Where is PCM, MAF sensor ground terminated (seville SLS 96)
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Where is PCM, MAF sensor ground terminated (seville SLS 96) in Past Cadillac Vehicle Discussion; I read from online database that ground for MAF sensor, Oil level sensor, and Oil pressure switch, and PCM is ...
  1. #1
    john19999 is offline Cadillac Owners Fanatic
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    Where is PCM, MAF sensor ground terminated (seville SLS 96)

    I read from online database that ground for MAF sensor, Oil level sensor, and Oil pressure switch, and PCM is common (it is terminated at G117). Does anyone know where is this ground terminated. I think corrosion may be an issue for my seville sls 96 since I have issues with both Oil pressure switch and Oil level sensor and lean condition (so far could not find out the vacuum leak). I will appreciate the location of this ground and connector.

    Thanks
    John

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    Caddyshack100 is offline Cadillac Owners Connoisseur
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    Re: Where is PCM, MAF sensor ground terminated (seville SLS 96)

    John, I believe you are looking for G101 and G102 which are located in the engine bay, the PCM grounds to 102, these are little black boxes which attach to a frame rail and have about 8 wires coming out of them.

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    john19999 is offline Cadillac Owners Fanatic
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    Re: Where is PCM, MAF sensor ground terminated (seville SLS 96)

    In fact the some online database is showing G117 for seville SLS 96 for PCM as well as for MAF. Does anyone has facory service manual for sevillle SLS. I will appreciate info as where G117 is connected.

    Thanks
    John

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    2000CadillacSTS is offline Banned
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    Re: Where is PCM, MAF sensor ground terminated (seville SLS 96)

    Quote Originally Posted by Caddyshack100 View Post
    John, I believe you are looking for G101 and G102 which are located in the engine bay, the PCM grounds to 102, these are little black boxes which attach to a frame rail and have about 8 wires coming out of them.
    Also, dont just pay attention and address the corrosion where the black box connects to the chassis. They also get extremely corroded inside. You are better off to clip the wires from them and connect them to the frame yourself. These black boxes have been found to be a common electrical problem on these cars.

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    00 Deville's Avatar
    00 Deville is offline Cadillac Owners Connoisseur
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    Re: Where is PCM, MAF sensor ground terminated (seville SLS 96)

    John, I don't know what online database you are looking at but it's wrong if your 96 is powered by a N* engine. Per the 96 SLS FSM.... CaddyShack is correct G102 is the grounding point for both the PCM and MAF sensor on a N* engine.

    According to the FSM G102 is located...
    "Lower right hand rear of the engine, near the power steering rack"

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