91 Fleetwood injector impedence?
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HT4100 4.1, 4.5, 4.9 Discussion, 91 Fleetwood injector impedence? in Cadillac Engine Technical 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
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    91 Fleetwood injector impedence?

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

    Thanks,FatCat

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    HUF's Avatar
    HUF
    HUF is offline Cadillac Owners Connoisseur
    Automobile(s): 1995 FWB 100,*** miles CURRENT. 1991 Seville 175,000 SOLD
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    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
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    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.

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

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