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what the heck is this?

Discussion in 'The Garage' started by 1983Blazerkid, Jan 22, 2007.

  1. 1983Blazerkid

    1983Blazerkid Registered Member

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    brownsburg, in
    looks to be like some kind of computer its got me. figured somebody on here would know. its out of my 1983 k5 305



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  2. Jishory

    Jishory 1/2 ton status

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    open your glove compartment all the way by bending it a little to get it past the dash, is there a place in there for it? yes its a trucks computer
     
  3. 1983Blazerkid

    1983Blazerkid Registered Member

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    any idea on what it controls? hooks to ect? thanks cody:confused:
     
  4. dyeager535

    dyeager535 1 ton status Premium Member

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    That's ESC/EST computer. On your '83 it likely only controls spark retard IF knock is detected. If you have vacuum advance on the distributor, that's all it does. If you DON'T have vacuum advance, it controls ALL your timing, but that's it. It is not an ECM that controls a carb.
     

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