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  1. #1
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    Default Chassis harness and SAM module removal

    Hi guy's
    While installing a cage in my 91' it was decided to replace the OME dash with a custom AL unit with all new gauges, ign switch and toggles. In doing so I cut out a lot of non essentials including the SAM unit and now I cant get the motor to run. It fires up but dies right away. I think, it has something to do with the SAM. Possible a signal to the auto shut down relay? Has any one done this mod before and how did you by pass the SAM module? I've been staring at my OME wiring diagrams for days now and have tried a few things but I'm failing miserably...HELP!

  2. #2
    Join Date
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    Default Re: Chassis harness and SAM module removal

    SAM module?
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  3. #3
    Join Date
    Aug 2009
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    Asheville, NC
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    Default Re: Chassis harness and SAM module removal

    Quote Originally Posted by 4.3LXJ View Post
    SAM module?
    Guessing he's talking about the Body Control Module... I know some European companies (well at least Mercedes) call them SAM modules (not real sure what SAM stands for on them though).. So I assume that is the module he's referring too..
    FORMER GREEN XJ CLUB MEMBER
    IF YOU DON'T STAND BEHIND OUR TROOPS, FEEL FREE TO STAND IN FRONT OF THEM!!
    DOING SOMETHING JUST BECAUSE YOUR BUDDY DOES IT THAT WAY MAKES AS MUCH SENSE AS SHARING TOOTHBRUSHES

  4. #4
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    Default Re: Chassis harness and SAM module removal

    Its in the OEM shop manuals as the Security Alarm Module, or SAM for short. It's the OEM alarm system that interfaces with just about all the electronics. For instance, when its triggered it flashes the lights, honks the horn, triggers an engine shut down somehow. Most XJ's will have them. Its under the dash to the right of the steering column.

  5. #5
    Join Date
    Sep 2009
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    Default Re: Chassis harness and SAM module removal

    And you have removed it? Have you wired directly to the ASD from the ignition switch?
    230 hp 4.3L Chevy
    Built 4L60E with manual lockout
    Atlas 4 speed
    Griffin radiator
    On board air
    Warn 9.5ti on custom bumper
    7.5" RE front and bastard pack rear on custom long arms
    30 gal gas tank
    lockers
    And a bunch of other stuff

  6. #6
    Join Date
    Apr 2016
    Location
    San Diego
    Posts
    3
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    0

    Default Re: Chassis harness and SAM module removal

    I have jumped the relay but no go. I will try send power directly to the relay.
    Thanks for the tip

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