
  18. Dukedog

    Mecury BlackMax 175Hp, Constant Beep and Overheating

    99.9% of all production 2.0, 2.4 and 2.5's have 143* stats.. they all work tha same.. you say you are goin' by "feel".. thats no wanno. 140+ degrees is pretty warm.. you can get yourself a cheap heat temp gun to get real time reading on tha motor.... are you getting a constant...
  19. Dukedog

    Mecury BlackMax 175Hp, Constant Beep and Overheating

    did you do tha complete water pump kit or jus tha impeller?.. if it works with a direct hose and not with tha gear case pump then it sounds like a supply problem???... how hot is "hot"?.. does it alarm?.. need a pressure gauge.. makes life easier.
  20. Dukedog

    98 Mercury 150 XR6

    i can't recall ever tryin' any 'lectric part that was outta spec... if it was not up ta spec it went in tha trash bucket instantly... thats tha way shops get **** screwed up...
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