91 Fleetwood injector impedence?

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HT4100 4.1, 4.5, 4.9 Discussion, 91 Fleetwood injector impedence? in Cadillac Engine Discussion; Any of you know what it should be? I cant find it in the service manual. Thanks,FatCat...
  1. #1
    FatCat is offline Cadillac Owners Member
    Automobile(s): 1991 Fleetwood Sixty Special
    Join Date
    Oct 2006

    91 Fleetwood injector impedence?

    Any of you know what it should be? I cant find it in the service manual.


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  3. #2
    HUF's Avatar
    HUF is offline Cadillac Owners Connoisseur
    Automobile(s): 1995 FWB 100,*** miles CURRENT. 1991 Seville 175,000 SOLD
    Join Date
    Dec 2005

    Re: 91 Fleetwood injector impedence?

    As far as I remember it is about 15 ohm. It was easier to measure rather at the connectors than directly at injectors. There are two connectors . Each of them serves four injectors. Add an Ohm or two for wires.

  4. #3
    NickySantoro is offline Cadillac Owners Fanatic
    Automobile(s): 1993 Eldo 4.9 66K miles
    Join Date
    Nov 2005
    Nazi Jerky, libtard central

    Re: 91 Fleetwood injector impedence?

    Quote Originally Posted by FatCat View Post
    Any of you know what it should be? I cant find it in the service manual.

    The range is 12 to 20 ohms, the ideal being 16.

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