1995 SLS questions on codes
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Northstar Engines and System Technical Discussion Discussion, 1995 SLS questions on codes in Cadillac Engine Technical Discussion; Whos got quick answers to my quick ?'s -diagnostic code p024 & p025?-...
  1. #1
    jesseothon is offline Cadillac Owners Member
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    1995 SLS questions on codes

    Whos got quick answers to my quick ?'s
    -diagnostic code p024 & p025?-

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    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: 95 caddi seville sls q&a's

    "Other engines" is the wrong forum. Your engine is a 4.6 Northstar and your car is a 1995 SLS. Moved to Northstar.

    Study the sticky post just above this one - "How to pull codes" - and use the link to the Master Index of OBD-1 codes - all the definitions are in there.

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    jesseothon is offline Cadillac Owners Member
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    Thnks, that link came in very helpfull

    ----------

    Nxt ?.
    Location & difficulty of changing ignition control module?

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    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: 1995 SLS questions on codes

    Use www.rockauto.com and www.gmpartsgiant.com for parts lookup and parts diagrams. For real GM parts talk to Chris in parts at Rippy cadillac over there >>> or up in Vendors ^^^

    The ICM is the 4-coil base mounting "plate". it tends to crack and cause a misfire - junkyard. Always clean the coil base contacts and the electrical connectors with electronics cleaner spray and make sure the ICM ground cable terminals are clean and tight. Use this to get the plug wires on the correct coil terminals and plugs.

    Subscribe the car to www.alldatadiy.com and/or get GM service manuals from eBay or www.helminc.com. You WILL need the manuals, and Haynes or Chilton are far, far too generic.

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    Ranger's Avatar
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    Re: 1995 SLS questions on codes

    Quote Originally Posted by jesseothon View Post
    Location & difficulty of changing ignition control module?
    It's on the rear cam cover. 4 coils (visible in the picture below) are mounted on it . Unplug the 4 electrical plugs (2 on each side). Remove the mounting bolts. One is hidden on the back side and uses the Braille method. Lift it off and set it aside with the coils and plug wires still attached. Mount the new one and then swap the coils (plug wires still attached) to the new ICM in the same positions. Reinstall the 4 electrical connectors. It's that easy.


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