Cam sensor 4.9
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HT4100 4.1, 4.5, 4.9 Discussion, Cam sensor 4.9 in Cadillac Engine Technical Discussion; OKAY. Here is a pic of the cam sensor. Can someone please tell me, from left to right, Pin 1, ...
  1. #1
    386 DeVille is offline Cadillac Owners Fanatic
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    Cam sensor 4.9

    OKAY. Here is a pic of the cam sensor. Can someone please tell me, from left to right, Pin 1, Pin 2, Pin 3 - what each one of these pins is for or what color wire goes to them PLEASE!


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    caddydaddy's Avatar
    caddydaddy is offline Cadillac Owners Connoisseur
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    Re: Cam sensor 4.9

    Your picture didn't go through. The cam sensor has a plastic connector that only goes on one way. I'm confused at what you're trying to do!

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    386 DeVille is offline Cadillac Owners Fanatic
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    Re: Cam sensor 4.9

    That connector is no more. I have three loose wires hence I need to know the order...if the pic aint there then imagine looking at the distributor in the car and tell me left to right.

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    NickySantoro is offline Cadillac Owners Fanatic
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    Re: Cam sensor 4.9

    Looking at the picture, left to right, red, brown w/ white stripe, black (blue?) w/ red stripe.

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    386 DeVille is offline Cadillac Owners Fanatic
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    Re: Cam sensor 4.9

    Yes youre correct, ive finally come across another picture that showed the wiring. So now my question is, if it was hooked up with the PCM lead (brn/wht) plugged into where the 12V (pink) was SUPPOSED to go, the ground (blk/red) plugged into where the PCM lead (brn/wht) was SUPPOSED to go and the 12v (pink) plugged into where the ground (blk/red) was SUPPOSED to go....and it was driven like this for quite some time... would that have fried the cam sensor??

  7. #6
    NickySantoro is offline Cadillac Owners Fanatic
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    Re: Cam sensor 4.9

    Yes, I know I'm correct and you're welcome. I went out and dug through the parts box before I went to work to find the old wiring harness so I could help you out. I didn't work from a picture, I had the parts on the desk in front of me.
    As far as frying the Hall Effect switch, it wouldn't surprise me if it could. I assume you are asking because, even with the wiring connected correctly, it is still exhibiting problems?
    I have a couple of scans of the diagnostic for the switch from the Chilton manual, too large to post here, that I can email if you advise the address.

  8. #7
    386 DeVille is offline Cadillac Owners Fanatic
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    Re: Cam sensor 4.9

    No I have the diagnostics per Haynes and FSM. I just don't have a multimeter.

  9. #8
    NickySantoro is offline Cadillac Owners Fanatic
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    Re: Cam sensor 4.9

    You can get an inexpensive but serviceable digital MM at Sears or Home Depot for about $20. A DMM is really a "must have" item for your toolbox.

  10. #9
    Tony_Hanna is offline Cadillac Owners Member
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    Re: Cam sensor 4.9

    Quote Originally Posted by NickySantoro View Post
    You can get an inexpensive but serviceable digital MM at Sears or Home Depot for about $20. A DMM is really a "must have" item for your toolbox.
    Right, and if you're lucky enough to have a Harbor Freight store nearby, you can get a REALLY inexpensive DVOM for $2.99.
    http://www.harborfreight.com/cpi/cta...emnumber=90899
    Yeah, I know it's cheap, but they work, and my tools have a habit of growing legs and wandering off. If I buy 4 or 5 of those at a time there's a better chance of being able to find one when I need it.
    Tony

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